# 3motionAI Pro vs The Posture Pension

The clearest difference is in-app purchases: 3motionAI Pro at none against The Posture Pension's 2. The Posture Pension's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. The Posture Pension sells 2 in-app purchases, starting at $6.99 per month. 3motionAI Pro asks for nothing beyond the download.

3motionAI Pro ships an update every 3 weeks, The Posture Pension every 4 days. The most recent releases landed on November 8, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | 3motionAI Pro | The Posture Pension |
| --- | --- | --- |
| 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 days** |
| Monetization | Free | — |
| Size | 144 MB | 45 MB |
| Requires iOS | **15** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [3MotionAI Inc.](https://appshunter.io/developer/1554912010) | [The Posture Pension LTD](https://appshunter.io/developer/1865444411) |

## What reviewers say

### 3motionAI Pro

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

Analyze human motion with advanced biomechanics insights using just your smartphone. Get real-time data on range of motion and functional movement, presented in easy-to-understand reports. This science-driven tool offers reliable insights for general fitness and athletic performance.

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

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

**In-app purchases:** none


### The Posture Pension

[App page](https://appshunter.io/ios/app/the-posture-pension/id6757227974)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| Yearly Subscription | $69.99 | per year |


## Frequently asked questions

### Is 3motionAI Pro free?

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

### Is The Posture Pension free?

The Posture Pension is free to download, with in-app purchases available.

### Do 3motionAI Pro or The Posture Pension have ads?

Neither 3motionAI Pro nor The Posture Pension shows ads.

### Which is updated more often, 3motionAI Pro or The Posture Pension?

3motionAI Pro ships an update every 3 weeks, and The Posture Pension every 4 days. Most recently, 3motionAI Pro was updated on November 8, 2026 and The Posture Pension on November 13, 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.*