Tabata Timer vs GKF Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tabata Timer
This app provides a versatile interval timer for high-intensity workouts like HIIT and Tabata. Users can create custom routines with adjustable work/rest times, sets, and cycles, and receive voice cues. It functions as a background companion to keep you focused during training.
- Customizable interval timers
- HIIT and Tabata training support
- Adjustable work and rest times
- Set and cycle configuration
- Interval naming
- Background operation
- Voice cues
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Become better, faster, and stronger — together with Tabata Timer for Workouts! A simple yet powerful HIIT and Tabata timer for cardio, CrossFit, and any high-intensity training. Beginners can start with one tap, while advanced users get full control over every interval. Create custom workouts: adjust work and rest times, sets, and cycles; add interval names, background music, and voice cues. The app runs smoothly in the background, supports vibration, music ducking, and much more. More than just a stopwatch — your personal workout partner that keeps you focused, motivated, and on track anywhere — at home, in the gym, or outdoors. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
GKF Studio
Book fitness sessions and view class schedules directly through the app. Stay updated on class times and reserve your spot easily. Manage your fitness journey conveniently.
- View class schedules
- Book fitness sessions
- Manage bookings
- Stay updated on class times
- Easy session reservation
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Download the app to view schedules & book sessions at GKF Studio!
Screenshots
Verdict
The clearest difference is in-app purchases: GKF Studio at none against Tabata Timer's 5. GKF Studio also leads on ads (none vs shown) and iOS requirement (11.0.0 vs 15.6). Tabata Timer's advantage is update cadence (every 10 days vs every 44 months) and ratings volume (9.2K vs 3). On price, rating, review sentiment and device support 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
Both are free to download. Tabata Timer sells 5 in-app purchases, starting at $1.49 per month. GKF Studio asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Tabata Timer against 5.0 for GKF Studio. That said, the two scores are not equally well evidenced: Tabata Timer has 9.2K ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 98% of Tabata Timer's written reviews are positive against 100% of GKF Studio's.
Tabata Timer ships an update every 10 days, GKF Studio every 44 months. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.
| Parameter | Tabata Timer | GKF Studio |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (9.2K ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 98.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 9.2K — better | 3 |
| Update frequency | Every 10 days — better | Every 44 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 11.0.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Oleksandr Serhiienko | Get Kristen Fit LLC |
Customer experience
Tabata Timer
GKF Studio
Bugs and requests
Tabata Timer
Reported bugs
3 issues- Workouts not saving properly
- Sync issues between app and Apple Watch
- Occasional freezing or restarting of device
Requested features
5 requests- Ability to name and save more workouts in free version
- Option to add exercise images or videos
- Sync workouts across devices
- Customizable sounds and alerts
- Workout history and progress tracking
GKF Studio
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tabata Timer
- Premium$1.491 Month
- Premium$2.993 Months
- Premium$4.496 Months
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- Premium$7.491 Year
- Premium$9.99
GKF Studio
No in-app purchases
