# BJJ Stopwatch vs SubMetrix

The clearest difference is monetization model: BJJ Stopwatch at free against SubMetrix's freemium. BJJ Stopwatch also leads on iOS requirement (16.2 vs 26.2). SubMetrix's advantage is ratings volume (6 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. BJJ Stopwatch sells 1 one-off in-app purchase and SubMetrix sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for BJJ Stopwatch against 5.0 for SubMetrix. That said, the two scores are not equally well evidenced: SubMetrix has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

BJJ Stopwatch ships an update weekly, SubMetrix every 4 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BJJ Stopwatch | SubMetrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/bjj-stopwatch/id6743998038/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/submetrix-jiu-jitsu-guide/id6765980744/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | **Free** | Freemium |
| Size | 61 MB | 19 MB |
| Requires iOS | **16.2** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DIOGO AUGUSTO OLIVEIRA](https://appshunter.io/developer/1805460839) | [Dane Chapman](https://appshunter.io/developer/1825216114) |

## What reviewers say

### BJJ Stopwatch

[App page](https://appshunter.io/ios/app/bjj-stopwatch/id6743998038)

This specialized timer app provides clear audio cues for training Brazilian Jiu-Jitsu. It features a user-friendly interface with large displays and dark mode, along with quick actions for pausing, resetting, and adjusting rounds. Ideal for practitioners, coaches, and academies seeking structured training sessions.

**Highlights:** Clear audio signals for round start/end, Configurable warning signals, Rest period indicators, Large, easy-to-read display, Dark mode support, Pause/Resume functionality, Quick round reset

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BJJ Stopwatch PRO Unlock | $4.99 | one-time |


### SubMetrix

[App page](https://appshunter.io/ios/app/submetrix-jiu-jitsu-guide/id6765980744)

This app helps Jiu-Jitsu practitioners track their training sessions, analyze their performance, and improve their skills. It provides detailed insights into submissions, positions, and weaknesses, offering tools like flow maps and flashcards to enhance learning and strategy.

**Highlights:** Track every roll with details, Analyze submissions and weaknesses, Visualize game flow and build plans, Improve knowledge with flashcards, AI companion for technique guidance, Performance analytics and data export

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SubMetrix Pro (Monthly) | $1.99 | per month |


## Frequently asked questions

### Is BJJ Stopwatch free?

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

### Is SubMetrix free?

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

### Which has better reviews, BJJ Stopwatch or SubMetrix?

BJJ Stopwatch and SubMetrix are both rated 5.0 out of 5 on the App Store, from 1 and 6 ratings respectively.

### Do BJJ Stopwatch or SubMetrix have ads?

Neither BJJ Stopwatch nor SubMetrix shows ads.

### Which is updated more often, BJJ Stopwatch or SubMetrix?

BJJ Stopwatch ships an update weekly, and SubMetrix every 4 days. Most recently, BJJ Stopwatch was updated on November 4, 2026 and SubMetrix on October 31, 2026.

---

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