250+ iOS apps curated and reviewed
The best lct50 apps on iPhone average 4.5★ across 250+ 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 | 5.0★ (6) | No | No | Aug 2026 | |
| 2 |  | Free | — | No | No | Jul 2026 | |
| 3 |  | Free | 4.9★ (52K) | No | No | Oct 2026 | |
| 4 |  | Free | — | Yes | No | May 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | — | No | No | Jul 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | 4.7★ (378) | No | No | Oct 2026 |
Calculate LCT50 times for chemical agent deployment missions. Define room dimensions, set time limits or munitions, and select specific agents to ensure team safety and mission success.
This app provides over 900 evidence-based medical calculators, risk scores, and clinical tools for healthcare professionals. It offers offline functionality, expert insights, and CME tracking to support patient care at the bedside. Tools are developed and validated by board-certified physicians.
