# NutritionFactor vs Emotion Diary

The clearest difference is ads: NutritionFactor at none against Emotion Diary's shown. NutritionFactor also leads on update cadence (every 2 weeks vs every 5 weeks). Emotion Diary's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.4). On price 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.

NutritionFactor ships an update every 2 weeks, Emotion Diary every 5 weeks. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | NutritionFactor | Emotion Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 20 MB | 32 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Yuji Suda](https://appshunter.io/developer/1448158807) | [Ryosuke Yoshioka](https://appshunter.io/developer/1837726385) |

## What reviewers say

### NutritionFactor

[App page](https://appshunter.io/ios/app/nutritionfactor/id6447796261)

**Features:** macOS Compatibility

**In-app purchases:** none


### Emotion Diary

[App page](https://appshunter.io/ios/app/emotion-diary-see-the-waves/id6757458952)

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

**In-app purchases:** none


## Frequently asked questions

### Is NutritionFactor free?

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

### Is Emotion Diary free?

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

### Do NutritionFactor or Emotion Diary have ads?

Emotion Diary shows ads; NutritionFactor does not.

### Which is updated more often, NutritionFactor or Emotion Diary?

NutritionFactor ships an update every 2 weeks, and Emotion Diary every 5 weeks. Most recently, NutritionFactor was updated on November 3, 2026 and Emotion Diary on October 28, 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.*