# BiorhythmΩ vs ZenBreakSleep

The clearest difference is price: ZenBreakSleep at Free against BiorhythmΩ's $0.99. ZenBreakSleep also leads on iOS requirement (13.0 vs 17.0). BiorhythmΩ's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

ZenBreakSleep is free to download; BiorhythmΩ costs $0.99 up front. ZenBreakSleep sells 1 in-app purchase, starting at $1.99 per month. BiorhythmΩ asks for nothing beyond the download.

## The numbers

| Metric | BiorhythmΩ | ZenBreakSleep |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.7 (498 ratings)](https://appshunter.io/ios/app/biorhythm/id433363390/reviews)** | — |
| Number of ratings | **498** | — |
| Positive reviews | 89.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 3 MB | 272 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jeonghwan Kim](https://appshunter.io/developer/429842114) | [TORU YAMAKAWA](https://appshunter.io/developer/1847331833) |

## What reviewers say

### BiorhythmΩ

[App page](https://appshunter.io/ios/app/biorhythm/id433363390)

This app calculates and displays your daily physical, emotional, intellectual, and intuitive biorhythms based on your birthday. It helps you understand your potential for stamina, judgment, and emotion, advising caution during low or dangerous periods. Analyze trends, manage multiple users, and share your biorhythm data.

**Highlights:** Daily biorhythm calculation, Physical, emotional, intellectual, intuitive rhythms, Graph and value display, Multi-user management, 31-day analysis and prediction, Biorhythm sharing, Average biorhythm calculation

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🌟 Accurate and reliable
- 👍 Easy to use and understand
- 🔍 Helpful for planning and self-awareness
- 💻 Great user interface
- 🤝 Useful for comparing with others

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 📱 Needs widget support
- 🔄 Difficulty determining critical days
- 🎨 Outdated or unappealing design

**Reported bugs**

- App not working on iPad
- Freezing or unresponsive on certain devices

**Requested features**

- Add more customization options
- Integrate with calendar/scheduling apps
- Provide more detailed analysis and insights
- Add support for multiple user profiles


### ZenBreakSleep

[App page](https://appshunter.io/ios/app/zenbreaksleep/id6767221260)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | per month |


## Frequently asked questions

### Is BiorhythmΩ free?

BiorhythmΩ costs $0.99, with no in-app purchases.

### Is ZenBreakSleep free?

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

### Do BiorhythmΩ or ZenBreakSleep have ads?

ZenBreakSleep shows ads; BiorhythmΩ does not.

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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.*