# BJJ Diary: Jiu Jitsu Journal — Training Log, Notes & Tracker

> Training Log, Notes & Tracker (iPhone/iPad app by Northfield Studio.)

- Source: https://appshunter.io/ios/app/bjj-diary-jiu-jitsu-journal/id6757426076 (this page in markdown: same URL + `.md`)
- Developer: [Northfield Studio](https://appshunter.io/developer/1844151718)
- Category: Sports, Health & Fitness
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 41 MB
- Languages: American English, Japanese, Brazilian Portuguese
- Released: 2026-10-06
- Data updated: 2026-10-24

## What is BJJ Diary?

BJJ Diary - Track every practice. Level up your Jiu-Jitsu.

Journal
Log what you trained right after practice. Write freely about techniques you learned, rolling reflections, and key insights. View your full history at a glance on the calendar.

Notes
Save technique tips, question lists, and anything you want to revisit anytime. Pin important notes for instant access.

Drill List
Manage "what you want to work on next practice" as a checklist. Add YouTube links to review techniques on the go.

Competition Records
Log your tournament results. Track division and open-class performance, and filter by belt color or category to review your history.

Belt History
Record every promotion and look back on how far you've come.

Subscription
BJJ Diary Plus
Duration: Monthly, auto-renewing
Price: $1.99/month (price may vary by region)

Tag Management
Organize journal entries and notes with tags. Filter by technique or goal to quickly find what you're looking for.

Statistics
Visualize your monthly training days, competition results, and category breakdowns in graphs. Consistency becomes confidence.

Color Theme
Customize the app's color palette to match your mood or the season.

All data is stored locally on your device — no internet connection required. Record anytime, anywhere.
Your subscription automatically renews unless canceled at least 24 hours before the end of the current period. You can cancel anytime in your App Store settings.

Terms of Service (EULA):
https://jet-cirrus-ba2.notion.site/Terms-of-Service-BJJ-Diary-363e1463890f80cd9642d7947785e1fb

Privacy Policy:
https://jet-cirrus-ba2.notion.site/Privacy-Policy-BJJ-Diary-363e1463890f809e9158f1972f4aecd4

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 柔術日記 Plus | $1.99 | per month |


## Is BJJ Diary safe?

Not enough ratings yet to assess BJJ Diary.

## Is BJJ Diary legit?

BJJ Diary: Jiu Jitsu Journal has limited verification signals. The AppsHunter Legitimacy Score for BJJ Diary is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 1.4.0 — 2026-10-12

- A new home screen: your last entry fills the screen, with a week strip on top and a "Write today's entry" button at the bottom
- Search your journal
- Log Gi / No-Gi and how many rolls you did
- See this month's sessions and your weekly streak
- Export your records (Settings > Data)
- Competition and promotion days now show icons on the calendar
- Fixes for English and Portuguese text

### 1.3.1 — 2026-10-07

• The app now appears in English on devices set to languages other than Japanese or Portuguese
• Fixed dates that could be off by one day in some time zones
• Clearer message when there is no purchase to restore
• Stability improvements

### 1.3.0 — 2026-08-01

・Portuguese language support
・New tag management screen (rename and delete from Settings)
・Fixed month labels in stats and date display in competition records

### 1.2.4 — 2026-07-23

Minor improvements.

### 1.2.3 — 2026-07-20

・Improved diary saving so your notes are kept even if you close the screen quickly
・Minor improvements

## Apps similar to BJJ Diary

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Your BJJ](https://appshunter.io/ios/app/your-bjj/id6758383938) | — | Free | Sports |
| [RollQuant - 格闘技・柔術の練習記録＆分析](https://appshunter.io/ios/app/rollquant/id6775637350) | — | Free | Sports |
| [Brain-Jiu-Jitsu](https://appshunter.io/ios/app/brain-jiu-jitsu/id6477785304) | — | Free | Sports |
| [JiuFlow - BJJ Technique Map](https://appshunter.io/ios/app/jiuflow-bjj-technique-map/id6757831498) | — | Free | Sports |
| [BJJNote: BJJ Training Journal](https://appshunter.io/ios/app/bjjnote-bjj-training-journal/id6746068256) | 3.0 (1) | Free | Sports |
| [BJJ Techniques - Jiu Jitsu](https://appshunter.io/ios/app/bjj-techniques-jiu-jitsu/id6758881037) | 5.0 (1) | Free | Sports |

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-24.*