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Fitness App Pricing 2026: Is Hevy Free, What Fitbod Costs, and the Real Price of All 6
Training & Performance ·

Fitness App Pricing 2026: Is Hevy Free, What Fitbod Costs, and the Real Price of All 6

Verified September 2026: Hevy Pro $23.99/yr, Strong Pro $29.99/yr, Jefit Elite $69.99/yr, SensAI $69.99/yr, Fitbod $95.99/yr, Freeletics $94.99/yr. Which free tiers are real products, which are countdowns, and what each app actually costs you.

SensAI Team

20 min read

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Three of the six major workout apps are genuinely free forever. Three are not. That single split matters more than any sticker price on this page.

Hevy, Strong, and Jefit run permanent free tiers you can train on indefinitely.123 Fitbod, Freeletics, and SensAI do not — they are pay-to-use products with different on-ramps.456 Everything else here is detail.

Every number below was re-verified on 8 September 2026 against the vendor’s own pricing page, help centre, or App Store listing. Where a vendor doesn’t publish a figure, this page says so instead of guessing.

The 2026 Price Table: All Six Apps

AppMonthlyAnnualLifetimePermanent free tierFree trial
Hevy Pro$2.991$23.991$74.991Yes (capped)None published1
Strong Pro$4.992$29.992$99.992Yes (capped)None published2
Jefit Elite$12.993$69.993Yes (ad-supported)None published3
SensAI$6.996$69.996No7 days, no card6
Fitbod$15.994$95.994Promo-only7No7 days, card required8
FreeleticsNo monthly SKU5$94.995$549.995Demo-gradeNone — 14-day refund9

Four wrinkles the sticker prices hide:

  • Strong sells a $19.99 six-month plan between the monthly and annual tiers, and its App Store listing runs discounted variants at $23.99 annual and $79.99 lifetime alongside the standard $29.99 and $99.99.2
  • Hevy lists a second monthly SKU at $3.99 next to the $2.99 one.1 It discounts the first year of an annual subscription by 50% for first-time subscribers a few times a year, and states that lifetime subscriptions are never discounted.10
  • Jefit shows $52.49 for a first annual year against a $69.99 list price.3
  • Freeletics was running lifetime at $274.99 against a $549.99 list on the day this page was checked, via a campaign voucher rather than a repriced product — treat $549.99 as the durable number.5

Regional pricing is normal across the whole category. Every figure here is the standard US rate; check the in-app checkout before you commit.

Is Hevy Free? Is Fitbod?

Hevy is free forever with caps; Fitbod is not free at all. Those are the two most-asked questions in this category and they have opposite answers.

AppIs there a free version?What you actually get
HevyYes, permanentlyUnlimited workout logging, 4 routines, 7 custom exercises, 3 months of graph history, no ads1112
StrongYes, permanentlyUnlimited workout logging, log never locked, 3 custom routines — but charts are Pro-gated213
JefitYes, permanentlyLogging and history, 1,400+ exercises, custom routines — ad-supported, no watch app, capped Instant Workouts314
FitbodNo7 days, then you can still read old workouts but cannot log new ones8
FreeleticsTechnically34 fixed bodyweight workouts. No programming, no personalisation — a demo, not a product9
SensAINo7-day full-access trial, no credit card, then $6.99/month6

The honest summary: if you program your own training and want a logbook, three good apps will never charge you anything. That is not a compromise. For a self-coached lifter it is the correct answer, and no amount of pricing analysis changes it.

How Much Does Hevy Cost?

Hevy Pro is $2.99/month, $23.99/year, or $74.99 once for lifetime — the cheapest paid tier of the six.1 A Hevy subscription is called Hevy Pro; there is only one paid tier, and it removes the free plan’s routine, custom-exercise, and graph-history caps.11

The free tier is the real story. You get unlimited workout logging with no ads,12 capped at 4 routines and 7 custom exercises, with advanced progress graphs limited to a rolling 3-month window.11 For most lifters running a fixed program, the routine cap is the one that bites first.

