The Mat Monster vs GrappleDex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Mat Monster
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Train smarter. Progress faster. The Mat Monster is your personal Brazilian Jiu-Jitsu training companion — a journal, strategy builder, and game planner built specifically for how real BJJ athletes train. Whether you’re a beginner trying to make sense of the chaos or a competitor refining your game, The Mat Monster helps you: Track your training — Log rolls, class takeaways, competition results, and breakthroughs in one searchable journal. Build your game plan — Create custom flowcharts from position to submission. Explore and refine your go-to paths. Log detailed competition metrics including wins, losses, weight class, match count, and overall placement. Save techniques that matter — Stop forgetting what you learn. Save techniques, categorize them by position, and add your own notes. See the big picture — Follow a belt-specific roadmap to stay focused and motivated at every stage of your journey. Visualize your progress — See your growth over time and stay accountable to your personal goals. This app isn’t about collecting techniques you’ll forget next week. It’s about committing the ones that matter to heart. The Mat Monster is designed by BJJ practitioners, for BJJ practitioners. Whether you train in the gi or no-gi, for fun or for the podium, this app gives you the tools to build your game with purpose. Feedback from testers has shaped everything — and we’re just getting started. Join now and help shape the next generation of jiu-jitsu training tools. Privacy Policy: https://thematmonster.com/legal#privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
GrappleDex
Log your Brazilian Jiu-Jitsu training sessions to track progress and understand your game. Set training focuses, review past sessions, and identify patterns in your techniques and positions. Stay consistent with reminders and weekly summaries.
- Log BJJ sessions with positions, techniques, and notes
- Tag sessions as Gi or No-Gi
- Search training history instantly
- Set session focus and track accountability
- Visualize progress with heatmaps and graphs
- Compare related sessions for pattern identification
- Weekly summaries and logging reminders
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GrappleDex is a Brazilian Jiu-Jitsu training journal built specifically for BJJ practitioners. Log your sessions, train with intention, and understand your game over time. Your sessions are private by default. Share the ones you want to the community feed and see what other grapplers are working on. Log BJJ Sessions in Seconds - Record positions, techniques, notes, duration, and session feedback - Attach photos from the mats - Instantly search your full training history - Review detailed sessions with notes and related training - Light and dark themes Share Your Training - A community feed of shared sessions from grapplers everywhere - Like sessions and see who liked yours - Tap anyone to see their belt, gym, training stats, and recent activity Train With Intention - Set a focus for your next session or training week - Stay accountable before and after class - Reflect on your focus as you log sessions - Review past focuses alongside your training calendar See Your Progress Clearly - Track sessions, hours, and training days - Discover your most trained positions and techniques - Visualize patterns with heatmaps and activity graphs - Spot strengths, gaps, and trends in your game Understand Your Game - Compare related sessions to identify recurring patterns - Keep notes, techniques, and positions organized in one place - Build a clearer picture of how you actually train Stay Consistent - Get reminders to log and reflect after training - Receive weekly summaries based on your activity - Build habits that support long-term improvement Unlock More With Pro - Create custom positions and techniques of your own - Support the continued development of GrappleDex Built for every BJJ practitioner; hobbyist, competitor, or coach. Whether you train for fitness, self-defense, or competition, GrappleDex helps you stay organized, train with purpose, and continuously improve in Brazilian Jiu-Jitsu. Website: https://grappledex.com/ Instagram: https://instagram.com/grappledex Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: GrappleDex at none against The Mat Monster's shown. The Mat Monster's advantage is update cadence (every 8 days vs monthly). 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. The Mat Monster sells 2 in-app purchases, starting at $19.99 per month and GrappleDex sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
The Mat Monster ships an update every 8 days, GrappleDex monthly. The most recent releases landed on September 25, 2026 and November 5, 2026 respectively.
| Parameter | The Mat Monster | GrappleDex |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 8 days — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 77 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | Justin Gonzales | Aoshen Zhou |
In-app purchases
The Mat Monster
- Mat Monster Premium – Monthly$19.991 Month
- Mat Monster Premium – Yearly$179.001 Year
GrappleDex
- GrappleDex Pro7 Days trial$2.991 Month








