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★ (36) | Yes | Yes | Nov 2026 | ||
| 2 | Free | 3.0★ (1) | No | Yes | Oct 2026 | ||
| 3 | Free | 3.7★ (18) | Yes | No | Oct 2026 | ||
| 4 | Free | 4.9★ (32) | No | Yes | Oct 2026 | ||
| 5 | Free | 1.9★ (76) | No | No | Oct 2026 | ||
| 6 | Free | — | No | No | Oct 2026 | ||
| 7 | Free | 4.0★ (1) | No | No | Nov 2026 | ||
| 8 | Free | — | No | No | 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.






Record your peak flow readings and visualize your asthma zones. Log reliever puffs, symptoms, and triggers to track trends and generate PDF reports for your doctor. Your data stays private and works offline.






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.