Is Hevy Pro worth it? It depends entirely on which cap you hit. If you rotate more than four routines — a common upper/lower or push/pull/legs split with a deload variant — Pro pays for itself in convenience at $2/month effective. If you want to see progress on a lift beyond three months, that’s the other trigger. If neither applies, stay free; Hevy’s free tier is not crippled and Hevy does not nag you with ads.

Hevy’s lifetime option breaks even against annual at $74.99 ÷ $23.99 ≈ 3.1 years. It’s the cheapest lifetime in the category and the only one where the breakeven is short enough to be a defensible bet — but see the retention data below before you take it.

Our full Hevy review has the cell-by-cell free-versus-Pro breakdown and an honest verdict on Hevy Trainer. For the two-logger matchup, see Hevy vs Strong.

How Much Does Strong Cost?

Strong Pro costs $4.99/month, $29.99/year, or $99.99 lifetime, with a $19.99 six-month plan sitting between monthly and annual.2

That six-month SKU is quietly the most useful plan in this entire comparison, and not because of the price. Six months is long enough to prove you’ll keep training but short enough that abandoning it costs $19.99 instead of $99.99 — the closest thing in the category to a hedge against your own optimism.

One correction worth making, because it is widely misreported: Strong’s free tier does not include full analytics. Your workout log is unlimited and you are never locked out of your own data — Strong’s help centre is explicit that “your workout data will always be available whether you are a Strong PRO user or not.”13 But access to charts is a Pro feature.13 So free Strong keeps your history; it just won’t graph it. That is a different trade from Hevy, which graphs three months and then goes dark.

For a beginner running Starting Strength or a 5×5 — programs with exactly two or three routines — Strong free is the answer to “what’s the best free Fitbod alternative for logging.” Install it once and never see a paywall.

Lifetime breakeven is $99.99 ÷ $29.99 ≈ 3.3 years, and Strong’s feature velocity has historically been slower than Hevy’s. Paying once for an app that evolves slowly is a real risk.

How Much Does Jefit Cost?

Jefit runs two tiers: Basic (free) and Elite at $12.99/month or $69.99/year, with a discounted $52.49 first year.3 There is no lifetime plan and no monthly-equivalent bundle.

Jefit Basic is the most generous free tier of the six on raw feature count — logging and history, custom routines, and a 1,400-exercise library with guided instructions.3 The catches are that it’s ad-supported, the watch app is Elite-gated,3 and Instant Workouts are capped at a number Jefit does not publish.14

Jefit markets an “Adaptive AI Coach” on Elite,15 and it is worth being precise about what that adapts on: your logged strength and fatigue — training load derived from Jefit’s own workout log. It does not read HRV, sleep, or recovery from a wearable; none of those terms appear in Jefit’s pricing page, FAQ, or store listing.31514 The watch app is an input device for logging, not a biometric feed.

At $69.99/year Elite sits at the same price as SensAI while solving a different problem. Our Jefit vs Hevy comparison covers where the two loggers actually diverge.

How Much Does Fitbod Cost? (And Does Fitbod Cost Money?)

Yes — Fitbod costs money, and it is the only app of the six with no way to keep using it for free.

Fitbod is $15.99/month or $95.99/year, roughly $8.00/month on the annual plan.4 A deep ladder of grandfathered SKUs is still live on the App Store — the previous standard tier at $12.99/month and $79.99/year, plus four explicitly labelled “(Legacy Pricing) fitbod ELITE” entries at $7.99, $9.99, $49.99, and $59.99.16 If you subscribed years ago you may still be on one of these; new users cannot buy them.

The trial mechanics matter more than the price. Fitbod’s seven-day trial requires you to opt into a monthly or annual plan up front, and it rolls automatically into a paid subscription unless you cancel before it ends.8 When it expires, you can still log in and view past workouts, but logging new ones requires payment.8 That is a read-only remnant, not a free tier.

