# BJJ Belt Log vs MatSync

The clearest difference is update cadence: MatSync at every 3 weeks against BJJ Belt Log's every 17 months. On price, ads, in-app purchases and device support there is nothing between them.

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

BJJ Belt Log ships an update every 17 months, MatSync every 3 weeks. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | BJJ Belt Log | MatSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 weeks** |
| Size | 47 MB | 61 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Viziality LLC](https://appshunter.io/developer/1811570675) | [Tomasz Kacprzak](https://appshunter.io/developer/1443012783) |

## What reviewers say

### BJJ Belt Log

[App page](https://appshunter.io/ios/app/bjj-belt-log/id6745261161)

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

**In-app purchases:** none


### MatSync

[App page](https://appshunter.io/ios/app/matsync/id6755116264)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is BJJ Belt Log free?

BJJ Belt Log is free to download, with no in-app purchases.

### Is MatSync free?

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

### Do BJJ Belt Log or MatSync have ads?

Neither BJJ Belt Log nor MatSync shows ads.

### Which is updated more often, BJJ Belt Log or MatSync?

BJJ Belt Log ships an update every 17 months, and MatSync every 3 weeks. Most recently, BJJ Belt Log was updated on November 5, 2026 and MatSync on October 28, 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.*