Comparison

GrappleDex vs iRoll BJJ

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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/

About

iRoll BJJ

Features
Read full description

Train smarter. Learn faster. iRoll BJJ is the ultimate journaling app built specifically for Brazilian Jiu Jitsu. Whether you’re a white belt learning the basics or a seasoned competitor refining your game, iRoll BJJ helps you capture your training in detail so you can progress with purpose. Key Features: Technique Logging Quickly record the techniques you learn in class or online — with notes, positions, transitions, and variations. Organized by Position Keep your notes structured by positions (guard, mount, side control, etc.) so you can easily find and review them later. Link Techniques to Positions Keep a library of possibilities so you never forget. Link sweeps, submissions, transitions, escapes — even if they are not part of your A-game. Add Media Document details visually with videos. You can even embed YouTube videos for reference. Visual Mind Map See how your personal game connects together with a bird’s-eye view. iRoll BJJ’s built-in mind map or Flowchart helps you visualize your own game and strategy. Training Session Tracker Log entire training sessions with your reflections, sparring outcomes, and key takeaways to track your growth over time. Why iRoll BJJ? Most generic note-taking apps aren’t built for the complexity of BJJ. iRoll BJJ is designed by and for grapplers — with the features you need to remember what you learn and actually apply it. Whether you're prepping for a comp, planning your next class, or reviewing that tricky sweep — iRoll BJJ keeps your jiu-jitsu sharp. Start training smarter today. Download iRoll BJJ and build your game, one technique at a time. View the End User Licence Agreement here - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

GrappleDex4 screens
iRoll BJJ4 screens

Verdict

The call

The clearest difference is iOS requirement: GrappleDex at 15.1 against iRoll BJJ's 18.1. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. GrappleDex sells 1 in-app purchase, starting at $2.99 per month and iRoll BJJ sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

GrappleDex ships an update monthly, iRoll BJJ every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 8 level
GrappleDex versus iRoll BJJ: the parameters behind the verdict, then further details
ParameterGrappleDexiRoll BJJ
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better18.1
Further details — not scored
Size69 MB13 MB
Age rating4+12+
DeveloperAoshen ZhouiRoll Ltd

In-app purchases

1 purchases

GrappleDex

Subscriptions1
  • GrappleDex Pro7 Days trial$2.991 Month
2 purchases

iRoll BJJ

Subscriptions2
  • iRoll BJJ Monthly$5.991 Month
  • iRoll BJJ Annual$49.991 Year

Questions

Is GrappleDex free?
GrappleDex is free to download, with in-app purchases available.
Is iRoll BJJ free?
iRoll BJJ is free to download, with in-app purchases available.
Do GrappleDex or iRoll BJJ have ads?
Neither GrappleDex nor iRoll BJJ shows ads.
Which is updated more often, GrappleDex or iRoll BJJ?
GrappleDex ships an update monthly, and iRoll BJJ every 3 weeks. Most recently, GrappleDex was updated on October 24, 2026 and iRoll BJJ on October 25, 2026.

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