Fitbod also describes a Lifetime Membership as “exclusively promotion only available for a short period,” with no published price and no current way to buy it.7 So “Fitbod has no lifetime plan” is not quite right — the accurate framing is that it isn’t purchasable and no figure exists to quote.

What ~$96 a year buys is rules-based machine learning — not an LLM — that builds each session from your logged history, equipment, and muscle-recovery estimates: exercises, sets, and plate-by-plate loading, so you never program a session yourself.17

What it doesn’t buy is recovery-aware programming. Fitbod’s Apple Health integration reads workouts, active energy, heart rate, and body composition from a fixed list of activity types.18 It does not read HRV, sleep, or readiness — searching Fitbod’s full public help centre returns no mention of heart rate variability or training readiness anywhere.18 Its “muscle recovery” is a volume-decay timer: logged sets, reps, and weight determine a per-muscle recovery percentage, with muscles considered fully recovered after six days.17

One nuance in Fitbod’s favour, since it is new: Fitbod now supports live heart-rate tracking during a workout on iOS 26+ with an Apple Watch or AirPods Pro 3.19 That is in-session BPM display, not physiological readiness — but “Fitbod ignores heart rate entirely” is no longer accurate.

Our full Fitbod review has the trial mechanics, the legacy-pricing quirk, and where the algorithm plateaus.

How Much Does Freeletics Cost?

Freeletics is the outlier: there is no monthly plan. The Coach sells in blocks — $49.99 for three months, $94.99 for twelve, or $549.99 for lifetime, with training-and-nutrition bundles at $54.99 and $124.99 respectively.5 A six-month tier at $79.99 exists in Freeletics’ billing catalogue but is not surfaced on the web storefront, which offers only the three-month, twelve-month, and lifetime options.5

There is also no free trial. Freeletics offers a 14-day money-back guarantee instead, which means you are charged up front and request a refund.9 That is a materially different commitment from Fitbod’s card-required trial, and a world away from a no-card trial.

The free version includes 34 fixed HIIT bodyweight workouts and the community.9 Everything that constitutes the actual product — personalised plans, adaptive programming, the full 700-exercise library — is Coach-gated.9 Call it a demo.

And Freeletics is admirably direct about the recovery question that the rest of this category fudges. On syncing workout data from Apple Health or a wearable, its own documentation states that only workout type and duration are imported, and then: “Your Coach does NOT interpret this data to adjust or personalize your workouts, but we are exploring this for a future release.”20

That is the clearest statement any vendor in this comparison makes about the gap between “AI coach” marketing and what the algorithm actually reads. If you’re weighing the category, the best Freeletics alternatives is the next read.

How Much Does SensAI Cost?

SensAI is $6.99/month or $69.99/year — $5.83/month effective on annual — after a 7-day free trial that requires no credit card.6

There’s no free tier and no lifetime option, and the reason is structural rather than greedy: SensAI’s coach runs on live LLM inference. Every conversation, every mid-workout adjustment, every recovery-based plan change costs real compute. An ad-supported free tier doesn’t cover that; a one-time lifetime payment definitely doesn’t.

That cost buys a different product class. Think of four rungs on a ladder: Strong, Hevy, and Jefit log your training; Fitbod and Freeletics generate it; SensAI coaches it — pulling HRV, sleep, and recovery data from Apple Watch, Garmin, Oura, or WHOOP via HealthKit, using that context to regenerate your week, and letting you change a session mid-workout just by asking.6

The honest caveat: if all you want is a digital logbook, SensAI is more app than you need. Use Hevy, Strong, or Jefit free and spend the $69.99 on protein.

