# Bellabee PRO vs Z

The clearest difference is rating: Z at 4.8 against Bellabee PRO's 4.1. Z also leads on review sentiment (83% vs 55%) and ratings volume (517 vs 19). Bellabee PRO's advantage is iOS requirement (11.0 vs 16.0). 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.

Z holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Z has 517 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 55% of Bellabee PRO's written reviews are positive against 83% of Z's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Bellabee PRO | Z |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (19 ratings)](https://appshunter.io/ios/app/bellabee-pro/id1386768358/reviews) | **[4.8 (517 ratings)](https://appshunter.io/ios/app/z-app/id1509263287/reviews)** |
| Number of ratings | 19 | **517** |
| Positive reviews | 54.5% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 13 MB | 17 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Implementacija snova Ltd](https://appshunter.io/developer/965222228) | [Allt Hitt ehf](https://appshunter.io/developer/1509263286) |

## What reviewers say

### Bellabee PRO

[App page](https://appshunter.io/ios/app/bellabee-pro/id1386768358)

This app uses brainwave entrainment technology to help you achieve desired mental states. It acts as a digital metronome, guiding your mind and body to work in harmony for stress relief, improved concentration, and better meditation.

**Highlights:** Brainwave entrainment technology, Digital metronome, State of mind selection, Stress relief, Concentration improvement, Meditation aid

**In-app purchases:** none


### Z

[App page](https://appshunter.io/ios/app/z-app/id1509263287)

Generate audio frequencies for personal wellness and experimental use. Explore over 1300 sequences for frequency-based practices on your mobile device. This app is for wellness exploration and is not a medical device.

**Highlights:** Rife frequency generator, Over 1300 sequences, Audio frequency generation, Wellness exploration, Mobile and tablet use

**In-app purchases:** none

**What reviewers like**

- 🚀 Amazing support for health
- 👍 Help that is accessible
- 🤯 Astounded me
- 📚 Comprehensive List!
- 💫 Love it!

**What reviewers complain about**

- 🐛 Frozen during session
- 🐛 Frozen
- 🐛 Doesn't stay on
- 🐛 Not working
- 🐛 Stopped playing sound

**Reported bugs**

- Freezing during session
- Stopping playback when interrupted
- Compatibility issues with newer OS
- Lack of TMJ frequency
- Unexpected volume adjustments

**Requested features**

- Sawtooth tone
- Multiple frequencies
- Play controls
- Dark mode
- Back button


## Frequently asked questions

### Is Bellabee PRO free?

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

### Is Z free?

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

### Which has better reviews, Bellabee PRO or Z?

Z is rated higher. Bellabee PRO averages 4.1 out of 5 from 19 ratings, while Z averages 4.8 from 517 ratings.

### Do Bellabee PRO or Z have ads?

Neither Bellabee PRO nor Z shows ads.

### Which is updated more often, Bellabee PRO or Z?

Bellabee PRO ships an update every 2 months, and Z every 2 months. Most recently, Bellabee PRO was updated on November 2, 2026 and Z on November 3, 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.*