# FlameInSound vs Quantum Frequency Technologies

The clearest difference is price: Quantum Frequency Technologies at Free against FlameInSound's $15.99. FlameInSound's advantage is in-app purchases (none vs 5) and review sentiment (75% vs 61%). On rating, ratings volume, update cadence and ads there is nothing between them.

Quantum Frequency Technologies is free to download; FlameInSound costs $15.99 up front. Quantum Frequency Technologies sells 5 one-off in-app purchases. FlameInSound asks for nothing beyond the download.

FlameInSound holds the better App Store score, 4.3 against 4.1. Both are backed by a comparable volume of ratings — 11 and 21 respectively. Written reviews point the same way: 75% of FlameInSound's written reviews are positive against 61% of Quantum Frequency Technologies's.

FlameInSound ships an update every 3 months, Quantum Frequency Technologies every 6 weeks. The most recent releases landed on September 9, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | FlameInSound | Quantum Frequency Technologies |
| --- | --- | --- |
| Price | $15.99 | **Free** |
| Rating | **[4.3 (11 ratings)](https://appshunter.io/ios/app/flameinsound/id1318635505/reviews)** | [4.1 (21 ratings)](https://appshunter.io/ios/app/quantum-frequency-technologies/id1461691519/reviews) |
| Number of ratings | 11 | **21** |
| Positive reviews | **75.0% of reviews** | 60.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 12 MB | 966 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Patrick Botte](https://appshunter.io/developer/1116818240) | [Seven7Sisters Prophecy LLC](https://appshunter.io/developer/1465825321) |

## What reviewers say

### FlameInSound

[App page](https://appshunter.io/ios/app/flameinsound/id1318635505)

This app uses binaural beats and sacred geometry sound waves to promote relaxation and meditation. It connects to heart rate sensors to display real-time influences of sound and breathing on your heart activity. It is not a medical device and does not offer diagnostic features.

**Highlights:** Binaural beat audio generator, Programmable beat frequencies (Mayer Wave/HRV LF), Sacred geometry sound waves, Real-time heart activity monitoring (via Polar strap), Bluetooth data reception and storage, Breathing influence on heart rate visualization

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is FlameInSound free?

FlameInSound costs $15.99, with no in-app purchases.

### Is Quantum Frequency Technologies free?

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

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

FlameInSound is rated higher. FlameInSound averages 4.3 out of 5 from 11 ratings, while Quantum Frequency Technologies averages 4.1 from 21 ratings.

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

Neither FlameInSound nor Quantum Frequency Technologies shows ads.

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

FlameInSound ships an update every 3 months, and Quantum Frequency Technologies every 6 weeks. Most recently, FlameInSound was updated on September 9, 2026 and Quantum Frequency Technologies on August 12, 2026.

---

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