# NLE Calc vs Master Lock® cLOTO™ Manager

The clearest difference is rating: Master Lock® cLOTO™ Manager at 5.0 against NLE Calc's 2.8. NLE Calc's advantage is update cadence (fortnightly vs every 4 months) and ratings volume (10 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Master Lock® cLOTO™ Manager holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 10 and 3 respectively.

NLE Calc ships an update fortnightly, Master Lock® cLOTO™ Manager every 4 months. The most recent releases landed on November 5, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | NLE Calc | Master Lock® cLOTO™ Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (10 ratings)](https://appshunter.io/ios/app/nle-calc/id1266403464/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/master-lock-cloto-manager/id6503617465/reviews)** |
| Number of ratings | **10** | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free | Free |
| Size | 62 MB | 17 MB |
| Requires iOS | **12.0** | 17.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [Master Lock Company, LLC.](https://appshunter.io/developer/417488857) |

## 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


### Master Lock® cLOTO™ Manager

[App page](https://appshunter.io/ios/app/master-lock-cloto-manager/id6503617465)

Digitally transform workplace safety with a connected lockout tagout solution. Streamline processes, assign and track procedures, and gain full traceability for enhanced accountability and efficiency.

**Highlights:** Digital procedure workflows, Assign and track procedures, Full traceability of procedure data, Real-time decision making, On-demand metrics for optimization, Digital tagging and hardware scanning

**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 Master Lock® cLOTO™ Manager free?

Master Lock® cLOTO™ Manager is free to download, with no in-app purchases.

### Which has better reviews, NLE Calc or Master Lock® cLOTO™ Manager?

Master Lock® cLOTO™ Manager is rated higher. NLE Calc averages 2.8 out of 5 from 10 ratings, while Master Lock® cLOTO™ Manager averages 5.0 from 3 ratings.

### Do NLE Calc or Master Lock® cLOTO™ Manager have ads?

Neither NLE Calc nor Master Lock® cLOTO™ Manager shows ads.

### Which is updated more often, NLE Calc or Master Lock® cLOTO™ Manager?

NLE Calc ships an update fortnightly, and Master Lock® cLOTO™ Manager every 4 months. Most recently, NLE Calc was updated on November 5, 2026 and Master Lock® cLOTO™ Manager on November 4, 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.*