199+ iOS apps curated and reviewed
The best niosh nle apps on iPhone average 4.1★ across 199+ titles — we've ranked them by what real users actually keep on their phones. Updated October 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 | 3.5★ (19) | No | No | Oct 2026 | |
| 4 |  | Free | 3.3★ (3) | No | No | Oct 2026 | |
| 5 |  | Free | 4.4★ (392) | No | Yes | Oct 2026 | |
| 6 |  | Free | 4.4★ (26) | No | No | Oct 2026 | |
| 7 |  | Free | — | No | Yes | Oct 2026 | |
| 8 |  | Free | 4.0★ (19) | No | Yes | Oct 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.
This app provides essential industrial hygiene data for 677 chemicals, helping workers and professionals identify and manage occupational hazards. It includes exposure limits, chemical identifiers, and search functionalities for quick access to critical safety information.