What the Free Tiers Actually Contain

Free tier limitHevy FreeStrong FreeJefit Basic
Workout loggingUnlimited11Unlimited2Unlimited3
Routines41132Custom routines included3
Custom exercises711Capped, number unpublished131,400+ library3
Charts / analytics history3 months11Log kept, charts Pro-gated13Advanced analytics Elite-gated3
AdsNone12None2Ad-supported3
Watch appIncluded12Included2Elite-gated3
AI / adaptive featuresNone11None13Elite-gated15

Cost Per Year of Actual Use: The Real Math

Sticker price isn’t the number that matters. Total cost over your realistic usage window is.

App (best plan)1 year3 years5 years
Hevy Pro (annual)$23.99$71.97$119.95
Hevy Pro (lifetime)$74.99$74.99$74.99
Strong Pro (annual)$29.99$89.97$149.95
Strong Pro (lifetime)$99.99$99.99$99.99
Jefit Elite (annual)$69.99$209.97$349.95
SensAI (annual)$69.99$209.97$349.95
Freeletics Coach (annual)$94.99$284.97$474.95
Fitbod (annual)$95.99$287.97$479.95
Freeletics (lifetime, list)$549.99$549.99$549.99

Lifetime breakevens: Hevy ~3.1 years, Strong ~3.3 years, Freeletics ~5.8 years against its own annual plan.

Now the uncomfortable data. Health and fitness apps retain almost nobody past the first month — Business of Apps puts 30-day retention for the category at about 3%.21 Most people who subscribe in January aren’t opening the app in April.

And we’re systematically bad at noticing what that costs us. In C+R Research’s subscription-spending survey, consumers estimated they spent $86/month on subscriptions; their actual average was $219 — a $133/month blind spot, with 74% admitting recurring charges are easy to forget.2223

The research community has named the underlying pattern. Nikos Ntoumanis, Professor of Motivation Science at the University of Southern Denmark, led a meta-analysis in Health Psychology Review of self-determination theory interventions across the health domain, and found that behaviour change tracks autonomous motivation — not external pressure.24 Paying for an app doesn’t make you train; it makes you billed. Separately, a Sports Medicine – Open meta-analysis from UMC Utrecht’s Julius Center, led by Roxanne Gal with epidemiologist Evelyn Monninkhof as senior author, found that wearable- and app-based interventions produced a small-to-moderate increase in physical activity — the tool helps, but it is not the thing doing the work.25

So the decision rule writes itself:

  1. Start monthly where a monthly plan exists. Even at Fitbod’s $15.99, one month is cheaper than an abandoned annual plan. Freeletics forces a three-month minimum, which is a real cost of entry.
  2. Go annual after 3 months of consistency. That’s when retention data says you’ve beaten the curve.
  3. Buy lifetime only with a year of history in that specific app. A breakeven 3+ years out assumes you’ll still be there.

One more cost that never shows up on a pricing page: switching. All six apps log similar data, but moving years of workout history between them ranges from tedious (CSV export and re-import) to lossy (custom exercises rarely map cleanly). That friction is worth pricing in before a lifetime purchase — it’s the quiet reason people stay subscribed to apps they’ve stopped loving.

There’s also a question most pricing pages dodge: what does the paid tier actually change about your training? For Hevy, Strong, and Jefit, paying removes caps — your training is identical, your bookkeeping improves. For Fitbod and Freeletics, paying is binary: no payment, no product. For SensAI, the subscription is the product — the coaching adapts week to week, so the value compounds with use rather than sitting flat.

Fitness App Pricing FAQ

Is Hevy free?

Yes, permanently. Hevy’s free tier gives you unlimited workout logging with no ads, capped at 4 routines and 7 custom exercises, with progress graphs limited to a rolling 3-month window.1112 Hevy Pro removes those caps for $2.99/month, $23.99/year, or $74.99 lifetime.1

How much does Hevy cost?

$2.99/month, $23.99/year, or $74.99 for lifetime access.1 A second monthly SKU at $3.99 also appears on the App Store.1 Hevy discounts the first year of an annual subscription by 50% a few times a year for first-time subscribers, but never discounts lifetime.10

Hevy free vs Pro — what’s the actual difference?

