# Karate AI vs CornerBell Timer

The clearest difference is ads: CornerBell Timer at none against Karate AI's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Karate AI sells 5 in-app purchases, starting at $7.99 per 7 days and CornerBell Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Karate AI ships an update every 5 days, CornerBell Timer every 6 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Karate AI | CornerBell Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 6 days |
| Monetization | Free with in-app purchases | — |
| Size | 287 MB | 7 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [David Pavlovschii](https://appshunter.io/developer/1854112110) | [Kojiro Fujisaka](https://appshunter.io/developer/6782241864) |

## What reviewers say

### Karate AI

[App page](https://appshunter.io/ios/app/karate-ai-dojo-coach/id6759972525)

This AI-powered app analyzes your karate techniques, provides personalized feedback, and offers training plans. It helps you prepare for competitions and grading with features like video scoring, a chat coach, and a technique library.

**Highlights:** AI video analysis of kata, kumite, and kihon, Frame-by-frame feedback on technique, AI chat coach for karate questions, Competition countdown and tapering schedules, Personalized nutrition and weight management, Training log with RPE tracking, Technique library by belt level

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Yearly Offer | $29.99 | per year |
| 3 Months | $29.99 | per 3 months |
| Yearly | $49.99 | per year |
| Lifetime Access | $119.99 | one-time |


### CornerBell Timer

[App page](https://appshunter.io/ios/app/cornerbell-timer/id6785763230)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CornerBell Pro | $5.99 | one-time |


## Frequently asked questions

### Is Karate AI free?

Karate AI is free to download, with in-app purchases available.

### Is CornerBell Timer free?

CornerBell Timer is free to download, with in-app purchases available.

### Do Karate AI or CornerBell Timer have ads?

Karate AI shows ads; CornerBell Timer does not.

### Which is updated more often, Karate AI or CornerBell Timer?

Karate AI ships an update every 5 days, and CornerBell Timer every 6 days. Most recently, Karate AI was updated on October 25, 2026 and CornerBell Timer on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*