Mat Time Tracker vs Kimura
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mat Time Tracker
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Tracking martial arts attendance and more
Kimura
Log your Brazilian Jiu Jitsu techniques and training sessions. Organize your moves, connect them into flows, and visualize your game. Access lessons on stoicism and warrior spirit, and save techniques for later practice.
- Track Jiu Jitsu techniques
- Record BJJ sessions
- Access 100+ lessons
- Save techniques for later
- Link techniques into flows
- Visualize your game
- Add technique videos
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Track your BJJ techniques and sessions with Kimura. Keep everything organized, connected, and ready for your next roll. ◈ Track Jiu Jitsu techniques: Just finished class? Log your moves and notes instantly. ◈ Record your BJJ sessions: Track everything about how your roll went. ◈ Let us track your calories: We estimate your calories burned per session, and push it to Apple Health ◈ Save for later: Found a cool move online? Share from Instagram, TikTok, and YouTube directly into Kimura ◈ Link techniques: Connect your BJJ techniques into a seamless flow. ◈ Visualize your game: See how your moves fit together with a visual map/graph. ◈ Add videos: Embed YouTube clips to your techniques for quick reference and context. ◈ Categorize & search: Find the technique you need, fast. Perfect your moves. Track your progress. Dominate the mats. Download Kimura now and never forget a winning move again. Apple’s End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Mat Time Tracker at none against Kimura's 4. Mat Time Tracker also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support 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. Kimura sells 4 in-app purchases, starting at $9.99 per month. Mat Time Tracker asks for nothing beyond the download.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 26, 2026 and October 13, 2026 respectively.
| Parameter | Mat Time Tracker | Kimura |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (26 ratings) — better |
| Positive reviews | — | 61.9% of reviews |
| Number of ratings | — | 26 — better |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 11 MB | 102 MB |
| Age rating | 4+ | 12+ |
| Developer | Thomas Duffy | Aurelius Applications Inc. |
In-app purchases
Mat Time Tracker
No in-app purchases
Kimura
- Monthly$9.991 Month
- Annual (Free Trial)3 Days trial$69.991 Year
- Annual$69.991 Year
- Lifetime$69.99
