# AsthmaTuner vs Easy Peak Flow Diary

The clearest difference is ads: AsthmaTuner at none against Easy Peak Flow Diary's shown. AsthmaTuner also leads on update cadence (fortnightly vs every 13 months). Easy Peak Flow Diary's advantage is iOS requirement (11.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AsthmaTuner ships an update fortnightly, Easy Peak Flow Diary every 13 months. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | AsthmaTuner | Easy Peak Flow Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (16 ratings)](https://appshunter.io/ios/app/easy-peak-flow-diary/id1562094758/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 78.6% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 13 months |
| Monetization | — | Ad-supported |
| Size | 159 MB | 18 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Medituner AB](https://appshunter.io/developer/1125900928) | [Simon lebech Cichosz](https://appshunter.io/developer/428989569) |

## What reviewers say

### AsthmaTuner

[App page](https://appshunter.io/ios/app/asthmatuner/id1353823931)

**In-app purchases:** none


### Easy Peak Flow Diary

[App page](https://appshunter.io/ios/app/easy-peak-flow-diary/id1562094758)

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.

**Highlights:** Peak flow and symptom tracking, Data visualization and charting, Optional comments for entries, Data backup and export via email, No account or internet needed, Local data storage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AsthmaTuner free?

AsthmaTuner is free to download, with no in-app purchases.

### Is Easy Peak Flow Diary free?

Easy Peak Flow Diary is free to download, with no in-app purchases.

### Do AsthmaTuner or Easy Peak Flow Diary have ads?

Easy Peak Flow Diary shows ads; AsthmaTuner does not.

### Which is updated more often, AsthmaTuner or Easy Peak Flow Diary?

AsthmaTuner ships an update fortnightly, and Easy Peak Flow Diary every 13 months. Most recently, AsthmaTuner was updated on October 10, 2026 and Easy Peak Flow Diary on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*