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RollData vs MatTime

MatTime is a full-featured BJJ training app with detailed technique tracking, a 4-stage mastery model, and a strong community. Often called "Strava for BJJ," it offers polished iOS and Android apps with extensive logging and analytics.

Feature Comparison

RollData
  • Session logging
  • Round-by-round detail
  • Technique tracking
  • Position-technique mapping
  • Partner tracking
  • Training calendar
  • Belt/promotion tracking
  • Custom technique library
  • Progress analytics
  • BJJ Skill Tree
  • Web-based (no install)
  • Mobile app
  • Offline support
  • Free tier
MatTime
  • Session logging
  • Round-by-round detail
  • Technique tracking
  • Position-technique mapping
  • Partner tracking
  • Training calendar
  • Belt/promotion tracking
  • Custom technique library
  • Progress analytics
  • BJJ Skill Tree
  • Web-based (no install)
  • Mobile app
  • Offline support
  • Free tier

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Key Differences

MatTime is a polished native app with social features and a growing BJJ community. If you want a mobile-first experience with a social feed, MatTime delivers.

RollData maps techniques to specific positions, so you can track which submissions you hit from guard versus mount, and spot patterns in your positional game over time.

RollData's BJJ Skill Tree automatically unlocks nodes as you train — a visual progression map across 6 zones that no other BJJ app offers. See your journey from fundamentals to advanced techniques.

RollData runs entirely in your browser with no app store required. Your data is accessible from any device, and you never have to wait for app updates.

The Verdict

Choose RollData if you want detailed tracking with features like position-technique mapping, bjj skill tree, web-based (no install). Choose MatTime if you prioritize mobile app and offline support. Both are solid options for BJJ practitioners — the right choice depends on how you prefer to track your training.

Frequently Asked Questions

Is RollData better than MatTime?
It depends on what you need. RollData offers features that MatTime doesn't, including Position-technique mapping, BJJ Skill Tree, Web-based (no install). MatTime has its own strengths, including Mobile app and Offline support. The best choice depends on your training goals.
Does MatTime track techniques by position?
While MatTime offers basic technique tracking, it does not map techniques to positions. RollData's position-technique mapping lets you see which techniques you use from each position, revealing patterns in your game.
Is RollData free?
Yes, RollData offers a generous free tier that includes session logging, the technique library, training calendar, partner tracking, and more. Pro features are available for practitioners who want advanced analytics and insights.

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Last updated: 2026-02-26