BJJ Diary vs SubmitKit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BJJ Diary
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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
SubmitKit
Easily save and organize BJJ technique videos from social media into a personal library. AI automatically tags each technique, allowing for quick searching and filtering to build and improve your grappling game.
- Import videos from Instagram and Facebook
- AI auto-tagging of techniques
- Full-text search of library
- Filter by technique tags
- Track drilled techniques
- Build personalized BJJ game
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You save the video. Then it disappears. Buried in Instagram saves. Lost in a folder you’ll never open. Gone by the time you actually need it. SubmitKit fixes that. In a few taps, you can import any BJJ technique video from Instagram or Facebook directly into your own personal library. No more scrolling back through months of saved posts. No more screenshot folders. No more forgetting that sweep you were obsessed with for a week. IMPORT IN SECONDS See a technique you love? Tap share, select SubmitKit, and open the app. Your video is in your library in seconds, tagged and ready whenever you are. AI TAGS EVERY TECHNIQUE AUTOMATICALLY You don’t have to organise anything. SubmitKit’s AI reads each video and tags it instantly — by technique type, position, gi or no-gi, and difficulty level. Every technique lands exactly where it belongs, without you lifting a finger. SEARCH YOUR ENTIRE LIBRARY Looking for everything you’ve saved from closed guard? Filter by position. Want no-gi submissions only? One tap. SubmitKit turns your growing collection into something you can actually navigate and use. BUILD YOUR GAME BJJ rewards people who know their game. Not a little of everything — a deep, connected set of techniques that work together. SubmitKit is where you build that. Import the techniques that suit your body type, your style, your goals. Review them before training. Track what you’ve drilled. Watch your game take shape. Whether you’ve just stepped on the mat for the first time or you’ve been training for a few years and want to get serious about your development — SubmitKit gives you a system. WHAT YOU GET • Import technique videos from Instagram and Facebook • AI auto-tagging by type, position, gi/no-gi, and difficulty • Full-text search across your entire library • Filter by any combination of tags • Mark techniques as drilled to track your progress • Clean, fast, dark interface built for grapplers 7-DAY FREE TRIAL Start your free 7-day trial when you’re ready — explore the full app, import as many techniques as you want, and see exactly what SubmitKit does for your game before you spend a cent. After your trial, SubmitKit is $6.99/month or save with an annual plan. Build Your Game. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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Verdict
The clearest difference is iOS requirement: BJJ Diary at 15.1 against SubmitKit's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. BJJ Diary sells 1 in-app purchase, starting at $1.99 per month and SubmitKit sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.
BJJ Diary ships an update every 10 days, SubmitKit weekly. Both last shipped on October 8, 2026.
| Parameter | BJJ Diary | SubmitKit |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 10 days | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 41 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Northfield Studio | JAYCO LIMITED LIABILITY COMPANY |
In-app purchases
BJJ Diary
- 柔術日記 Plus$1.991 Month
SubmitKit
- SubmitKit Pro7 Days trial$6.991 Month
- SubmitKit7 Days trial$47.991 Year