Four things: routines (4 vs unlimited), custom exercises (7 vs unlimited), graph history (3 months vs all time), and the warm-up calculator plus Hevy Trainer, which are Pro-only.11 Logging itself is unlimited on both. If you run four or fewer routines and don’t need long-range charts, free is a complete product.

Is there a Hevy lifetime subscription?

Yes, $74.99 one-time.1 It breaks even against the $23.99 annual plan at roughly 3.1 years — the shortest lifetime breakeven of any app here. Hevy states that lifetime subscriptions are never included in its sales.10

Is Hevy Pro worth it?

Only if you’re hitting a cap. Rotating more than four routines or wanting progress charts beyond three months are the two triggers; at $2/month effective on annual, either one justifies it. If neither applies, Hevy free is not a crippled product and there are no ads pushing you to upgrade.12

Is Fitbod free? Does Fitbod cost money?

Fitbod costs money and has no permanent free tier. You get seven days — and to start them you must opt into a monthly or annual plan up front, which auto-converts to a paid subscription unless you cancel.8 After it expires you can view past workouts but cannot log new ones.8

How much does Fitbod cost?

$15.99/month or $95.99/year, about $8.00/month on the annual plan.4 Legacy subscribers may still hold grandfathered rates as low as $7.99, and a $12.99/$79.99 tier remains live for existing users, but new users cannot buy them.16

Does Fitbod have a lifetime plan?

Not one you can buy. Fitbod describes a Lifetime Membership as “exclusively promotion only available for a short period,” and publishes no price for it.7 Anyone quoting a specific Fitbod lifetime figure is not sourcing it from Fitbod.

Is Fitbod worth it?

Only if you want sessions generated for you and won’t program them yourself. At $95.99/year it’s the most expensive of the six with no free fallback when the trial ends,48 and it programs from logged training load rather than recovery.1817 If your reason for wanting Fitbod is “I don’t know what to do today,” check whether you actually want a generator or a coach that adapts to recovery; those are different products at similar prices.

Which workout app has the best free version?

It depends which cap you hit first. Jefit Basic wins on raw features — logging, custom routines, and a 1,400-exercise library — but it’s ad-supported and the watch app is paywalled.3 Strong free gives unlimited logging and never locks your data, but charts are Pro-gated.13 Hevy free allows 4 routines with 3 months of graph history and no ads.1112 Take Hevy for the cleanest free experience, Strong if you run three or fewer routines, Jefit if you want the exercise library and tolerate ads.

Is a lifetime workout app subscription worth it?

Only with a year of history in that specific app. Hevy’s $74.99 breaks even at ~3.1 years and Strong’s $99.99 at ~3.3 — both require you to still be training in that app three years out, which fitness app retention data suggests is a minority outcome.21 Freeletics’ $549.99 lifetime needs ~5.8 years against its own annual plan, which is a long bet on a single vendor.

Why do these apps span a 4x price range?

Because they’re three product classes, not six versions of one thing. Loggers store what you typed, so Hevy Pro and Strong Pro land at $23.99 and $29.99 a year.12 Generators run an algorithm over that history, which is why Fitbod is $95.99 and Freeletics $94.99.45 A coach runs live inference against your recovery data every time you ask it something, which is what the $69.99 SensAI tier funds.6 Sticker price tracks computation, not polish.

Which of these apps actually read HRV, sleep, or recovery?

Of the six, only SensAI programs from them.6 Fitbod reads workouts, active energy, in-workout heart rate, and body composition — but not HRV, sleep, or readiness.1819 Jefit adapts on logged strength and fatigue, not biometrics.15 Freeletics states in its own documentation that it imports workout type and duration and does not interpret that data to personalise your training.20 Hevy and Strong don’t claim to.

Does SensAI have a free plan?

No. SensAI runs a 7-day free trial with no credit card and no feature restrictions, then $6.99/month or $69.99/year.6 The subscription funds live LLM inference, which carries a real per-conversation cost that ad-supported loggers don’t.

