Comparison

Brain vs Kiro

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

Head to head
About

Brain

Features
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Brain-Jiu-Jitsu is a mobile application designed to help you manage your training in Brazilian Jiu-Jitsu by providing support tools to track your progress, analyze your performance, and reference skills and techniques in an intuitive Mind Map framework. Brazilian Jiu-Jitsu is a uniquely cerebral martial art that combines physical fitness and skill with intellectual challenges. Every opponent is a puzzle. Every roll is a test. Every detail matters. Brain-Jiu-Jitsu represents the cognitive aspect of the sport to help you train harder and smarter.

About

Kiro

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No matter your sports, get on the path to success with the most flexible app to follow and improve all your practice. Kiro is the first multi-sport coaching and sharing app designed to adapt to YOU - not the other way around. Discover a new way to train where enjoyment and consistency are the keys to achieving any goal. From planning to analyzing your sessions, Kiro helps you structure your training like a pro, track every activity, and stay motivated so you can make steady, lasting progress. - Bring all your sports together and track every activity - Organize and visualize your training like a pro - Stay motivated and hit your goals through joy and consistency - Build sustainable progress with a complete, varied practice - Give each sport the analysis it deserves and view your training as a whole - Take your training to the next level with sessions created by top athletes - Get support and inspiration from a community of athletes of all kinds

Screenshots

Brain4 screens
Kiro4 screens

Verdict

The call

Brain and Kiro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Brain ships an update every 6 weeks, Kiro every 2 months. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

ScorecardNo meaningful differences
Brain versus Kiro: the parameters behind the verdict, then further details
ParameterBrainKiro
PriceFreeFree
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size41 MB70 MB
Age rating4+4+
DeveloperKazuhiro MiyachiKiro Sports

In-app purchases

None

Brain

No in-app purchases

None

Kiro

No in-app purchases

Questions

Is Brain free?
Brain is free to download, with no in-app purchases.
Is Kiro free?
Kiro is free to download, with no in-app purchases.
Do Brain or Kiro have ads?
Neither Brain nor Kiro shows ads.
Which is updated more often, Brain or Kiro?
Brain ships an update every 6 weeks, and Kiro every 2 months. Most recently, Brain was updated on October 15, 2026 and Kiro on October 10, 2026.

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