# Quantum Frequency Technologies vs Solfeggio

The clearest difference is rating: Solfeggio at 4.8 against Quantum Frequency Technologies's 4.1. Solfeggio also leads on review sentiment (75% vs 61%) and ratings volume (224 vs 21). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Quantum Frequency Technologies sells 5 one-off in-app purchases and Solfeggio sells 3 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Solfeggio holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Solfeggio has 224 ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 61% of Quantum Frequency Technologies's written reviews are positive against 75% of Solfeggio's.

Quantum Frequency Technologies ships an update every 6 weeks, Solfeggio monthly. The most recent releases landed on August 12, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Quantum Frequency Technologies | Solfeggio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (21 ratings)](https://appshunter.io/ios/app/quantum-frequency-technologies/id1461691519/reviews) | **[4.8 (224 ratings)](https://appshunter.io/ios/app/solfeggio-healing-frequencies/id6476548391/reviews)** |
| Number of ratings | 21 | **224** |
| Positive reviews | 60.6% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 966 MB | 119 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seven7Sisters Prophecy LLC](https://appshunter.io/developer/1465825321) | [Zhuzhou Yiqi Network Technology Co., Ltd.](https://appshunter.io/developer/1655498857) |

## What reviewers say

### Quantum Frequency Technologies

[App page](https://appshunter.io/ios/app/quantum-frequency-technologies/id1461691519)

This app offers sound healing tools and technologies designed to promote personal growth and meditation. It provides immersive soundscapes and guided journeys to help users access altered states of consciousness and expand their awareness. Experience enhanced sensory input and a deeper connection to your inner self.

**Highlights:** Sound healing frequency tools, Immersive soundscapes, Guided meditation journeys, Personalized meditation playlists, Brain wave entrainment, Holographic healing tools

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruby | Free | one-time |
| Turquoise | $19.99 | one-time |
| Amethyst | $29.99 | one-time |
| Luminescence | $49.99 | one-time |
| Emerald | $99.99 | one-time |


### Solfeggio

[App page](https://appshunter.io/ios/app/solfeggio-healing-frequencies/id6476548391)

Discover a world of sound designed for relaxation and inner peace. Explore curated frequencies, ambient soundscapes, and natural tones to calm your mind, enhance focus, and achieve a state of balance. Create your own unique sound environments with a built-in studio.

**Highlights:** Extensive library of frequency presets, Explore harmonic frequencies (e.g., 432Hz, 528Hz), Blend frequencies with nature sounds, Built-in sound studio for mixing, Minimal, calming interface, Supports mindfulness and meditation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heal Frequency Premium Monthly | $14.99 | per month |
| Heal Frequency Premium Annual | $34.99 | per year |
| HealFrequency Premium Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Quantum Frequency Technologies free?

Quantum Frequency Technologies is free to download, with in-app purchases available.

### Is Solfeggio free?

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

### Which has better reviews, Quantum Frequency Technologies or Solfeggio?

Solfeggio is rated higher. Quantum Frequency Technologies averages 4.1 out of 5 from 21 ratings, while Solfeggio averages 4.8 from 224 ratings.

### Do Quantum Frequency Technologies or Solfeggio have ads?

Neither Quantum Frequency Technologies nor Solfeggio shows ads.

### Which is updated more often, Quantum Frequency Technologies or Solfeggio?

Quantum Frequency Technologies ships an update every 6 weeks, and Solfeggio monthly. Most recently, Quantum Frequency Technologies was updated on August 12, 2026 and Solfeggio 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.*