Comparison

GymBook ・ Strength Training vs TabataFlow

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

Head to head
About

GymBook ・ Strength Training

Log, track, and analyze your gym workouts with detailed statistics and visualizations. Create custom routines, manage exercises, and monitor progress over time with a clean, minimalist interface. Integrates with Apple Watch and Health.

Highlights
  • Create custom workout routines
  • Log exercises with weight and reps
  • Track workout progress with graphs
  • Manage and create your own exercises
  • Apple Watch logging and Live Activities
  • Sync data with Health and Strava
  • Body measurement tracking
Features
Read full description

Here is GymBook, your fitness app to efficiently create, log and analyze your workouts at the gym - all in a beautiful and minimalist user interface. MANAGE YOUR WORKOUTS • Create your workout with your own exercises or choose from the 50+ simple exercises with animated images and visualizations of the affected primary and secondary muscle groups • Group and sort your exercises within a workout • Define the sets, weight and reps you want to perform for each exercise • Define different settings for your sets of an exercise (e.g. for warm up sets or pyramid training) • Archive workouts you don't actively use and keep them for statistics or for later use MANAGE YOUR EXERCISES • Edit the preloaded exercises • Create your own exercises (cardio and stretching exercises also supported) • Assign a region, primary and secondary muscle groups, equipment and write down notes for your exercises • Add a photo to your exercises WORK OUT! • Fast logging and tracking of your workout • Log your workout on your wrist with GymBook for Apple Watch • Extend your logs with notes to add additional information • Immediately see how you did last time • Use the pre-filled picker views for fast logging and Quick-Log for super fast logging • Quickly access logs from within a workout, including the graphical statistics • Change the workout date (if you want to log previous workouts) • Immediately see your exercise statistics in a configurable, interactive line graph • Move automatically to the next exercise of your workout after saving a log (configurable) • The workout screen immediately shows a detailed overview about today's workout • The innovative "Workout Matrix" gives you always a detailed overview about your current workout • Live Activities show your current workout right on your Lock Screen or on your Dynamic Island • After completing a workout, a summary shows your performance as well as your heat map and lets you analyze your progress compared to last time • Completed workouts are saved to the Health app (with date, start time, end time, duration, name and optionally active calories and heart rate) and to Strava MORE... • Time your rests with the adjustable timer which also works when you set your device to sleep or close your app: you can configure your preferred timer duration, have a primary and a secondary timer (even specific to an exercise), choose between a classic or a graphical timer, have different timer sounds and more • Receive a detailed analysis of your performance thanks to the interactive line graphs, doughnut charts, and/or radar charts • Track your body measurements and analyze your progress in interactive line graphs: some body measurements (weight, height, body fat percentage and waist circumference) will also be synced with the Health app • Export your logs as XML and CSV file and export a backup as a database file • Synchronize your data with iCloud • Change the appearance of GymBook and choose from one of 9 great designs, each one available in both light and dark mode *Some special functions can be activated with GymBook Pro. SUPPORT: GymBook supports metric (kilograms, meters) and imperial (pounds, feet) system of units. NOTE: GymBook is developed by gym experts, for gym experts. Therefore it focuses on YOUR workouts and provides only example workouts for better orientation. TERMS OF USE: https://gymbookapp.com/terms.

About

TabataFlow

Features
Read full description

Tabata Flow ist dein schneller, unkomplizierter HIIT- und Intervall-Timer für effektives Training – egal ob Tabata, Zirkeltraining oder klassisches Intervalltraining. FUNKTIONEN • Frei einstellbare Intervalle: Belastungs- und Pausenzeiten, Runden und Sätze individuell konfigurieren • Trainings-Presets: Deine Lieblingskombinationen speichern und mit einem Tipp starten • Workout-Shuffle: Eigene Übungsliste anlegen und zufällig durchmischen lassen • Klare Ton- und Vibrationssignale bei jedem Phasenwechsel • Lokale Benachrichtigungen, damit du auch bei gesperrtem Display nichts verpasst DEINE DATEN BLEIBEN BEI DIR Tabata Flow funktioniert komplett offline. Es gibt keine Werbung, kein Tracking und keine Cloud-Anbindung – all deine Presets und Einstellungen werden ausschließlich lokal auf deinem Gerät gespeichert. Perfekt für HIIT, Tabata, Krafttraining, Yoga-Flows oder jedes andere zeitbasierte Workout – zuhause, im Studio oder unterwegs.

Screenshots

GymBook ・ Strength Training4 screens
TabataFlow4 screens

Verdict

The call

The clearest difference is in-app purchases: TabataFlow at none against GymBook ・ Strength Training's 13. GymBook ・ Strength Training's advantage is update cadence (weekly vs every 2 weeks) and device support (3 vs 1). On price, ads 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 ・ Strength Training sells 13 in-app purchases, starting at $1.99 per month. TabataFlow asks for nothing beyond the download.

UpkeepUpdate frequency

GymBook ・ Strength Training ships an update weekly, TabataFlow every 2 weeks. The most recent releases landed on November 1, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
GymBook ・ Strength Training versus TabataFlow: the parameters behind the verdict, then further details
ParameterGymBook ・ Strength TrainingTabataFlow
PriceFreeFree
Rating4.8 (2.4K ratings) — better—
Positive reviews94.7% of reviews—
Number of ratings2.4K — better—
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS16.4 — better17.0
Further details — not scored
Size398 MB1 MB
Age rating4+4+
DeveloperAppwise GmbHBenjamin Kahl

Bugs and requests

GymBook ・ Strength Training

Reported bugs

2 issues
  • Occasional syncing issues with Apple Watch
  • Workout data sometimes recorded on wrong day

Requested features

6 requests
  • Add ability to copy/duplicate workouts
  • Implement calendar view for workout history
  • Allow manual entry of weights/reps instead of scrolling
  • Integrate body measurement tracking and progress graphs
  • Add more pre-made workout templates and routines
Show 1 more
  • Implement calisthenics and cardio exercise support

TabataFlow

Not enough reviews yet to summarise bugs or requests.

In-app purchases

13 purchases

GymBook ・ Strength Training

Subscriptions2
  • GymBook Pro · Monthly7 Days trial$1.991 Month
  • GymBook Pro · Yearly14 Days trial$8.991 Year
One-time11
  • Timer+$3.99
  • Themes$3.99
  • Export$3.99
Show 8 more
  • Assistant$3.99
  • Cloud$3.99
  • Bronze ・ Package$5.99
  • +Exercises ・ Feature$5.99
  • Silver ・ Package$6.99
  • Gold ・ Package$12.99
  • Platinum ・ Package$17.99
  • GymBook Pro · Lifetime$22.99
None

TabataFlow

No in-app purchases

Questions

Is GymBook ・ Strength Training free?
GymBook ・ Strength Training is free to download, with in-app purchases available.
Is TabataFlow free?
TabataFlow is free to download, with no in-app purchases.
Do GymBook ・ Strength Training or TabataFlow have ads?
Neither GymBook ・ Strength Training nor TabataFlow shows ads.
Which is updated more often, GymBook ・ Strength Training or TabataFlow?
GymBook ・ Strength Training ships an update weekly, and TabataFlow every 2 weeks. Most recently, GymBook ・ Strength Training was updated on November 1, 2026 and TabataFlow on October 7, 2026.

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