# Zenith Breath vs Sloow

The clearest difference is in-app purchases: Zenith Breath at none against Sloow's 5. Sloow's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sloow sells 5 in-app purchases, starting at $0.99 per month. Zenith Breath asks for nothing beyond the download.

Zenith Breath ships an update every 6 weeks, Sloow every 3 weeks. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Zenith Breath | Sloow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 18 MB | 64 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Radu Zubascu](https://appshunter.io/developer/1061460905) | [Kevin Duchier](https://appshunter.io/developer/1855526890) |

## What reviewers say

### Zenith Breath

[App page](https://appshunter.io/ios/app/zenith-breath/id6758679840)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sloow

[App page](https://appshunter.io/ios/app/sloow/id6759012190)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sloow Free | $0.99 | per month |
| Sloow Encouragement | $2.99 | per month |
| Sloow Beta | $3.99 | per month |
| Sloow Support | $8.99 | per month |
| Sloow Full price | $17.99 | per month |


## Frequently asked questions

### Is Zenith Breath free?

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

### Is Sloow free?

Sloow is free to download, with in-app purchases available.

### Do Zenith Breath or Sloow have ads?

Neither Zenith Breath nor Sloow shows ads.

### Which is updated more often, Zenith Breath or Sloow?

Zenith Breath ships an update every 6 weeks, and Sloow every 3 weeks. Most recently, Zenith Breath was updated on October 25, 2026 and Sloow on October 14, 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.*