# High Frequency Highway vs Klyva

The clearest difference is in-app purchases: Klyva at none against High Frequency Highway's 10. Klyva also leads on update cadence (every 4 days vs every 2 weeks) and iOS requirement (15.1 vs 17.0). High Frequency Highway's advantage is chart position (#198 vs unranked). On price, ads and device support 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. Klyva asks for nothing beyond the download.

High Frequency Highway ships an update every 2 weeks, Klyva every 4 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | High Frequency Highway | Klyva |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (673 ratings)](https://appshunter.io/ios/app/high-frequency-highway/id1616225876/reviews)** | — |
| Number of ratings | **673** | — |
| Positive reviews | 63.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#198** | — |
| Size | 209 MB | 38 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [J Johnson](https://appshunter.io/developer/1265627688) | [Legend Business Limited Liability Company](https://appshunter.io/developer/6795826194) |

## What reviewers say

### High Frequency Highway

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

**Currently charting:** #198 Top Grossing · Lifestyle (US App Store)

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


### Klyva

[App page](https://appshunter.io/ios/app/klyva-ingredient-scanner/id6795826192)

**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 Klyva free?

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

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

Neither High Frequency Highway nor Klyva shows ads.

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

High Frequency Highway ships an update every 2 weeks, and Klyva every 4 days. Most recently, High Frequency Highway was updated on November 3, 2026 and Klyva on October 24, 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.*