# MatTimer vs Jiu

The clearest difference is in-app purchases: MatTimer at none against Jiu's 3. MatTimer also leads on update cadence (weekly vs monthly). Jiu's advantage is iOS requirement (15.0 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Jiu sells 3 in-app purchases, starting at $1.99 per month. MatTimer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for MatTimer against 5.0 for Jiu. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

MatTimer ships an update weekly, Jiu monthly. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | MatTimer | Jiu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mattimer-countdown/id6445810673/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/jiu-jitsu-app/id6759346698/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 93.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 286 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Ravil Khusainov](https://appshunter.io/developer/1673921808) | [Cshield - Seu escudo para compras e finanças](https://appshunter.io/developer/1867860469) |

## What reviewers say

### MatTimer

[App page](https://appshunter.io/ios/app/mattimer-countdown/id6445810673)

This app provides a customizable timer designed for combat sports like Jiu-Jitsu and MMA. It helps athletes track training and rest periods, allowing them to focus on improving their skills. It's a simple yet essential tool for practitioners of all levels.

**Highlights:** Jiu-Jitsu and MMA timer, Track roll time, Track rest time, Customizable settings, Clear display

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Jiu

[App page](https://appshunter.io/ios/app/jiu-jitsu-app/id6759346698)

Connect with the Jiu-Jitsu community, track your progress, and enhance your skills with AI-powered analysis. Features include personalized technique suggestions, video breakdown of rolls, and a social network for practitioners.

**Highlights:** AI-powered virtual coach (BJJ GPT), Intelligent video analysis of rolls, IBJJF scoring and technical feedback, Progress tracking towards next belt, Social network for athletes and academies, Smart search for practitioners and gyms

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly BJJ | $1.99 | per month |
| Premium Annual BJJ | $14.99 | per year |
| Premium Business BJJ | $99.99 | per month |


## Frequently asked questions

### Is MatTimer free?

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

### Is Jiu free?

Jiu is free to download, with in-app purchases available.

### Which has better reviews, MatTimer or Jiu?

MatTimer and Jiu are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do MatTimer or Jiu have ads?

Neither MatTimer nor Jiu shows ads.

### Which is updated more often, MatTimer or Jiu?

MatTimer ships an update weekly, and Jiu monthly. Most recently, MatTimer was updated on October 8, 2026 and Jiu on October 12, 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.*