# NLE Calc vs tros.ai

The clearest difference is iOS requirement: NLE Calc at 12.0 against tros.ai's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | NLE Calc | tros.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (10 ratings)](https://appshunter.io/ios/app/nle-calc/id1266403464/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 62 MB | 66 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [STROM Ergonomics Corp](https://appshunter.io/developer/1789846348) |

## What reviewers say

### NLE Calc

[App page](https://appshunter.io/ios/app/nle-calc/id1266403464)

This utility calculates the Recommended Weight Limit (RWL) and Lifting Index (LI) for single or multiple lifting tasks based on the NIOSH Lifting Equation. It helps assess physical stress to prevent low back musculoskeletal disorders.

**Highlights:** Calculates Recommended Weight Limit (RWL), Calculates Lifting Index (LI), Calculates Composite Lifting Index (CLI), Based on Revised NIOSH Lifting Equation, Assesses physical stress for lifting tasks

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

**In-app purchases:** none


### tros.ai

[App page](https://appshunter.io/ios/app/trosai/id6740414493)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NLE Calc free?

NLE Calc is free to download, with no in-app purchases.

### Is tros.ai free?

tros.ai is free to download, with no in-app purchases.

### Do NLE Calc or tros.ai have ads?

Neither NLE Calc nor tros.ai shows ads.

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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.*