# Tabatach vs J

The clearest difference is price: J at Free against Tabatach's $1.99. J also leads on rating (5.0 vs 4.1) and update cadence (monthly vs every 6 months). Tabatach's advantage is ratings volume (54 vs 4). On ads, in-app purchases, monetization model and device support there is nothing between them.

J is free to download; Tabatach costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

J holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Tabatach has 54 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 74% of Tabatach's written reviews are positive against 100% of J's.

Tabatach ships an update every 6 months, J monthly. The most recent releases landed on September 26, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Tabatach | J |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.1 (54 ratings)](https://appshunter.io/ios/app/tabatach-interval-timer/id982434641/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/j-trainer/id1469085063/reviews)** |
| Number of ratings | **54** | 4 |
| Positive reviews | 74.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free | Free |
| Size | 12 MB | 19 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EUIHYUNG JUNG](https://appshunter.io/developer/1738352837) | [Heather Marriott](https://appshunter.io/developer/919616194) |

## What reviewers say

### Tabatach

[App page](https://appshunter.io/ios/app/tabatach-interval-timer/id982434641)

Create and manage personalized interval training routines for various fitness activities like HIIT, Tabata, and Crossfit. Utilize distinct whistle sounds and text-to-speech for clear workout guidance, allowing you to focus on your exercise.

**Highlights:** Customizable work and rest intervals, Personalized workout creation, Distinct whistle sounds for cues, Text-to-speech for exercise names, Pause and restart sessions, Visual screen flashes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and intuitive interface
- 🎨 Visually appealing design
- ⚙️ Highly customizable workouts
- 🗣️ Useful text-to-speech feature
- 🎵 Integrated music support

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🔇 Sound issues
- ⏳ Minimum rest time limitations
- 📱 Not optimized for older devices/screens
- 🚫 Lack of advanced features

**Reported bugs**

- Feedback button not working
- Music starts playing again after being muted
- App skipping exercises during a workout
- Timer freezes
- Audio won't play unless headphones are in

**Requested features**

- Sharing workouts with friends
- Repeating complete workout sets/circuits
- Adding workout motivation songs/rhythms
- Differentiating between music and countdown/announcement sounds
- Specifying number of times to run entire circuit


### J

[App page](https://appshunter.io/ios/app/j-trainer/id1469085063)

This app provides tools to structure your juggling practice sessions, including warm-up, practice, and cool-down routines. It features interval training for customized workouts and a talking timer for endurance practice, offering verbal feedback without needing to check your stopwatch.

**Highlights:** Structured practice routines (warm-up, practice, cool-down), Customizable interval training workouts, Talking timer for endurance practice, Verbal feedback for endurance contests, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tabatach free?

Tabatach costs $1.99, with no in-app purchases.

### Is J free?

J is free to download, with no in-app purchases.

### Which has better reviews, Tabatach or J?

J is rated higher. Tabatach averages 4.1 out of 5 from 54 ratings, while J averages 5.0 from 4 ratings.

### Do Tabatach or J have ads?

Neither Tabatach nor J shows ads.

### Which is updated more often, Tabatach or J?

Tabatach ships an update every 6 months, and J monthly. Most recently, Tabatach was updated on September 26, 2026 and J on June 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*