Comparison

GymBook vs TrainCurve

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GymBook

Features
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GymBook is the simplest, most powerful workout tracker for iPhone. No account needed. No subscription. Your data stays on your device - always. Whether you're a beginner stepping into the gym for the first time or an experienced lifter chasing personal records, GymBook gives you everything you need - and nothing you don't. LOG YOUR WORKOUTS • Start a session with one tap - choose from Push Day, Pull Day, Leg Day and more quick-start presets • Log sets with reps, weight and RPE (Rate of Perceived Exertion) • Built-in rest timer auto-starts after every set with a haptic alert when you're ready for the next one • Log cardio sessions - treadmill, cycling, rowing and more • Add notes to any session • Finish and save with a full workout summary WORKOUT TEMPLATES • Create custom templates with your favourite exercises • Start any workout from a saved template in one tap • Filter exercises by muscle group PERSONAL RECORDS • Every new PR is detected automatically - best weight and best volume (weight × reps) tracked per exercise • Instant in-workout badge when you beat a record • View all-time bests grouped by muscle group • Tap any PR to see your strength trend chart over time • Estimated 1RM (one-rep max) shown on every set using the Epley formula =PROGRESS TRACKING *(Premium)* • Weekly volume chart - total weight lifted per week over 12 weeks • Training frequency chart - see exactly which days you trained over 28 days • Log body measurements - weight, body fat %, and more • Trend charts for each metric over time GOALS • Set fitness goals with target dates • Choose from predefined goal templates or create your own • Visual overdue and due-soon alerts keep you on track • Mark goals complete with a single swipe WORKOUT HISTORY • Filter by Week, Month, Year or All Time • View session stats - duration, sets, total volume, exercises • Rename or delete past sessions • Export your complete workout history as a CSV YOUR PROFILE • Track your streak, total workouts and total sets • Log body weight, height and age - auto-calculates BMI • Supports kg and lbs • All data stored on-device, never uploaded GYM LOG PREMIUM Upgrade once. Use forever. • Remove all ads • Unlock the full Progress tab with charts and measurements • One-time purchase - no subscription, no renewal PRIVACY FIRST GymBook stores all your data locally on your iPhone using an encrypted on-device database. No account required. No cloud sync. No data ever leaves your device. Download GymBook today and start building the body you want - one rep at a time.

About

TrainCurve

Features
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Understand your training load and recovery with TrainCurve for iPhone and Apple Watch. Built for cyclists, runners and triathletes who want to make training decisions using their own data. TRAINING LOAD, EXPLAINED Follow CTL, ATL and TSB to track fitness, fatigue and form. Review training trends and heart-rate zones. RECOVERY IN CONTEXT Review sleep, HRV and resting heart rate using available Apple Health data. These metrics are wellness estimates. TRAIN WITH APPLE WATCH Record sessions on your watch and follow live workouts on your iPhone. Log strength exercises, sets, reps and weights. COACHING WITH YOUR DATA Connect a supported AI provider. API usage is billed by the provider separately from consumer subscriptions. Account connections, where available, remain subject to provider limits. TrainCurve adds no per-token markup. YOUR TRAINING DATA Import workouts from Apple Health and follow your progress. The TrainCurve core is open source: github.com/EVMCOD/traincurve-core. Free download with in-app purchases. Check your account for plan features and limits, and App Store for purchase terms. Terms: https://traincurve.com/terms Privacy: https://traincurve.com/privacy

Screenshots

GymBook4 screens
TrainCurve4 screens

Verdict

The call

The clearest difference is ads: TrainCurve at none against GymBook's shown. TrainCurve also leads on update cadence (fortnightly vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. GymBook sells 1 one-off in-app purchase and TrainCurve sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

GymBook ships an update every 5 months, TrainCurve fortnightly. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 4 level
GymBook versus TrainCurve: the parameters behind the verdict, then further details
ParameterGymBookTrainCurve
PriceFreeFree
Update frequencyEvery 5 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, Apple Watch
Requires iOS17.017.0
Further details — not scored
Size11 MB8 MB
Age rating4+17+
DeveloperJoshy JosephENRIQUE VALEROS MURIANA

In-app purchases

1 purchases

GymBook

One-time1
  • GymBook app Premium$0.99
2 purchases

TrainCurve

Subscriptions2
  • TrainCurve Pro Monthly$4.991 Month
  • TrainCurve Pro Yearly$39.991 Year

Questions

Is GymBook free?
GymBook is free to download, with in-app purchases available.
Is TrainCurve free?
TrainCurve is free to download, with in-app purchases available.
Do GymBook or TrainCurve have ads?
GymBook shows ads; TrainCurve does not.
Which is updated more often, GymBook or TrainCurve?
GymBook ships an update every 5 months, and TrainCurve fortnightly. Most recently, GymBook was updated on October 12, 2026 and TrainCurve on October 14, 2026.

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