# Asthma Diary Peak Flow Med Log vs Your PB Tracker

The clearest difference is price: Your PB Tracker at Free against Asthma Diary Peak Flow Med Log's $1.99. Your PB Tracker also leads on update cadence (every 6 days vs every 3 weeks). Asthma Diary Peak Flow Med Log's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 26.2). On ads and device support there is nothing between them.

Your PB Tracker is free to download; Asthma Diary Peak Flow Med Log costs $1.99 up front. Your PB Tracker sells 2 in-app purchases, starting at $1.99 per month. Asthma Diary Peak Flow Med Log asks for nothing beyond the download.

Asthma Diary Peak Flow Med Log ships an update every 3 weeks, Your PB Tracker every 6 days. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Asthma Diary Peak Flow Med Log | Your PB Tracker |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 26 MB | 7 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) | [Scott Neasham](https://appshunter.io/developer/1804042686) |

## What reviewers say

### Asthma Diary Peak Flow Med Log

[App page](https://appshunter.io/ios/app/asthma-diary-peak-flow-med-log/id6772425829)

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

**In-app purchases:** none


### Your PB Tracker

[App page](https://appshunter.io/ios/app/your-pb-tracker/id6804562360)

Track your running and walking personal bests, analyze workout splits, and monitor your gear mileage. Seamlessly integrates with Apple Health for actionable insights into your performance and shoe lifespan. Get notified before your shoes wear out to prevent injuries.

**Highlights:** Automatic personal best tracking, Detailed average splits and pace, Gear and shoe lifespan monitoring, 80% wear alerts for shoes, Apple Health integration, Privacy-first data storage

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Your PB Subscription (Monthly) | $1.99 | per month |
| Your PB Subscription (Yearly) | $14.99 | per year |


## Frequently asked questions

### Is Asthma Diary Peak Flow Med Log free?

Asthma Diary Peak Flow Med Log costs $1.99, with no in-app purchases.

### Is Your PB Tracker free?

Your PB Tracker is free to download, with in-app purchases available.

### Do Asthma Diary Peak Flow Med Log or Your PB Tracker have ads?

Neither Asthma Diary Peak Flow Med Log nor Your PB Tracker shows ads.

### Which is updated more often, Asthma Diary Peak Flow Med Log or Your PB Tracker?

Asthma Diary Peak Flow Med Log ships an update every 3 weeks, and Your PB Tracker every 6 days. Most recently, Asthma Diary Peak Flow Med Log was updated on October 31, 2026 and Your PB Tracker on November 1, 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.*