# Your Peak Flow vs Valve PPM

The clearest difference is review sentiment: Valve PPM at 100% against Your Peak Flow's 29%. Valve PPM also leads on price (Free vs $2.99) and rating (5.0 vs 2.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Valve PPM is free to download; Your Peak Flow costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Valve PPM holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 29% of Your Peak Flow's written reviews are positive against 100% of Valve PPM's.

Your Peak Flow ships an update every 6 weeks, Valve PPM every 2 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Your Peak Flow | Valve PPM |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/your-peak-flow/id1544967818/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/valve-ppm/id1604258260/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 28.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 41 MB | 37 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Suited Technologies GmbH](https://appshunter.io/developer/1564707135) | [KRUTSCH](https://appshunter.io/developer/1454678018) |

## What reviewers say

### 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:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Valve PPM

[App page](https://appshunter.io/ios/app/valve-ppm/id1604258260)

This tool assists medical professionals in assessing implanted prosthetic cardiac valves. It offers guidance for checking existing valve function and selecting the optimal valve before implantation based on patient and prosthesis parameters.

**Highlights:** Assess implanted valve function, Select optimal valve before implantation, Analyze patient and prosthesis parameters, Identify potential patient-prosthesis mismatch, Determine intrinsic prosthesis dysfunction

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

**In-app purchases:** none


## Frequently asked questions

### Is Your Peak Flow free?

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

### Is Valve PPM free?

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

### Which has better reviews, Your Peak Flow or Valve PPM?

Valve PPM is rated higher. Your Peak Flow averages 2.0 out of 5 from 1 ratings, while Valve PPM averages 5.0 from 3 ratings.

### Do Your Peak Flow or Valve PPM have ads?

Neither Your Peak Flow nor Valve PPM shows ads.

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

Your Peak Flow ships an update every 6 weeks, and Valve PPM every 2 months. Most recently, Your Peak Flow was updated on October 29, 2026 and Valve PPM on October 30, 2026.

---

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