# Calmaria vs Rhythm LightScore

The clearest difference is update cadence: Rhythm LightScore at every 4 days against Calmaria's every 7 months. Rhythm LightScore also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 88%). Calmaria's advantage is ratings volume (48 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Rhythm LightScore holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Calmaria has 48 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 88% of Calmaria's written reviews are positive against 100% of Rhythm LightScore's.

Calmaria ships an update every 7 months, Rhythm LightScore every 4 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Calmaria | Rhythm LightScore |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (48 ratings)](https://appshunter.io/ios/app/calmaria/id1523108871/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/rhythm-lightscore/id6799837500/reviews)** |
| Number of ratings | **48** | 5 |
| Positive reviews | 88.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 6 MB | 26 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 9+ | 4+ |
| Developer | [Steale LLC](https://appshunter.io/developer/1523108873) | [Rhythm Innovations, Inc.](https://appshunter.io/developer/6799837502) |

## What reviewers say

### Calmaria

[App page](https://appshunter.io/ios/app/calmaria/id1523108871)

This app guides you through mindful breathing exercises to promote focus, relaxation, and balance. It offers personalized themes, detailed progress tracking, and syncs seamlessly between iPhone and Apple Watch.

**Highlights:** Mindful breathing exercises, Personalized themes, Detailed statistics, HealthKit integration, iPhone and Apple Watch sync

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

**In-app purchases:** none


### 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 Calmaria free?

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

### Is Rhythm LightScore free?

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

### Which has better reviews, Calmaria or Rhythm LightScore?

Rhythm LightScore is rated higher. Calmaria averages 4.7 out of 5 from 48 ratings, while Rhythm LightScore averages 5.0 from 5 ratings.

### Do Calmaria or Rhythm LightScore have ads?

Neither Calmaria nor Rhythm LightScore shows ads.

### Which is updated more often, Calmaria or Rhythm LightScore?

Calmaria ships an update every 7 months, and Rhythm LightScore every 4 days. Most recently, Calmaria was updated on October 25, 2026 and Rhythm LightScore on October 25, 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.*