Easily record daily peak flow values and visualize breathing changes with clear graphs. Understand your asthma trends, identify early warning signs, and support your health management. Useful for medical visits and daily care.






194+ iOS apps curated and reviewed
Peak Flow Diary | Asthma is the household name in peak flow, but it's far from the only option. We track 194+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.7★ (35) | Yes | Yes | Oct 2026 | ||
| 2 | Free | 3.6★ (16) | Yes | No | Jul 2026 | ||
| 3 | Free | 4.9★ (28) | No | Yes | Oct 2026 | ||
| 4 | Free | — | No | No | May 2026 | ||
| 5 | Free | 2.0★ (62) | No | No | Sep 2026 | ||
| 6 | Free was $1.99 | — | No | No | Oct 2026 | ||
| 7 | Free | 4.0★ (1) | No | No | Aug 2026 | ||
| 8 | Free | 5.0★ (1) | No | Yes | May 2026 |






Easily record daily peak flow values and visualize breathing changes with clear graphs. Understand your asthma trends, identify early warning signs, and support your health management. Useful for medical visits and daily care.






This free app helps individuals with asthma and other lung diseases track their peak flow and symptoms. It offers simple logging, data visualization, and the ability to export records for physicians. It is not a peak flow meter itself but a diary for recording readings from a separate device.






This app helps asthmatics manage their condition by tracking peak flow, logging inhaler use, and categorizing readings into zones. It integrates with Apple Health for comprehensive data monitoring and prioritizes user privacy.