# High Frequency Highway vs Zero

High Frequency Highway and Zero both sit at 4.7 stars, but that hides the real split: 100% of Zero's written reviews are positive against 63% of High Frequency Highway's. Zero also leads on in-app purchases (none vs 10) and iOS requirement (15.0 vs 17.0). High Frequency Highway's advantage is ratings volume (695 vs 13). On price, rating, update cadence 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. Zero asks for nothing beyond the download.

Zero holds the better App Store score, 4.8 against 4.7. That said, the two scores are not equally well evidenced: High Frequency Highway has 695 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 63% of High Frequency Highway's written reviews are positive against 100% of Zero's.

High Frequency Highway ships an update every 2 weeks, Zero every 3 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | High Frequency Highway | Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (695 ratings)](https://appshunter.io/ios/app/high-frequency-highway/id1616225876/reviews) | **[4.8 (13 ratings)](https://appshunter.io/ios/app/zero-earth-citizen-playground/id6469034555/reviews)** |
| Number of ratings | **695** | 13 |
| Positive reviews | 63.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 209 MB | 193 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [J Johnson](https://appshunter.io/developer/1265627688) | [brainworldkorea](https://appshunter.io/developer/470829799) |

## What reviewers say

### High Frequency Highway

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

Explore a library of unique sounds and a binaural beat generator designed to enhance sleep, focus, and relaxation. This app guides 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, User-friendly interface, Stress relief, Emotional well-being

**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 |

**What reviewers like**

- 😌 Immediate stress relief
- 🧘‍♀️ Enhanced meditation and sleep
- 🎧 Comfortable and lightweight headphones
- ✨ Dynamic and therapeutic bone conduction sound
- 🎶 Great variety of sounds and frequencies

**What reviewers complain about**

- 💸 Subscription required for full features
- 🎧 Headphones uncomfortable for lying down
- 🔊 Some sounds are jarring or like noise
- 📱 App crashes randomly and is glitchy
- 🤔 Navigation can be confusing

**Reported bugs**

- App crashes randomly
- App is glitchy
- Headphones disconnect when using 'Read Your Frequency'
- Subscription not recognized after purchase
- App crashes immediately after opening

**Requested features**

- Offline mode
- Website/desktop version
- More content within specific categories (e.g., sleep, relief)
- Longer track options
- Ability to loop sounds


### Zero

[App page](https://appshunter.io/ios/app/zero-earth-citizen-playground/id6469034555)

Connect with others on a platform focused on health, happiness, and peace. Share lifestyles, engage in multilingual chats, and access unique energy-charging content. Discover healing items and audio content.

**Highlights:** Multilingual chat and translation, Energy charging content, Group and voice chat, Audio/video calls, Zoom meeting integration, Gift shop with healing items, Audiobooks and healing music

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

**In-app purchases:** none


## Frequently asked questions

### Is High Frequency Highway free?

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

### Is Zero free?

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

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

Zero is rated higher. High Frequency Highway averages 4.7 out of 5 from 695 ratings, while Zero averages 4.8 from 13 ratings.

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

Neither High Frequency Highway nor Zero shows ads.

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

High Frequency Highway ships an update every 2 weeks, and Zero every 3 weeks. Most recently, High Frequency Highway was updated on November 7, 2026 and Zero on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*