# Nouri vs Eigen

The clearest difference is in-app purchases: Eigen at none against Nouri's 2. Eigen also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. Nouri sells 2 in-app purchases, starting at $4.99 per month. Eigen asks for nothing beyond the download.

Nouri ships an update weekly, Eigen every 4 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Nouri | Eigen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (8 ratings)](https://appshunter.io/ios/app/nouri-personalized-nutrition/id6469190528/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 115 MB | 84 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Nouri Health Inc.](https://appshunter.io/developer/1654649221) | [Connor Holowachuk](https://appshunter.io/developer/1498333581) |

## What reviewers say

### Nouri

[App page](https://appshunter.io/ios/app/nouri-personalized-nutrition/id6469190528)

This app uses data from wearables like Whoop and Oura to provide personalized nutrition advice. It offers tailored food suggestions, grocery integration, and insights into how nutrients affect your body. Track your progress and achieve your health goals, from improved sleep to stress management.

**Highlights:** Wearable data integration (Whoop, Oura), Personalized nutrition recommendations, Key Improvement Area (KIA) identification, Dietitian-designed guidance, Grocery delivery integration (Instacart), Progress tracking against health metrics

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $4.99 | per month |
| Unlimited access | $39.99 | per year |


### Eigen

[App page](https://appshunter.io/ios/app/eigen/id6479621358)

This app acts as your personal trainer, offering real-time feedback on your workouts using your Apple Watch. It tracks your performance, analyzes your form to prevent injuries, and helps you set and achieve fitness goals.

**Highlights:** Real-time workout feedback, Form accuracy analysis, Injury risk alerts, Set fitness goals, Track workout history, Design workout programs, Connect with coaching partners

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nouri free?

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

### Is Eigen free?

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

### Do Nouri or Eigen have ads?

Nouri shows ads; Eigen does not.

### Which is updated more often, Nouri or Eigen?

Nouri ships an update weekly, and Eigen every 4 days. Most recently, Nouri was updated on October 24, 2026 and Eigen 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.*