# Green Pixel Clock vs Simple Breathwork

The clearest difference is in-app purchases: Green Pixel Clock at none against Simple Breathwork's 3. Green Pixel Clock also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.5). Simple Breathwork's advantage is update cadence (every 3 weeks vs every 8 months). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. Simple Breathwork sells 3 in-app purchases, starting at $4.99 per month. Green Pixel Clock asks for nothing beyond the download.

Green Pixel Clock ships an update every 8 months, Simple Breathwork every 3 weeks. The most recent releases landed on October 28, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Green Pixel Clock | Simple Breathwork |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simple-breathwork-slow/id6756886947/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 24 MB | 9 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [亚洁 吴](https://appshunter.io/developer/1843769232) | [James Butler](https://appshunter.io/developer/978686771) |

## What reviewers say

### Green Pixel Clock

[App page](https://appshunter.io/ios/app/green-pixel-clock/id6756564403)

This application offers a minimalist and smooth user experience, focusing on essential clock functionalities. It provides a clean interface for users who prefer simplicity and efficiency in their utility apps.

**Highlights:** Minimalist design, Smooth user experience, Essential clock functions, Clean interface

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

**In-app purchases:** none


### Simple Breathwork

[App page](https://appshunter.io/ios/app/simple-breathwork-slow/id6756886947)

This app offers a peaceful and focused breathing experience. Users can customize inhale, hold, and exhale durations, and set the number of breathing rounds. It provides a clear visual guide without distractions or sign-up requirements.

**Highlights:** Custom breathing durations, Clear visual countdown, Minimal, calming design, Instant start, no sign-up, Guided breathing rounds

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slow Pro Monthly | $4.99 | per month |
| Slow Pro Yearly | $19.99 | per year |
| Slow Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Green Pixel Clock free?

Green Pixel Clock is free to download, with no in-app purchases.

### Is Simple Breathwork free?

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

### Do Green Pixel Clock or Simple Breathwork have ads?

Neither Green Pixel Clock nor Simple Breathwork shows ads.

### Which is updated more often, Green Pixel Clock or Simple Breathwork?

Green Pixel Clock ships an update every 8 months, and Simple Breathwork every 3 weeks. Most recently, Green Pixel Clock was updated on October 28, 2026 and Simple Breathwork on October 22, 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.*