# Breathing Timer B vs Pet BMI Calculator

The clearest difference is iOS requirement: Pet BMI Calculator at 13.0 against Breathing Timer B's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Breathing Timer B ships an update every 9 days, Pet BMI Calculator weekly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Breathing Timer B | Pet BMI Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 105 MB | 22 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Kraanen](https://appshunter.io/developer/1802149999) | [Stefanus van de Wetering](https://appshunter.io/developer/1883002799) |

## What reviewers say

### Breathing Timer B

[App page](https://appshunter.io/ios/app/breathing-timer-b-mind/id6758588613)

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

**In-app purchases:** none


### Pet BMI Calculator

[App page](https://appshunter.io/ios/app/pet-bmi-calculator/id6760181369)

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

**In-app purchases:** none


## Frequently asked questions

### Is Breathing Timer B free?

Breathing Timer B is free to download, with no in-app purchases.

### Is Pet BMI Calculator free?

Pet BMI Calculator is free to download, with no in-app purchases.

### Do Breathing Timer B or Pet BMI Calculator have ads?

Neither Breathing Timer B nor Pet BMI Calculator shows ads.

### Which is updated more often, Breathing Timer B or Pet BMI Calculator?

Breathing Timer B ships an update every 9 days, and Pet BMI Calculator weekly. Most recently, Breathing Timer B was updated on October 25, 2026 and Pet BMI Calculator on October 31, 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.*