# Z vs Solfeggio Frequencies

The clearest difference is rating: Z at 4.8 against Solfeggio Frequencies's 3.0. Z also leads on in-app purchases (none vs 2) and ratings volume (516 vs 2). Solfeggio Frequencies's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Solfeggio Frequencies sells 2 in-app purchases, starting at $5.99 per year. Z asks for nothing beyond the download.

Z holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Z has 516 ratings behind it against 2, so its average is the more settled of the two.

Z ships an update every 2 months, Solfeggio Frequencies every 2 weeks. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Z | Solfeggio Frequencies |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (516 ratings)](https://appshunter.io/ios/app/z-app/id1509263287/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/solfeggio-frequencies-chakra/id6743187164/reviews) |
| Number of ratings | **516** | 2 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 233 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Allt Hitt ehf](https://appshunter.io/developer/1509263286) | [Matthieu Ouin](https://appshunter.io/developer/1745137419) |

## What reviewers say

### 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


### Solfeggio Frequencies

[App page](https://appshunter.io/ios/app/solfeggio-frequencies-chakra/id6743187164)

Explore the healing power of Solfeggio frequencies with customizable soundscapes. Blend pure tones, nature sounds, and music to support emotional release, focus, and spiritual connection. Track your progress with a built-in streak tracker.

**Highlights:** Explore 9 Solfeggio frequencies, Create personalized soundscapes, Mix pure tones, nature sounds, and music, Set session timers, Built-in streak tracker, Customizable ambiance options

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited | $5.99 | per year |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Z free?

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

### Is Solfeggio Frequencies free?

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

### Which has better reviews, Z or Solfeggio Frequencies?

Z is rated higher. Z averages 4.8 out of 5 from 516 ratings, while Solfeggio Frequencies averages 3.0 from 2 ratings.

### Do Z or Solfeggio Frequencies have ads?

Neither Z nor Solfeggio Frequencies shows ads.

### Which is updated more often, Z or Solfeggio Frequencies?

Z ships an update every 2 months, and Solfeggio Frequencies every 2 weeks. Most recently, Z was updated on October 29, 2026 and Solfeggio Frequencies on October 8, 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.*