# FlameInSound vs Bio

The clearest difference is price: Bio at Free against FlameInSound's $15.99. Bio also leads on rating (5.0 vs 4.3) and review sentiment (100% vs 67%). FlameInSound's advantage is update cadence (every 3 months vs every 8 months) and chart position (#105 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Bio is free to download; FlameInSound costs $15.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bio holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 11 and 3 respectively. Written reviews point the same way: 67% of FlameInSound's written reviews are positive against 100% of Bio's.

FlameInSound ships an update every 3 months, Bio every 8 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | FlameInSound | Bio |
| --- | --- | --- |
| Price | $15.99 | **Free** |
| Rating | [4.3 (11 ratings)](https://appshunter.io/ios/app/flameinsound/id1318635505/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/bio-well/id1508864740/reviews)** |
| Number of ratings | **11** | 3 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#105** | — |
| Size | 12 MB | 89 MB |
| Requires iOS | **9.3** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Patrick Botte](https://appshunter.io/developer/1116818240) | [Konstantin Semenov](https://appshunter.io/developer/1508864739) |

## What reviewers say

### FlameInSound

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

**Currently charting:** #105 Top Paid · Health & Fitness (US App Store)

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


### Bio

[App page](https://appshunter.io/ios/app/bio-well/id1508864740)

This application works with a specialized camera to provide quick analyses of a person's energy, stress levels, and overall balance. It offers an innovative approach to understanding well-being through express assessments.

**Highlights:** GDV camera integration, Human energy analysis, Stress level assessment, Balance express analysis, Innovative wellness tool

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FlameInSound free?

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

### Is Bio free?

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

### Which has better reviews, FlameInSound or Bio?

Bio is rated higher. FlameInSound averages 4.3 out of 5 from 11 ratings, while Bio averages 5.0 from 3 ratings.

### Do FlameInSound or Bio have ads?

Neither FlameInSound nor Bio shows ads.

### Which is updated more often, FlameInSound or Bio?

FlameInSound ships an update every 3 months, and Bio every 8 months. Most recently, FlameInSound was updated on October 26, 2026 and Bio on October 27, 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.*