174+ iOS apps curated and reviewed
The best niosh nle apps on iPhone average 3.9★ across 174+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 2.8★ (10) | No | No | Aug 2026 | |
| 2 |  | Free | 4.7★ (17K) | No | No | Oct 2026 | |
| 3 |  | Free | 4.6★ (36K) | No | Yes | Oct 2026 | |
| 4 |  | Free | 3.3★ (3) | No | No | Sep 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | — | Yes | No | May 2026 | |
| 7 |  | Free | 3.5★ (19) | No | No | Aug 2026 | |
| 8 |  | Free | 2.6★ (314) | No | No | 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.
Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.
