# Viome vs Sunlighten

The clearest difference is rating: Viome at 4.6 against Sunlighten's 2.7. Viome also leads on ratings volume (5.8K vs 84) and review sentiment (41% vs 20%). Sunlighten's advantage is monetization model (free vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

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

Viome holds the better App Store score, 4.6 against 2.7. That said, the two scores are not equally well evidenced: Viome has 5.8K ratings behind it against 84, so its average is the more settled of the two. Written reviews point the same way: 41% of Viome's written reviews are positive against 20% of Sunlighten's.

Viome ships an update every 6 weeks, Sunlighten every 4 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Viome | Sunlighten |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5.8K ratings)](https://appshunter.io/ios/app/viome/id1206984146/reviews)** | [2.7 (84 ratings)](https://appshunter.io/ios/app/sunlighten/id1634410434/reviews) |
| Number of ratings | **5.8K** | 84 |
| Positive reviews | **41.5% of reviews** | 19.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 44 MB | 53 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Viome Life Sciences, Inc.](https://appshunter.io/developer/1206984145) | [Sunlighten Inc](https://appshunter.io/developer/1634410436) |

## What reviewers say

### Viome

[App page](https://appshunter.io/ios/app/viome/id1206984146)

Gain personalized health insights based on your unique microbiome and cellular data. Receive tailored food and supplement recommendations to optimize digestion, energy, immunity, and aging. Integrates with HealthKit for a comprehensive view of your well-being.

**Highlights:** Microbiome analysis, Personalized food recommendations, Custom supplement formulation, Integrative health scores, Biological age tracking, Gut health optimization, Immune system support

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great service
- 👍 Helpful insights
- 💡 Life-changing results
- 🚀 Comprehensive app
- 👍 Useful food recommendations

**What reviewers complain about**

- 🐛 App crashes and freezes
- 🐛 Buggy and unstable app
- 🐛 Impossible to register kit
- 🐛 App not working
- 🐛 Slow app performance

**Reported bugs**

- Registration process not working
- App crashing and freezing
- Questionnaire not loading properly
- Subscription management issues

**Requested features**

- Offline food list for shopping
- Improved app stability and performance
- Better customer support and communication


### Sunlighten

[App page](https://appshunter.io/ios/app/sunlighten/id1634410434)

Optimize your well-being with this app, designed to enhance your light therapy and sauna experiences. Create personalized wellness programs, track sessions in real-time, and control your devices remotely for a seamless health journey.

**Highlights:** Science-based wellness programs, Personalized program creation, Real-time session tracking, Remote sauna control (Wi-Fi), Audio and lighting management, Red light therapy panel programs

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient remote control
- 👍 Customizable programs
- 🚀 Easy to use app
- 👍 Enhances sauna experience

**What reviewers complain about**

- 🐛 Unreliable app connectivity
- 🔒 Privacy concerns with data collection
- 🐛 Inconsistent scheduling and remote start
- 🐛 Buggy and glitchy app
- 👎 Limited remote functionality

**Reported bugs**

- App fails to connect to sauna
- Scheduled programs not running as expected
- Inconsistent lighting controls
- Tablet frequently restarts or loses connection

**Requested features**

- Remote start and preheat capability
- Improved app stability and reliability
- Better integration between app and sauna
- More customization options


## Frequently asked questions

### Is Viome free?

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

### Is Sunlighten free?

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

### Which has better reviews, Viome or Sunlighten?

Viome is rated higher. Viome averages 4.6 out of 5 from 5.8K ratings, while Sunlighten averages 2.7 from 84 ratings.

### Do Viome or Sunlighten have ads?

Neither Viome nor Sunlighten shows ads.

### Which is updated more often, Viome or Sunlighten?

Viome ships an update every 6 weeks, and Sunlighten every 4 months. Most recently, Viome was updated on November 1, 2026 and Sunlighten on October 30, 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.*