# 3motionAI Pro vs HeadHigh

The clearest difference is in-app purchases: 3motionAI Pro at none against HeadHigh's 3. 3motionAI Pro also leads on update cadence (every 3 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HeadHigh sells 3 in-app purchases, starting at $3.99 per month. 3motionAI Pro asks for nothing beyond the download.

3motionAI Pro ships an update every 3 weeks, HeadHigh every 4 months. The most recent releases landed on September 19, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | 3motionAI Pro | HeadHigh |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/3motionai-pro/id6474274059/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 143 MB | 19 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [3MotionAI Inc.](https://appshunter.io/developer/1554912010) | [Luca Silverentand](https://appshunter.io/developer/896445917) |

## What reviewers say

### 3motionAI Pro

[App page](https://appshunter.io/ios/app/3motionai-pro/id6474274059)

Analyze human motion with advanced biomechanics technology using just your smartphone. Get real-time insights into range of motion and functional movement with easy-to-understand data visualizations and summary reports.

**Highlights:** Real-time motion tracking, Range of motion analysis, Functional movement scoring, Smartphone-only operation, Data visualizations, Summary reports, Science-driven insights

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

**In-app purchases:** none


### HeadHigh

[App page](https://appshunter.io/ios/app/headhigh/id6499446045)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HeadHigh+ Monthly | $3.99 | per month |
| HeadHigh+ Yearly | $17.99 | per year |
| HeadHigh+ Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is 3motionAI Pro free?

3motionAI Pro is free to download, with no in-app purchases.

### Is HeadHigh free?

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

### Do 3motionAI Pro or HeadHigh have ads?

Neither 3motionAI Pro nor HeadHigh shows ads.

### Which is updated more often, 3motionAI Pro or HeadHigh?

3motionAI Pro ships an update every 3 weeks, and HeadHigh every 4 months. Most recently, 3motionAI Pro was updated on September 19, 2026 and HeadHigh on May 16, 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.*