# Hematox vs Your Peak Flow

The clearest difference is update cadence: Your Peak Flow at monthly against Hematox's every 3 months. Your Peak Flow also leads on price ($2.99 vs $3.99) and iOS requirement (12.3 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

Hematox costs $3.99 and Your Peak Flow $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Hematox ships an update every 3 months, Your Peak Flow monthly. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Hematox | Your Peak Flow |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/your-peak-flow/id1544967818/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 30.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Paid |
| Size | 1 MB | 26 MB |
| Requires iOS | 16.0 | **12.3** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Pierre Chaillet](https://appshunter.io/developer/481949152) | [Suited Technologies GmbH](https://appshunter.io/developer/1564707135) |

## What reviewers say

### Hematox

[App page](https://appshunter.io/ios/app/hematox/id489752018)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Your Peak Flow

[App page](https://appshunter.io/ios/app/your-peak-flow/id1544967818)

This app serves as a digital asthma diary, securely storing your lung function values locally on your device. Easily export your data as an Excel file to share with your doctor. Set up to three daily reminders to ensure consistent tracking of your peak flow.

**Highlights:** Digital asthma diary, Local data storage, Excel data export, Doctor sharing option, Daily tracking reminders

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Hematox free?

Hematox costs $3.99, with no in-app purchases.

### Is Your Peak Flow free?

Your Peak Flow costs $2.99, with no in-app purchases.

### Do Hematox or Your Peak Flow have ads?

Neither Hematox nor Your Peak Flow shows ads.

### Which is updated more often, Hematox or Your Peak Flow?

Hematox ships an update every 3 months, and Your Peak Flow monthly. Most recently, Hematox was updated on September 22, 2026 and Your Peak Flow on September 21, 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.*