Verdict: Which App to Pay For (and When to Stay Free)

  • Best free overall: Hevy — unlimited logging, no ads, 4 routines. Strong free if you run three or fewer routines and want your log permanently unlocked; Jefit Basic if you want the biggest exercise library and don’t mind ads.
  • Best paid logging value: Hevy Pro at $23.99/year — nothing else in the category comes close per dollar.
  • Best generated workouts: Fitbod at $95.99/year — the most polished generator, with no free fallback when the trial ends.
  • Most expensive commitment: Freeletics — no monthly plan, no trial, a three-month minimum, and a $549.99 list lifetime.
  • Best coach, not logger: SensAI at $69.99/year — about 73% of Fitbod’s price, and the only one of the six that reads your wearable’s recovery data and programs from it.62018
  • Stay free entirely if you program your own training and just need a logbook.

The bottom line: the cheapest app is the one you’ll actually use in month four. If that’s a free logger, take the free logger and don’t look back. If you keep stalling because nothing adapts when life and recovery intervene, $5.83/month for a coach that watches your wearable data is the rare subscription that gets cheaper per use the longer you keep it — but earn that conclusion with the free trial first, against your own data. Our broader fitness app comparison and the four-way logger matchup are the next reads if you’re still mapping the field.


References

Footnotes

  1. Hevy Studios. “Pricing.” Hevy.com, accessed 8 September 2026. https://hevy.com/pricing 2 3 4 5 6 7 8 9 10 11 12

  2. Strong Fitness PTE Ltd. “Strong Workout Tracker Gym Log.” US App Store listing (id464254577), version 6.5.0, accessed 8 September 2026. https://apps.apple.com/us/app/strong-workout-tracker-gym-log/id464254577 2 3 4 5 6 7 8 9 10 11 12 13

  3. Jefit, Inc. “Jefit Elite.” Jefit.com, accessed 8 September 2026. https://www.jefit.com/elite 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

  4. Fitbod, Inc. “Frequently Asked Questions.” Fitbod.me, page last modified 27 May 2026, accessed 8 September 2026. https://fitbod.me/faqs/ 2 3 4 5 6 7

  5. Freeletics GmbH. “Get Your Coach — Pricing.” Freeletics.com, US pricing accessed 8 September 2026. https://www.freeletics.com/en/training/coach/get/ 2 3 4 5 6 7 8

  6. Origami, Inc. “SensAI: Fitness Sensei.” US App Store listing (id6738963099), version 1.1.4, accessed 8 September 2026. https://apps.apple.com/us/app/sensai-fitness-sensei/id6738963099 2 3 4 5 6 7 8 9 10 11

  7. Fitbod, Inc. “How to Subscribe to Fitbod.” Fitbod Help Center, accessed 8 September 2026. https://help.fitbod.me/hc/en-us/articles/360004904714-How-to-Subscribe-to-Fitbod 2 3

  8. Fitbod, Inc. “How the Trial Works.” Fitbod Help Center, updated 7 September 2026, accessed 8 September 2026. https://help.fitbod.me/hc/en-us/articles/30542136101527-How-the-Trial-Works 2 3 4 5 6 7

  9. Freeletics GmbH. “Freeletics: Fitness Workouts.” US App Store listing (id654810212), version 26.35.0, accessed 8 September 2026. https://apps.apple.com/us/app/freeletics-fitness-workouts/id654810212 2 3 4 5

  10. Hevy Studios. “Hevy 50% OFF Annual Pro Subscription: How It Works.” Hevy Help Centre, accessed 8 September 2026. https://help.hevyapp.com/hc/en-us/articles/38223834432279-Hevy-50-OFF-Annual-Pro-Subscription-How-It-Works 2 3

