# BioS Vitalium vs Rhythm LightScore

The clearest difference is in-app purchases: Rhythm LightScore at none against BioS Vitalium's 1. Rhythm LightScore also leads on update cadence (every 4 days vs every 2 weeks). BioS Vitalium's advantage is iOS requirement (15.0 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. BioS Vitalium sells 1 in-app purchase, starting at $119.99 per year. Rhythm LightScore asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for BioS Vitalium against 5.0 for Rhythm LightScore. Both are backed by a comparable volume of ratings — 4 and 5 respectively.

BioS Vitalium ships an update every 2 weeks, Rhythm LightScore every 4 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | BioS Vitalium | Rhythm LightScore |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/bios-vitalium/id6450689388/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/rhythm-lightscore/id6799837500/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 29 MB | 26 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Bios Vitalium LLC](https://appshunter.io/developer/1694425554) | [Rhythm Innovations, Inc.](https://appshunter.io/developer/6799837502) |

## What reviewers say

### BioS Vitalium

[App page](https://appshunter.io/ios/app/bios-vitalium/id6450689388)

Learn an ancient Qigong healing practice to develop and transfer bio-energy for healing others. Access step-by-step training videos, secret tips, and track your energy abilities.

**Highlights:** Step-by-step training method, Access training videos, Secret tips, Track energy abilities, Verify energy abilities

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $119.99 | per year |


### Rhythm LightScore

[App page](https://appshunter.io/ios/app/rhythm-lightscore/id6799837500)

This app provides a daily "LightScore" based on your exposure to daylight, its consistency, and your pre-bedtime phone use. It offers insights into your light habits and suggests improvements for better well-being.

**Highlights:** Daily LightScore out of 100, Measures Light Time, Consistency, and Dark Time, Integrates with Apple Watch Health data, Uses phone camera as a light meter, Visualizes daily progress with Sol character, Sunset photo capture and sharing

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BioS Vitalium free?

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

### Is Rhythm LightScore free?

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

### Which has better reviews, BioS Vitalium or Rhythm LightScore?

BioS Vitalium and Rhythm LightScore are both rated 5.0 out of 5 on the App Store, from 4 and 5 ratings respectively.

### Do BioS Vitalium or Rhythm LightScore have ads?

Neither BioS Vitalium nor Rhythm LightScore shows ads.

### Which is updated more often, BioS Vitalium or Rhythm LightScore?

BioS Vitalium ships an update every 2 weeks, and Rhythm LightScore every 4 days. Most recently, BioS Vitalium was updated on November 3, 2026 and Rhythm LightScore on November 6, 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.*