iTabata Timer! vs Jab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iTabata Timer!
This interval timer is designed for Tabata training enthusiasts. Customize exercise duration, rest periods, and repetitions for your high-intensity workouts. It's a universal app compatible with both iPhone and iPad.
- Customizable exercise intervals
- Customizable rest intervals
- Adjustable repeat times
- Adjustable preparation time
- Universal iPhone and iPad support
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What Is Tabata Training? Tabata training is a type of high intensity interval training that follows a specific format: * 20 seconds of a very high intensity exercise (e.g., sprints) * 10 seconds of rest * Repeat 8 times for a total of 4 minutes Our application - iTabata Timer is a universal (both iPhone and iPad) features packed interval timer for people who follow the Tabata training method. You can set exercise interval, rest interval, repeat times and preparing time with iTabata Timer. Thank you and good luck in your training time!
Jab
This app guides you through boxing workouts with voice-called combos and a round timer. Track your punches per minute and progress through 15 distinct training sessions, from beginner basics to advanced camp routines. It's designed for effective training without distractions.
- Voice-guided combo callouts
- 15 boxing workouts
- Round timer with boxing bells
- Punch tracking (punches per minute)
- Offline functionality
- Progress tracking and personal records
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Real boxing combos, called out loud, round by round. Your phone calls it, you throw it. Jab feeds you combinations while you work the heavy bag or shadow box. Jabs, crosses, hooks, uppercuts, body shots, slips - up to six punches per combo. Eyes stay forward. Hands stay up. 15 workouts from day-one basics to 12-round camp sessions. Heavy bag rounds inspired by Kronk, Philly Shell, and Mexican style boxing. A round timer with real boxing bells. Punch tracking that tells you if you're actually getting faster - not just tired. Short combos come fast. Long combos give you room. The pacing adjusts so there's nowhere to hide. Free. No ads. No account. Works offline. Open it and go. WORKOUTS - 15 workouts from beginner to advanced - Real progressions: Boxing 101 through Camp Mode - Conditioning rounds with sustained bag work - Defense: slip, roll, pull counters built into combos TRAINING - Voice-guided combo callouts with dynamic pacing - Round timer with authentic boxing bells - Works with your music - audio ducks during callouts - Pacing: Slow, Medium, Fast, Progressive PROGRESS - Punches per minute tracking - Personal records: most punches, best intensity, longest streak - Training activity calendar - Shareable workout cards with full punch breakdown
Screenshots
Verdict
The clearest difference is update cadence: Jab at every 4 days against iTabata Timer!'s fortnightly. iTabata Timer!'s advantage is iOS requirement (10.0 vs 15.0). On price, review sentiment, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
iTabata Timer! ships an update fortnightly, Jab every 4 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | iTabata Timer! | Jab |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 40 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Tien Nguyen Viet | Duc Anh Tran |
Customer experience
iTabata Timer!
Jab
In-app purchases
iTabata Timer!
No in-app purchases
Jab
No in-app purchases