  11. Hevy Studios. “Hevy Pro Subscription: How to Get Pro and What Does It Include?” Hevy Help Centre, updated 4 September 2026, accessed 8 September 2026. https://help.hevyapp.com/hc/en-us/articles/35119778922263-Hevy-Pro-Subscription-How-to-get-Pro-and-What-Does-It-Include 2 3 4 5 6 7 8 9 10 11

  12. Hevy Studios. “Hevy — Workout Tracker Gym Log.” US App Store listing (id1458862350), version 3.1.12, accessed 8 September 2026. https://apps.apple.com/us/app/hevy-workout-tracker-gym-log/id1458862350 2 3 4 5 6 7

  13. Strong Fitness PTE Ltd. “What is Strong PRO?” Strong Help Centre, accessed 8 September 2026. https://help.strongapp.io/article/132-strong-pro 2 3 4 5 6 7

  14. Jefit, Inc. “Frequently Asked Questions.” Jefit.com support, accessed 8 September 2026. https://www.jefit.com/support/faq 2 3

  15. Jefit, Inc. “Jefit Gym Workout Plan Log.” US App Store listing (id449810000), version 17.2.0, accessed 8 September 2026. https://apps.apple.com/us/app/jefit-gym-workout-plan-log/id449810000 2 3 4

  16. Fitbod, Inc. “Fitbod Gym & Fitness Planner.” US App Store listing (id1041517543), version 8.32.0, accessed 8 September 2026. https://apps.apple.com/us/app/fitbod-gym-fitness-planner/id1041517543 2

  17. Fitbod, Inc. “Muscle Recovery.” Fitbod Help Center, updated 27 August 2026, accessed 8 September 2026. https://help.fitbod.me/hc/en-us/articles/360006269014-Muscle-Recovery 2 3

  18. Fitbod, Inc. “Apple Health.” Fitbod Help Center, updated 1 September 2026, accessed 8 September 2026. https://help.fitbod.me/hc/en-us/articles/360047357794-Apple-Health 2 3 4 5

  19. Fitbod, Inc. “Live Heart Rate Tracking.” Fitbod Help Center, updated 30 August 2026, accessed 8 September 2026. https://help.fitbod.me/hc/en-us/articles/39224086573207-Live-Heart-Rate-Tracking 2

  20. Freeletics GmbH. “Sync Your Workout Data.” Freeletics Blog, accessed 8 September 2026. https://www.freeletics.com/en/blog/posts/sync-workout-data/ 2 3

  21. Business of Apps. “Health & Fitness App Benchmarks.” BusinessOfApps.com, accessed 8 September 2026. https://www.businessofapps.com/data/health-fitness-app-benchmarks/ 2

  22. C+R Research. “Subscription Service Statistics and Costs.” CRResearch.com, 2022, accessed 8 September 2026. https://www.crresearch.com/blog/subscription-service-statistics-and-costs/

  23. Agostino S. “‘It’s a slippery slope’: Most consumers underestimate monthly subscription costs by at least $100, study says.” CNBC, September 6, 2022. https://www.cnbc.com/2022/09/06/consumers-underestimate-monthly-subscription-costs-by-at-least-100.html

  24. Ntoumanis N, Ng JYY, Prestwich A, Quested E, Hancox JE, Thøgersen-Ntoumani C, Deci EL, Ryan RM, Lonsdale C, Williams GC. “A meta-analysis of self-determination theory-informed intervention studies in the health domain: effects on motivation, health behavior, physical, and psychological health.” Health Psychology Review, 2021;15(2):214-244. PMID: 31983293. https://pubmed.ncbi.nlm.nih.gov/31983293/

  25. Gal R, May AM, van Overmeeren EJ, Simons M, Monninkhof EM. “The Effect of Physical Activity Interventions Comprising Wearables and Smartphone Applications on Physical Activity: a Systematic Review and Meta-analysis.” Sports Medicine - Open, 2018;4(1):42. PMID: 30178072. https://pubmed.ncbi.nlm.nih.gov/30178072/

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