# Viome vs Octane Fuel

The clearest difference is in-app purchases: Viome at none against Octane Fuel's 3. Viome also leads on device support (3 vs 1) and iOS requirement (15.5 vs 18.0). Octane Fuel's advantage is update cadence (daily vs every 6 weeks). On price and ads there is nothing between them.

Both are free to download. Octane Fuel sells 3 in-app purchases, starting at $14.99 per month. Viome asks for nothing beyond the download.

Viome ships an update every 6 weeks, Octane Fuel daily. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Viome | Octane Fuel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5.8K ratings)](https://appshunter.io/ios/app/viome/id1206984146/reviews)** | — |
| Number of ratings | **5.8K** | — |
| Positive reviews | 41.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 22 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Viome Life Sciences, Inc.](https://appshunter.io/developer/1206984145) | [Richard Carey](https://appshunter.io/developer/6790033993) |

## 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


### Octane Fuel

[App page](https://appshunter.io/ios/app/octane-fueltraining-with-data/id6804826132)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Octane Pro | $14.99 | per month |
| Octane Pro: Founding Athlete | $69.99 | per year |
| Octane Pro (Annual) | $99.99 | per year |


## Frequently asked questions

### Is Viome free?

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

### Is Octane Fuel free?

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

### Do Viome or Octane Fuel have ads?

Neither Viome nor Octane Fuel shows ads.

### Which is updated more often, Viome or Octane Fuel?

Viome ships an update every 6 weeks, and Octane Fuel daily. Most recently, Viome was updated on October 24, 2026 and Octane Fuel on October 6, 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.*