# 3motionAI Pro vs Run AiK

The clearest difference is in-app purchases: 3motionAI Pro at none against Run AiK's 7. 3motionAI Pro also leads on iOS requirement (15 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Run AiK sells 7 in-app purchases, starting at $4.99 per month. 3motionAI Pro asks for nothing beyond the download.

3motionAI Pro ships an update every 3 weeks, Run AiK monthly. The most recent releases landed on September 19, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 3motionAI Pro | Run AiK |
| --- | --- | --- |
| 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** | Monthly |
| Monetization | Free | — |
| Size | 143 MB | 225 MB |
| Requires iOS | **15** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [3MotionAI Inc.](https://appshunter.io/developer/1554912010) | [AIKYNETIX LLC](https://appshunter.io/developer/1565394041) |

## 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


### Run AiK

[App page](https://appshunter.io/ios/app/run-aik/id6741048150)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $4.99 | per month |
| Pro | $19.99 | per month |
| Premium | $44.99 | per month |
| Basic | $53.99 | per year |
| Pro | $204.99 | per year |
| Premium | $439.99 | per year |
| Offline Processing | $1.99 | one-time |


## Frequently asked questions

### Is 3motionAI Pro free?

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

### Is Run AiK free?

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

### Do 3motionAI Pro or Run AiK have ads?

Neither 3motionAI Pro nor Run AiK shows ads.

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

3motionAI Pro ships an update every 3 weeks, and Run AiK monthly. Most recently, 3motionAI Pro was updated on September 19, 2026 and Run AiK on October 1, 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.*