# Z vs High Frequency Highway

The clearest difference is in-app purchases: Z at none against High Frequency Highway's 10. Z also leads on review sentiment (83% vs 59%). High Frequency Highway's advantage is update cadence (every 8 days vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. High Frequency Highway sells 10 in-app purchases, starting at $1.99 per 7 days. Z asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Z against 4.7 for High Frequency Highway. Both are backed by a comparable volume of ratings — 433 and 188 respectively. Written reviews are what separate them: 83% of Z's written reviews are positive against 59% of High Frequency Highway's.

Z ships an update every 2 months, High Frequency Highway every 8 days. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Z | High Frequency Highway |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (433 ratings)](https://appshunter.io/ios/app/z-app/id1509263287/reviews)** | [4.7 (188 ratings)](https://appshunter.io/ios/app/high-frequency-highway/id1616225876/reviews) |
| Number of ratings | **433** | 188 |
| Positive reviews | **83.3% of reviews** | 59.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 246 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Allt Hitt ehf](https://appshunter.io/developer/1509263286) | [J Johnson](https://appshunter.io/developer/1265627688) |

## 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


### High Frequency Highway

[App page](https://appshunter.io/ios/app/high-frequency-highway/id1616225876)

Utilize a curated library of sounds and a binaural beat generator to improve sleep, focus, and relaxation. This app aims to guide users toward higher states of awareness, promoting emotional well-being and inner peace through meditation and sound.

**Highlights:** Unique audios, Sleep sounds & melodies, Binaural beat generator, High Frequency Hub, Deep relaxation guidance

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BePositive Premium | $1.99 | per 7 days |
| Premium HF User | $6.99 | per month |
| Special offer 38% off | $59.99 | per year |
| One-time unlock of a paid creation. | $0.99 | one-time |
| Paid track | $0.99 | one-time |
| Unlock Paid Sound – $1.99 | $1.99 | one-time |
| Unlock Sound | $2.99 | one-time |
| Unlock Sound | $3.99 | one-time |
| paidplaylist | $9.99 | one-time |
| Septa Sync | $39.99 | one-time |


## Frequently asked questions

### Is Z free?

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

### Is High Frequency Highway free?

High Frequency Highway is free to download, with in-app purchases available.

### Which has better reviews, Z or High Frequency Highway?

Z is rated higher. Z averages 4.8 out of 5 from 433 ratings, while High Frequency Highway averages 4.7 from 188 ratings.

### Do Z or High Frequency Highway have ads?

Neither Z nor High Frequency Highway shows ads.

### Which is updated more often, Z or High Frequency Highway?

Z ships an update every 2 months, and High Frequency Highway every 8 days. Most recently, Z was updated on September 22, 2026 and High Frequency Highway on September 23, 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.*