# Viome vs Nerva

The clearest difference is in-app purchases: Viome at none against Nerva's 4. Nerva's advantage is review sentiment (72% vs 41%) and update cadence (every 2 weeks vs every 6 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Nerva sells 4 in-app purchases, starting at $99.00 per month. Viome asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Viome against 4.7 for Nerva. Both are backed by a comparable volume of ratings — 5.5K and 15K respectively. Written reviews are what separate them: 41% of Viome's written reviews are positive against 72% of Nerva's.

Viome ships an update every 6 weeks, Nerva every 2 weeks. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Viome | Nerva |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5.5K ratings)](https://appshunter.io/ios/app/viome/id1206984146/reviews) | **[4.7 (15K ratings)](https://appshunter.io/ios/app/nerva-gut-brain-program/id1467398796/reviews)** |
| Number of ratings | 5.5K | **15K** |
| Positive reviews | 41.5% of reviews | **72.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#174** |
| Size | 44 MB | 138 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Viome Life Sciences, Inc.](https://appshunter.io/developer/1206984145) | [Mindset Health Pty Ltd](https://appshunter.io/developer/1255073245) |

## 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


### Nerva

[App page](https://appshunter.io/ios/app/nerva-gut-brain-program/id1467398796)

**Currently charting:** #174 Top Grossing · Health & Fitness (US App Store)

This app offers a personalized gut-brain therapy program to manage symptoms of IBS, FD, GERD, and other gut-brain disorders. It aims to retrain the nervous system and improve communication between the gut and brain through daily sessions and practical tools.

**Highlights:** Personalized gut-brain therapy program, Daily 15-minute retraining sessions, Flare-up management tools, Long-term symptom maintenance plan, AI-driven personalization, Evidence-based clinical research

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nerva IBS program (Monthly) | $99.00 | per month |
| Nerva IBS program (3 Month) | $149.00 | per 3 months |
| 30% Off Nerva IBS (3 Month) | $149.00 | per 3 months |
| Nerva Full Access | $199.00 | per year |

**What reviewers like**

- 🚀 Effective for symptom reduction
- 👍 Calming and relaxing sessions
- 💡 Helpful for managing stress and anxiety
- 👍 Positive affirmations and education
- 🚀 Quick improvements seen by some users

**What reviewers complain about**

- 🔁 Repetitive nature of sessions
- 💰 Expensive subscription cost
- 🔍 Lack of customization options
- 🐛 Technical issues with app functionality

**Reported bugs**

- App getting stuck on certain days
- Difficulty accessing previous sessions
- Inconsistent user experience across devices

**Requested features**

- More variety in guided visualizations
- Ability to skip or replace certain sessions
- Maintenance plan with reduced pricing
- Offline access to recordings


## Frequently asked questions

### Is Viome free?

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

### Is Nerva free?

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

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

Nerva is rated higher. Viome averages 4.6 out of 5 from 5.5K ratings, while Nerva averages 4.7 from 15K ratings.

### Do Viome or Nerva have ads?

Neither Viome nor Nerva shows ads.

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

Viome ships an update every 6 weeks, and Nerva every 2 weeks. Most recently, Viome was updated on October 16, 2026 and Nerva on October 17, 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.*