# Viome vs Guerrillazen

The clearest difference is rating: Guerrillazen at 5.0 against Viome's 4.6. Guerrillazen also leads on monetization model (free vs free with in-app purchases). Viome's advantage is ratings volume (5.8K vs 17). On price, update cadence, 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.

Guerrillazen holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Viome has 5.8K ratings behind it against 17, so its average is the more settled of the two.

Viome ships an update every 6 weeks, Guerrillazen every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Viome | Guerrillazen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5.8K ratings)](https://appshunter.io/ios/app/viome/id1206984146/reviews) | **[5.0 (17 ratings)](https://appshunter.io/ios/app/guerrillazen/id6452383946/reviews)** |
| Number of ratings | **5.8K** | 17 |
| Positive reviews | 41.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 44 MB | 169 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Viome Life Sciences, Inc.](https://appshunter.io/developer/1206984145) | [GUERRILLANZEN FITNESS LLC](https://appshunter.io/developer/1698856249) |

## 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


### Guerrillazen

[App page](https://appshunter.io/ios/app/guerrillazen/id6452383946)

Personalized corrective exercise programs and habit tracking to help you achieve your fitness goals. Monitor workouts, nutrition, lifestyle habits, and body measurements with coach guidance and progress photos. Earn badges for milestones and streaks.

**Highlights:** Custom corrective exercise programs, Workout and habit tracking, Progress photos and measurements, Milestone badges and habit streaks, Wearable device integration (Apple Watch, Garmin, Fitbit), Push notification reminders

**Features:** Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Viome free?

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

### Is Guerrillazen free?

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

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

Guerrillazen is rated higher. Viome averages 4.6 out of 5 from 5.8K ratings, while Guerrillazen averages 5.0 from 17 ratings.

### Do Viome or Guerrillazen have ads?

Neither Viome nor Guerrillazen shows ads.

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

Viome ships an update every 6 weeks, and Guerrillazen every 2 months. Most recently, Viome was updated on October 26, 2026 and Guerrillazen on October 24, 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.*