# NLE Calc vs ABG Authenticator

The clearest difference is iOS requirement: NLE Calc at 12.0 against ABG Authenticator's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

NLE Calc ships an update fortnightly, ABG Authenticator monthly. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | NLE Calc | ABG Authenticator |
| --- | --- | --- |
| 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** | Monthly |
| Monetization | Free | — |
| Size | 62 MB | 6 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [Arsenal Business Growth](https://appshunter.io/developer/1529179329) |

## 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


### ABG Authenticator

[App page](https://appshunter.io/ios/app/abg-authenticator/id6760732179)

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

**In-app purchases:** none


## Frequently asked questions

### Is NLE Calc free?

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

### Is ABG Authenticator free?

ABG Authenticator is free to download, with no in-app purchases.

### Do NLE Calc or ABG Authenticator have ads?

Neither NLE Calc nor ABG Authenticator shows ads.

### Which is updated more often, NLE Calc or ABG Authenticator?

NLE Calc ships an update fortnightly, and ABG Authenticator monthly. Most recently, NLE Calc was updated on October 17, 2026 and ABG Authenticator on October 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.*