# BioHackMe vs Karate AI

The clearest difference is in-app purchases: BioHackMe at none against Karate AI's 5. BioHackMe also leads on ads (none vs shown) and device support (4 vs 2). Karate AI's advantage is update cadence (every 5 days vs every 10 days). On price there is nothing between them.

Both are free to download. Karate AI sells 5 in-app purchases, starting at $7.99 per 7 days. BioHackMe asks for nothing beyond the download.

BioHackMe ships an update every 10 days, Karate AI every 5 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BioHackMe | Karate AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/biohackme/id6754960175/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 287 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mike Reavey](https://appshunter.io/developer/1845497070) | [David Pavlovschii](https://appshunter.io/developer/1854112110) |

## What reviewers say

### BioHackMe

[App page](https://appshunter.io/ios/app/biohackme/id6754960175)

Transform your health data into actionable insights with AI-powered analysis and personalized recommendations. Track key metrics, analyze meals via photos, and optimize your well-being with a privacy-first approach. Seamlessly integrates with Apple HealthKit and Oura Ring.

**Highlights:** Blood Pressure & Heart Rate monitoring, HRV & Sleep analysis, Photo-based meal analysis, Weekly health correlations, Personalized recommendations, Apple HealthKit Integration, Oura Ring metrics prioritization

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is BioHackMe free?

BioHackMe is free to download, with no in-app purchases.

### Is Karate AI free?

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

### Do BioHackMe or Karate AI have ads?

Karate AI shows ads; BioHackMe does not.

### Which is updated more often, BioHackMe or Karate AI?

BioHackMe ships an update every 10 days, and Karate AI every 5 days. Most recently, BioHackMe was updated on October 30, 2026 and Karate AI on October 31, 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.*