Comparison

Ground CTRL vs TKD Study

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

Head to head
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/

About

TKD Study

Master ITF Taekwondo with structured pattern training, theory study, and quizzes. Prepare for belt gradings, improve technique, and deepen your understanding of the art. Learn patterns step-by-step and track your progress through levels.

Highlights
  • Structured pattern training
  • Theory study and quizzes
  • Belt syllabus guidance
  • Korean terminology practice
  • Progress tracking
  • Grading preparation
Features
Read full description

Master ITF Taekwondo with structured pattern training, theory study, quizzes, and belt syllabus guidance. TKD Study is your complete ITF Taekwondo learning companion, designed for students and instructors preparing for belt gradings, improving technique, and deepening their understanding of the art. Whether you’re a beginner learning your first patterns or an advanced practitioner refining your grading preparation, TKD Study helps you train smarter, learn faster, and stay organised. Learn ITF Taekwondo the Structured Way Build confidence in your training with a clear, structured approach to ITF Taekwondo. Study official ITF Taekwondo patterns step by step Understand belt requirements and grading expectations Strengthen theory knowledge and Korean terminology Track your learning as you progress through levels Interactive Learning & Quizzing Reinforce your knowledge with interactive study tools designed for retention and recall. ITF Taekwondo theory quizzes Terminology and Korean language practice Pattern and sparring rule questions Historical and philosophical Taekwondo content Turn passive learning into active mastery. Belt Syllabus & Grading Preparation Prepare with confidence for your next belt test. Detailed breakdowns for each belt level Clear requirements for techniques and patterns Structured guidance for grading preparation Designed for both students and instructors Know exactly what to train for at every stage. Step-by-Step Pattern Support Improve precision and understanding of ITF Taekwondo patterns. Clear breakdown of movements and sequences Visual learning support for better technique recall Designed to support solo and guided training Deepen Your Taekwondo Knowledge Go beyond physical training and understand the art itself. Taekwondo philosophy and principles History of ITF Taekwondo Belt meaning and progression system Korean terminology explained Train Anytime, Anywhere TKD Study is built for real training environments — at home, in the dojang, or on the go. Stay consistent, stay structured, and keep improving no matter where you are. Build Better Taekwondo Habits Turn confusion into clarity and improve your progression with structured learning designed specifically for ITF practitioners. TKD Study is developed by Cyo Labs Privacy Policy: https://cyo-labs.web.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Ground CTRL4 screens
TKD Study4 screens

Verdict

The call

The clearest difference is ads: Ground CTRL at none against TKD Study's shown. On price, rating, ratings volume and update cadence 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. Ground CTRL sells 4 in-app purchases, starting at $9.99 per month and TKD Study sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Ground CTRL against 5.0 for TKD Study. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Ground CTRL ships an update weekly, TKD Study every 5 days. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

Scorecard1 real difference · 9 level
Ground CTRL versus TKD Study: the parameters behind the verdict, then further details
ParameterGround CTRLTKD Study
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings12 — better
Update frequencyWeeklyEvery 5 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.1 — better15.6
Further details — not scored
Size52 MB36 MB
Age rating4+4+
DeveloperMichael DerGarabedianLiam Tonge Nolan

Customer experience

Ground CTRL

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

TKD Study

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

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
2 purchases

TKD Study

Subscriptions1
  • TKD Study – Unlimited Multiplayer$4.991 Month
One-time1
  • Allow one change of your username$1.99

Questions

Is Ground CTRL free?
Ground CTRL is free to download, with in-app purchases available.
Is TKD Study free?
TKD Study is free to download, with in-app purchases available.
Which has better reviews, Ground CTRL or TKD Study?
Ground CTRL and TKD Study are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Ground CTRL or TKD Study have ads?
TKD Study shows ads; Ground CTRL does not.
Which is updated more often, Ground CTRL or TKD Study?
Ground CTRL ships an update weekly, and TKD Study every 5 days. Most recently, Ground CTRL was updated on October 9, 2026 and TKD Study on October 2, 2026.

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