# Jiu Jitsu Reference vs MatNotes

The clearest difference is update cadence: MatNotes at weekly against Jiu Jitsu Reference's monthly. MatNotes also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

Jiu Jitsu Reference ships an update monthly, MatNotes weekly. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Jiu Jitsu Reference | MatNotes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/matnotes-jiu-jitsu/id6789731505/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free |
| Size | 73 MB | 2 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eric Javier Hernandez Saura](https://appshunter.io/developer/1825081260) | [Jacob Weaver](https://appshunter.io/developer/6789731507) |

## What reviewers say

### Jiu Jitsu Reference

[App page](https://appshunter.io/ios/app/jiu-jitsu-reference/id6752857232)

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

**In-app purchases:** none


### MatNotes

[App page](https://appshunter.io/ios/app/matnotes-jiu-jitsu/id6789731505)

This app helps martial arts students retain techniques by providing a structured review schedule for short instructional videos. It allows students to ask coaches questions directly from videos and track their progress. Coaches can film techniques once and have them resurface for students on spaced repetition schedules.

**Highlights:** Spaced repetition for technique review, Video playback with slow-motion and looping, Timestamped questions for coaches, Private training notes and progress tracking, Searchable technique library for coaches, Academy branding

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Jiu Jitsu Reference free?

Jiu Jitsu Reference is free to download, with no in-app purchases.

### Is MatNotes free?

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

### Do Jiu Jitsu Reference or MatNotes have ads?

Neither Jiu Jitsu Reference nor MatNotes shows ads.

### Which is updated more often, Jiu Jitsu Reference or MatNotes?

Jiu Jitsu Reference ships an update monthly, and MatNotes weekly. Most recently, Jiu Jitsu Reference was updated on September 30, 2026 and MatNotes on October 7, 2026.

---

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