# BolusSmart vs Breathing Timer

The clearest difference is ads: BolusSmart at none against Breathing Timer's shown. Breathing Timer's advantage is iOS requirement (15.1 vs 18.6). On price, update cadence, in-app purchases and device support there is nothing between them.

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

BolusSmart ships an update every 2 weeks, Breathing Timer every 10 days. The most recent releases landed on November 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BolusSmart | Breathing Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 14 MB | 26 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Guy Shaviv](https://appshunter.io/developer/301042830) | [Blas Prieto](https://appshunter.io/developer/1878084920) |

## What reviewers say

### BolusSmart

[App page](https://appshunter.io/ios/app/bolussmart/id6753620301)

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

**In-app purchases:** none


### Breathing Timer

[App page](https://appshunter.io/ios/app/breathing-timer-guided-calm/id6760383350)

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

**In-app purchases:** none


## Frequently asked questions

### Is BolusSmart free?

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

### Is Breathing Timer free?

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

### Do BolusSmart or Breathing Timer have ads?

Breathing Timer shows ads; BolusSmart does not.

### Which is updated more often, BolusSmart or Breathing Timer?

BolusSmart ships an update every 2 weeks, and Breathing Timer every 10 days. Most recently, BolusSmart was updated on November 6, 2026 and Breathing Timer on October 25, 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.*