# Viome vs niostem

The clearest difference is monetization model: niostem at free against Viome's free with in-app purchases. niostem also leads on update cadence (every 3 weeks vs every 6 weeks). Viome's advantage is ratings volume (5.8K vs 11) and review sentiment (41% vs 26%). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.6 for Viome against 4.5 for niostem. That said, the two scores are not equally well evidenced: Viome has 5.8K ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 41% of Viome's written reviews are positive against 26% of niostem's.

Viome ships an update every 6 weeks, niostem every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Viome | niostem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5.8K ratings)](https://appshunter.io/ios/app/viome/id1206984146/reviews)** | [4.5 (11 ratings)](https://appshunter.io/ios/app/niostem/id6450348797/reviews) |
| Number of ratings | **5.8K** | 11 |
| Positive reviews | **41.5% of reviews** | 26.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 44 MB | 59 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Viome Life Sciences, Inc.](https://appshunter.io/developer/1206984145) | [Mane Biotech GmbH](https://appshunter.io/developer/1542010647) |

## 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


### niostem

[App page](https://appshunter.io/ios/app/niostem/id6450348797)

This app works with a smart wearable device to help combat common hair loss. It allows users to control the device, track their progress with photos, and set reminders for consistent use, enhancing the hair regrowth journey.

**Highlights:** Control smart wearable device, Increase device usage adherence, Log hair regrowth progress, Set usage reminders, Take and compare hair selfies, Manage hair regrowth journey

**In-app purchases:** none


## Frequently asked questions

### Is Viome free?

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

### Is niostem free?

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

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

Viome is rated higher. Viome averages 4.6 out of 5 from 5.8K ratings, while niostem averages 4.5 from 11 ratings.

### Do Viome or niostem have ads?

Neither Viome nor niostem shows ads.

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

Viome ships an update every 6 weeks, and niostem every 3 weeks. Most recently, Viome was updated on November 2, 2026 and niostem on November 3, 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.*