# Skill Tree vs Grappling AI

The clearest difference is monetization model: Grappling AI at free with in-app purchases against Skill Tree's subscription. Grappling AI also leads on update cadence (every 4 days vs every 6 weeks). Skill Tree's advantage is ads (none vs shown) and iOS requirement (15.6 vs 18.0). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Skill Tree sells 2 in-app purchases, starting at $1.99 per month and Grappling AI sells 5 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Skill Tree against 5.0 for Grappling AI. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Skill Tree ships an update every 6 weeks, Grappling AI every 4 days. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Skill Tree | Grappling AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/skill-tree/id6758092779/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/grappling-ai-mat-coach/id6758959145/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 58 MB | 225 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Byles](https://appshunter.io/developer/1767856053) | [David Pavlovschii](https://appshunter.io/developer/1854112110) |

## What reviewers say

### Skill Tree

[App page](https://appshunter.io/ios/app/skill-tree/id6758092779)

Visualize and strategize your Brazilian Jiu-Jitsu game with a custom mind map. Organize skills, highlight areas for focused training, and attach videos to moves. Progress faster by clearly mapping out your martial arts journey.

**Highlights:** Customizable mind map visualization, Color-coded skill categorization, Highlighting skills for deliberate training, Video attachment for moves, Progress tracking for BJJ game

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Yearly Plan | $14.99 | per year |


### Grappling AI

[App page](https://appshunter.io/ios/app/grappling-ai-mat-coach/id6758959145)

This app uses AI to analyze your grappling rolls from video, providing detailed feedback on techniques and progress. It also offers a chat coach for strategy, competition countdowns, nutrition plans, and a technique library.

**Highlights:** AI video analysis of rolls, Frame-by-frame technique feedback, AI chat coach for strategy, Competition countdown and tapering schedule, Personalized nutrition and weight management, Training log with RPE tracking, Technique library with progress tracking

**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 Skill Tree free?

Skill Tree is free to download, with in-app purchases available.

### Is Grappling AI free?

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

### Which has better reviews, Skill Tree or Grappling AI?

Skill Tree and Grappling AI are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Skill Tree or Grappling AI have ads?

Grappling AI shows ads; Skill Tree does not.

### Which is updated more often, Skill Tree or Grappling AI?

Skill Tree ships an update every 6 weeks, and Grappling AI every 4 days. Most recently, Skill Tree was updated on October 11, 2026 and Grappling AI on October 25, 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.*