Comparison

Chi Combat System vs RollJournal

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

Head to head
About

Chi Combat System

Features
Read full description

Welcome to the official Chi Combat System app – your all-in-one platform for managing your martial arts journey. Whether you're a student, parent, or part of our leadership team, the app gives you instant access to everything you need: - Book Classes Easily – Reserve your spot in kids, teens, or adults sessions - Track Progress – View belt level, badges earned, and feedback from instructors -Student Resources – Access technique tutorials, grading info, and training tips - Stay Updated – Get instant notifications on events, gradings, and important news - Shop Uniforms & Gear – Purchase directly through the app Join our growing community and take your training to the next level—with the Chi Combat System app in your pocket. Pil Seung! Chi Combat System Team

About

RollJournal

Log BJJ training sessions quickly, track progress, and gain AI-powered insights to improve your game. This app helps practitioners of all levels remember techniques, see growth, and train more effectively.

Highlights
  • Quick session logging
  • AI-powered insights
  • Progress tracking
  • Goal setting
  • Technique library
  • Apple Health integration
Read full description

RollJournal helps Brazilian Jiu-Jitsu practitioners train with intention and improve faster. Log your sessions in under 60 seconds, track what's working, and get AI-powered insights tailored to YOUR game. Whether you're a white belt building fundamentals or a black belt sharpening details: never forget what you learned, see your progress grow, and train smarter. WHO IS THIS FOR? Whether you're: - A competitor tracking camp progress before tournaments - A hobbyist wanting to remember what you learned - An instructor organizing curriculum and student engagement - A returning athlete rebuilding after time off - A beginner building your fundamentals systematically RollJournal adapts to YOUR journey. WHY ATHLETES USE ROLLJOURNAL Never forget what you learned - Capture techniques, rolls, partners, and key details in seconds. Your training history, searchable and organized. See your progress clearly - Track streaks, volume, technique effectiveness, and training patterns at a glance. Progress that's invisible becomes visible. Train with focus - Set goals (e.g., "Half-Guard Sweeps"), track attempts vs successes, and build your game systematically. Get AI-powered insights - Personalized coaching based on YOUR training patterns. Identify what's working, spot weaknesses, and get focused recommendations. Stay consistent - Smart reminders based on your habits—not annoying daily spam. Build the logging habit that accelerates improvement. CORE FEATURES Quick Logging - Date, gi/no-gi, techniques, rolls, partners, notes, rating - Log a session in under 60 seconds - Auto-save as you work Focus Areas & Favorites - Set training goals and track attempts → successes - Save your go-to techniques with notes and video links - Organize by category (guard, passes, submissions, etc.) - Pre-loaded technique library included AI Coach - 5 free coaching sessions (unlimited for Premium) - Personalized suggestions based on YOUR data - Identify patterns and weaknesses automatically Smart Stats & Insights - Recent activity, streaks, training volume - Technique effectiveness and partner diversity - Community comparisons (optional, anonymous) - Advanced analytics for Premium users Persona-Based Onboarding - Tailored setup for competitors, hobbyists, returning athletes, beginners - Explore with sample data before logging your first session Apple Health Integration (Optional) - Sync BJJ workouts to Apple Health (martial arts activity type) - Track active calories burned - No health data is read or collected from your device FREE VS PREMIUM Free Plan - Start Training Smarter Today - Unlimited class logs - 2 active focus areas - 5 favorites - 7 lifetime AI coaching sessions (total) - Essential stats & recent activity - Persona-based onboarding - Apple Health sync RollJournal Premium - Unlock Your Full Potential - Everything in Free, plus: - UNLIMITED active focus areas - UNLIMITED favorites with categories - UNLIMITED AI coaching (20 requests/day) - Advanced statistics (3M, 6M, 1Y, All time) - Deep analytics: technique trends, partner stats, training insights - Smart training notifications with full customization - Priority support SUBSCRIPTIONS & TERMS RollJournal Premium is an auto-renewing subscription: - Monthly: $5.99/month - Yearly: $59.99/year Subscriptions renew unless canceled at least 24 hours before the end of the period. Payment is charged to your Apple ID at confirmation. Manage or cancel in App Store account settings. Privacy Policy: https://www.rolljournal.com/privacypolicy Terms of Use: https://www.rolljournal.com/terms

Screenshots

Chi Combat System3 screens
RollJournal4 screens

Verdict

The call

The clearest difference is in-app purchases: Chi Combat System at none against RollJournal's 2. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. RollJournal sells 2 in-app purchases, starting at $5.99 per month. Chi Combat System asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

Scorecard1 real difference · 9 level
Chi Combat System versus RollJournal: the parameters behind the verdict, then further details
ParameterChi Combat SystemRollJournal
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.114.0 — better
Further details — not scored
Size389 MB69 MB
Age rating4+4+
DeveloperTym TosinMako Technology Labs

In-app purchases

None

Chi Combat System

No in-app purchases

2 purchases

RollJournal

Subscriptions2
  • RollJournal Premium (Monthly)$5.991 Month
  • RollJournal Premium (Yearly)$59.991 Year

Questions

Is Chi Combat System free?
Chi Combat System is free to download, with no in-app purchases.
Is RollJournal free?
RollJournal is free to download, with in-app purchases available.
Do Chi Combat System or RollJournal have ads?
Neither Chi Combat System nor RollJournal shows ads.
Which is updated more often, Chi Combat System or RollJournal?
Chi Combat System ships an update every 3 weeks, and RollJournal every 3 weeks. Most recently, Chi Combat System was updated on September 14, 2026 and RollJournal on September 9, 2026.

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