# BJJLINK vs ChlngeAI

The clearest difference is rating: ChlngeAI at 5.0 against BJJLINK's 3.9. BJJLINK's advantage is monetization model (free vs freemium) and update cadence (weekly vs every 4 weeks). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ChlngeAI holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: BJJLINK has 14 ratings behind it against 1, so its average is the more settled of the two.

BJJLINK ships an update weekly, ChlngeAI every 4 weeks. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | BJJLINK | ChlngeAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (14 ratings)](https://appshunter.io/ios/app/bjjlink/id6743326231/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chlngeai/id6760449487/reviews)** |
| Number of ratings | **14** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 weeks |
| Monetization | **Free** | Freemium |
| Size | 37 MB | 58 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Mixed Martial Arts Group Limited](https://appshunter.io/developer/1607428631) | [Bravsca Software LLC](https://appshunter.io/developer/1884524181) |

## What reviewers say

### BJJLINK

[App page](https://appshunter.io/ios/app/bjjlink/id6743326231)

This app helps Jiu Jitsu practitioners track their training progress and manage their history. For students at affiliated academies, it also provides access to class schedules, announcements, and attendance tracking.

**Highlights:** Track training progress, Manage training history, View class schedules, Receive academy announcements, Track attendance

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

**In-app purchases:** none


### ChlngeAI

[App page](https://appshunter.io/ios/app/chlngeai/id6760449487)

This app generates personalized workouts and allows you to challenge friends to head-to-head competitions using the same session. It offers gym-speed logging and adapts workouts based on your feedback and limitations.

**Highlights:** AI-generated personalized workouts, Head-to-head friend challenges, Gym-speed logging with timers, Workout adaptation via chat (Pro), Injury and limitation training, Follow AI coach crews

**In-app purchases:** none


## Frequently asked questions

### Is BJJLINK free?

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

### Is ChlngeAI free?

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

### Which has better reviews, BJJLINK or ChlngeAI?

ChlngeAI is rated higher. BJJLINK averages 3.9 out of 5 from 14 ratings, while ChlngeAI averages 5.0 from 1 ratings.

### Do BJJLINK or ChlngeAI have ads?

Neither BJJLINK nor ChlngeAI shows ads.

### Which is updated more often, BJJLINK or ChlngeAI?

BJJLINK ships an update weekly, and ChlngeAI every 4 weeks. Most recently, BJJLINK was updated on October 11, 2026 and ChlngeAI on October 7, 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.*