Comparison

Linear BJJ vs Ground CTRL

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

Head to head
About

Linear BJJ

Read full description

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

About

Ground CTRL

Upload your Brazilian Jiu-Jitsu rolls for AI-powered analysis. Get detailed feedback, personalized drills, and track your progress towards your next belt. Improve your skills between classes with precision coaching tailored to your performance.

Highlights
  • AI Roll Analysis
  • 7-section coaching breakdown
  • Personalized drills
  • Belt-level curriculum
  • Progress tracking
  • Strength & conditioning programming
Features
Read full description

Upload your rolls. Discover why you're losing. Ground CTRL is your personal BJJ coach that never misses your mistakes. Film your rolls, upload the footage, and get an AI-powered 7-section coaching breakdown with timestamps, techniques, and actionable feedback. The fastest way to improve between classes. HOW TO USE GROUND CTRL: Film your roll or competition match Answer a few quick questions about your roll — outcome, starting position, gi or no-gi, and what happened Upload the footage and let our AI analyze it in seconds Get a 7-section coaching breakdown — performance summary, positional analysis, submissions, transitions, defense, recommendations, and questions to ask your coach Use your personalized drills to sharpen your weak spots Most apps give you generic technique videos. Ground CTRL builds your coaching from YOUR rolls. Our AI doesn't just watch your footage — it breaks down every position, every transition, and every submission attempt to identify exactly what's holding you back. Then it gives you specific drills designed to fix it. This isn't random advice. It's precision coaching built from your actual rolling. Every session moves you closer to your next belt. Features: AI Roll Analysis — Upload videos and receive detailed 7-section breakdowns Belt-Level Curriculum — Structured lessons from white to black belt Progress Tracking — XP system, belt progression, and session logging Strength & Conditioning — Personalized programming tailored to grapplers Mental Game — Daily priorities to sharpen your focus on the mats CTRL Pro Subscription: 10 AI roll analyses per month $9.99/month or $79.99/year Additional analysis packs available Privacy Policy: https://ground-ctrl-policy.replit.app/privacy-policy/ Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Linear BJJ4 screens
Ground CTRL4 screens

Verdict

The call

The clearest difference is update cadence: Ground CTRL at weekly against Linear BJJ's fortnightly. On price, ads, in-app purchases 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. Linear BJJ sells 2 in-app purchases, starting at $29.99 per month and Ground CTRL sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Linear BJJ ships an update fortnightly, Ground CTRL weekly. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

Scorecard1 real difference · 9 level
Linear BJJ versus Ground CTRL: the parameters behind the verdict, then further details
ParameterLinear BJJGround CTRL
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size37 MB52 MB
Age rating4+4+
DeveloperGeneral Dev, LLCMichael DerGarabedian

In-app purchases

2 purchases

Linear BJJ

Subscriptions2
  • Linear BJJ Pro7 Days trial$29.991 Month
  • Linear BJJ Pro7 Days trial$199.991 Year
4 purchases

Ground CTRL

Subscriptions3
  • CTRL Pro Monthly$9.991 Month
  • CTRL Pro Annual - Special$49.991 Year
  • CTRL Pro Annual$69.991 Year
One-time1
  • 5 Extra Analyses$2.99

Questions

Is Linear BJJ free?
Linear BJJ is free to download, with in-app purchases available.
Is Ground CTRL free?
Ground CTRL is free to download, with in-app purchases available.
Do Linear BJJ or Ground CTRL have ads?
Neither Linear BJJ nor Ground CTRL shows ads.
Which is updated more often, Linear BJJ or Ground CTRL?
Linear BJJ ships an update fortnightly, and Ground CTRL weekly. Most recently, Linear BJJ was updated on September 24, 2026 and Ground CTRL on September 23, 2026.

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