Comparison

Gym Timer vs Gym Data

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

Head to head
About

Gym Timer

This app helps you track gym sessions and manage rest times between sets. It's designed for use on a smartwatch, allowing you to leave your phone behind. The app alerts you when it's time to train again, ensuring your workout flows smoothly.

Highlights
  • Track gym sessions
  • Time rest periods between sets
  • Smartwatch optimized
  • Phone-free gym experience
  • Alerts for training intervals
  • HealthKit integration
Features
Read full description

Gym Timer helps you tracking your gym sessions and timing rest time. - You can leave your smartphone in the locker room: An app designed from the concept of the Apple Watch's app to give you the best mobility in the gym, without the need to lug around the smartphone. It's all on your wrist. With CareKit and HealthKit integration, your workout will never be interrupted if your Apple Watch goes into standby mode. - It does everything: With Gym Timer, you just set the number of sets and the rest time between one set and the other, then you just need to start the timer at the end of each set. When is time to start to train again, it will alert you. Follow us on our social media to be the first to know about new features we're developing, to get in touch with our community and give us a feedback. Facebook: https://www.facebook.com/gymtimer/ Instagram: @gym_timer Twitter: @gym_timer Gym Timer uses Health Kit for some functionalities like staying active while your watch screen is off.

About

Gym Data

Features
Read full description

Keep your workout program and food log in one place. Gym Data helps you follow your own plan and record what you do, in English or Arabic. Log your strength training Record weight, reps and effort for each set. Switch between kilograms and pounds during your workout, with results converted to your preferred unit for comparisons over time. Revisit previous performance, add notes and review your saved sessions. Rate each set's execution quality Add your own optional A, B or C rating for each set, separately from weight and effort. Warmup and special-technique sets stay in your history; working-set totals and strength volume count completed working sets only. Organize your own plan Create programs with ordered days and exercises. Include strength training, walks, mobility, other activities and rest days to match your plan. Add your own main-muscle and tracking-group names. Keep food and targets in view Log what you eat and track calories, protein, carbohydrates, fats and fiber. See Cut, Maintain and Bulk targets together, with how much remains, is reached or is exceeded for each goal. Return to your records Review saved sessions, body measurements and changes over time. You can choose to read body measurements, sleep, heart rate and other available Apple Health data after granting permission. The connection is optional and read-only. Bring your plans Import compatible workout-program files and review them before adding them. Use the app's instructions with an external AI tool to prepare a compatible file for import. Share your records with a coach Create a report for your selected period as a PDF, Excel or Word file. Choose which data to include, then preview it before sharing. Training, nutrition and measurement records are stored locally on your device and do not sync between devices. Sign-in is required. Paid access to app features is available through in-app subscriptions. Prices and subscription terms are shown in the app before purchase. Available on iPhone. Requires iOS 18.5 or later. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://herov.net/gymdata/privacy

Screenshots

Gym Timer4 screens
Gym Data4 screens

Verdict

The call

The clearest difference is in-app purchases: Gym Timer at none against Gym Data's 2. Gym Timer also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.5). Gym Data's advantage is update cadence (every 3 days vs every 3 weeks). On price and ads 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. Gym Data sells 2 in-app purchases, starting at $1.99 per month. Gym Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Gym Timer ships an update every 3 weeks, Gym Data every 3 days. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

Scorecard4 real differences · 6 level
Gym Timer versus Gym Data: the parameters behind the verdict, then further details
ParameterGym TimerGym Data
PriceFreeFree
Rating4.5 (460 ratings) — better—
Positive reviews55.0% of reviews—
Number of ratings460 — better—
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPod, Apple Watch — betteriPhone
Requires iOS13.0 — better18.5
Further details — not scored
Size19 MB37 MB
Age rating4+4+
DeveloperGiuseppe FasanoKhalid Alsaleh

Bugs and requests

Gym Timer

Reported bugs

4 issues
  • Timer resets unexpectedly
  • Set/rep count not updating correctly
  • Syncing issues with Apple Watch
  • Notifications not working as expected

Requested features

4 requests
  • Add option to track exercise time
  • Implement workout history/progress tracking
  • Provide Apple Watch complications
  • Offer paid ad-free version

Gym Data

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Gym Timer

No in-app purchases

2 purchases

Gym Data

Subscriptions2
  • Yearly1 Month trial$1.991 Month
  • Yearly14 Days trial$22.991 Year

Questions

Is Gym Timer free?
Gym Timer is free to download, with no in-app purchases.
Is Gym Data free?
Gym Data is free to download, with in-app purchases available.
Do Gym Timer or Gym Data have ads?
Neither Gym Timer nor Gym Data shows ads.
Which is updated more often, Gym Timer or Gym Data?
Gym Timer ships an update every 3 weeks, and Gym Data every 3 days. Most recently, Gym Timer was updated on October 17, 2026 and Gym Data on October 14, 2026.

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