Comparison

iTabata Timer! vs Jab

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

Head to head
About

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.

Highlights
  • Customizable exercise intervals
  • Customizable rest intervals
  • Adjustable repeat times
  • Adjustable preparation time
  • Universal iPhone and iPad support
Features
Read full description

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!

About

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.

Highlights
  • Voice-guided combo callouts
  • 15 boxing workouts
  • Round timer with boxing bells
  • Punch tracking (punches per minute)
  • Offline functionality
  • Progress tracking and personal records
Features
Read full description

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

iTabata Timer!4 screens
Jab4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iTabata Timer! ships an update fortnightly, Jab every 4 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
iTabata Timer! versus Jab: the parameters behind the verdict, then further details
ParameteriTabata Timer!Jab
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—1 — better
Update frequencyFortnightlyEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size40 MB9 MB
Age rating4+4+
DeveloperTien Nguyen VietDuc Anh Tran

Customer experience

iTabata Timer!

Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Jab

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

iTabata Timer!

No in-app purchases

None

Jab

No in-app purchases

Questions

Is iTabata Timer! free?
iTabata Timer! is free to download, with no in-app purchases.
Is Jab free?
Jab is free to download, with no in-app purchases.
Do iTabata Timer! or Jab have ads?
Neither iTabata Timer! nor Jab shows ads.
Which is updated more often, iTabata Timer! or Jab?
iTabata Timer! ships an update fortnightly, and Jab every 4 days. Most recently, iTabata Timer! was updated on November 2, 2026 and Jab on October 31, 2026.

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