# MMH Calculator vs 3motionAI Pro

The clearest difference is update cadence: 3motionAI Pro at every 3 weeks against MMH Calculator's every 14 months. MMH Calculator's advantage is iOS requirement (12.0 vs 15). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for MMH Calculator against 5.0 for 3motionAI Pro. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

MMH Calculator ships an update every 14 months, 3motionAI Pro every 3 weeks. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | MMH Calculator | 3motionAI Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mmh-calculator/id448611745/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/3motionai-pro/id6474274059/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 144 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intergo B.V.](https://appshunter.io/developer/662032942) | [3MotionAI Inc.](https://appshunter.io/developer/1554912010) |

## What reviewers say

### MMH Calculator

[App page](https://appshunter.io/ios/app/mmh-calculator/id448611745)

Calculate recommended weight limits for lifting tasks using the revised NIOSH equation. This tool helps assess risks and suggests improvements for manual handling in various work situations. It's based on an internationally recognized method.

**Highlights:** Revised NIOSH lifting equation calculation, Recommended weight limit determination, Risk assessment for lifting tasks, Improvement suggestions for tasks, Applicable for working situations, Internationally established method

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is MMH Calculator free?

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

### Is 3motionAI Pro free?

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

### Which has better reviews, MMH Calculator or 3motionAI Pro?

MMH Calculator and 3motionAI Pro are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do MMH Calculator or 3motionAI Pro have ads?

Neither MMH Calculator nor 3motionAI Pro shows ads.

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

MMH Calculator ships an update every 14 months, and 3motionAI Pro every 3 weeks. Most recently, MMH Calculator was updated on November 1, 2026 and 3motionAI Pro on November 8, 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.*