# PetScale App vs BreathZen

The clearest difference is monetization model: PetScale App at free against BreathZen's free with in-app purchases. BreathZen's advantage is update cadence (weekly vs every 3 weeks). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for PetScale App against 5.0 for BreathZen. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

PetScale App ships an update every 3 weeks, BreathZen weekly. The most recent releases landed on September 24, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PetScale App | BreathZen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/petscale-app/id6760725889/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/breathzen/id6761292538/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 42 MB | 5 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Elizabeth Niederman](https://appshunter.io/developer/1879526310) | [松 李](https://appshunter.io/developer/1888498708) |

## What reviewers say

### PetScale App

[App page](https://appshunter.io/ios/app/petscale-app/id6760725889)

This app provides science-backed weight tracking for pets, calculating personalized healthy weight ranges based on species, breed, gender, and age. It offers tools and guidance for pets to reach and maintain their ideal weight, with features like progress charts and appointment reminders.

**Highlights:** Breed & profile-specific weight tracking, Weight history and progress charts, Personalized goal recommendations, Appointment reminders, Supports multiple pet species and breeds, Clean dashboard for weight and appointments

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

**In-app purchases:** none


### BreathZen

[App page](https://appshunter.io/ios/app/breathzen/id6761292538)

This app guides your breathing rhythm with gentle audio cues, allowing for practice with closed eyes or a locked screen. It offers several built-in patterns and customizable options for a personalized mindfulness experience.

**Highlights:** Audio-guided breathing rhythms, Closed-eye and locked-screen practice, Five built-in breathing patterns, Customizable inhale, exhale, and hold times, Practice by rounds or set duration, Offline functionality, Optional Apple Health integration

**Features:** Family Sharing, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PetScale App free?

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

### Is BreathZen free?

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

### Which has better reviews, PetScale App or BreathZen?

PetScale App and BreathZen are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do PetScale App or BreathZen have ads?

Neither PetScale App nor BreathZen shows ads.

### Which is updated more often, PetScale App or BreathZen?

PetScale App ships an update every 3 weeks, and BreathZen weekly. Most recently, PetScale App was updated on September 24, 2026 and BreathZen on October 2, 2026.

---

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