249+ iOS apps curated and reviewed
Looking for free nle calc apps? 20 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 2.8★ (10) | No | No | Aug 2026 | |
| 2 |  | Free | — | No | Yes | May 2026 | |
| 3 |  | Free | 4.7★ (17K) | No | No | Sep 2026 | |
| 4 |  | Free | 4.8★ (1.9K) | Yes | No | Sep 2026 | |
| 5 |  | Free | 4.6★ (4.7K) | Yes | Yes | Sep 2026 | |
| 6 |  | Free | — | Yes | No | May 2026 | |
| 7 |  | Free | 4.7★ (1.8K) | No | Yes | Sep 2026 | |
| 8 |  | Free was $0.99 | — | No | Yes | Sep 2026 |
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.
This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.
