Grappling AI vs Linear BJJ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grappling AI
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Track your BJJ training with voice. Just talk about your rolls — the AI extracts positions, techniques, and insights automatically. WHAT IT DOES • Record voice notes after training • AI transcribes and analyzes your rolls • Tracks positions, submissions, sweeps • Shows your stats and progress over time WHY VOICE? No typing in the locker room. Just talk naturally: "Started in closed guard, hit a scissor sweep, went for an armbar but he escaped..." PERFECT FOR • Tracking rolling sessions • Identifying patterns in your game • Remembering what you drilled • Seeing improvement over time Download now and never forget a training session again. Terms of Use: https://grapplingaiapp.com/terms.html
Linear BJJ
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Linear BJJ is an AI training journal for Brazilian jiu-jitsu athletes. Just talk to Linear's AI via voice or chat, talk about rounds, techniques, questions, injuries, and training goals in one place. Linear turns those notes into practical next steps: what to drill, what patterns keep showing up, and where your game needs attention. Use Linear BJJ to: - Capture training notes after class or open mat - Chat with an AI assistant about your game - Use voice mode when typing is too slow - Build a scorecard from your training history - Track progress across journal entries - Keep your goals, style, and preferences in memory Linear BJJ is not a medical device and does not diagnose, treat, cure, or prevent any medical condition. Talk with a qualified healthcare professional for medical advice, diagnosis, or treatment. Linear BJJ Pro includes AI chat, Voice AI, advanced BJJ tools, unlimited journal entries, athlete memory, and priority support. A subscription is required to use the app after signup. Start with a 14-day free trial. After the trial, Pro renews at $29.99/month or $199.99/year unless canceled before renewal. Manage or cancel your subscription in your App Store account settings. Terms of Use (EULA): https://www.linearbjj.com/terms Privacy Policy: https://www.linearbjj.com/privacy
Screenshots
Verdict
The clearest difference is ads: Linear BJJ at none against Grappling AI's shown. Grappling AI's advantage is update cadence (every 2 days vs fortnightly). On price, in-app purchases, device support and iOS requirement 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. Grappling AI sells 2 in-app purchases, starting at $3.99 per month and Linear BJJ sells 2 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.
Grappling AI ships an update every 2 days, Linear BJJ fortnightly. The most recent releases landed on October 28, 2026 and October 10, 2026 respectively.
| Parameter | Grappling AI | Linear BJJ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 38 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Grappling AI Ltd | General Dev, LLC |
In-app purchases
Grappling AI
- Standard Monthly$3.991 Month
- Standard Yearly$39.991 Year
Linear BJJ
- Linear BJJ Pro7 Days trial$29.991 Month
- Linear BJJ Pro7 Days trial$199.991 Year









