# Anger Note vs Sleep Better with Science

The clearest difference is ads: Sleep Better with Science at none against Anger Note's shown. Sleep Better with Science also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.2). On price, update cadence 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.

Anger Note ships an update fortnightly, Sleep Better with Science every 2 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | Anger Note | Sleep Better with Science |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/anger-note/id6744544824/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 39 MB |
| Requires iOS | 18.2 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [TAKAYUKI HASHIMOTO](https://appshunter.io/developer/1689527181) | [Craftbyte d.o.o.](https://appshunter.io/developer/1790874844) |

## What reviewers say

### Anger Note

[App page](https://appshunter.io/ios/app/anger-note/id6744544824)

Understand and manage your anger with this tool. Log anger incidents to identify emotional patterns and gain self-awareness. Transform frustration into personal growth with AI insights and reflection tools.

**Highlights:** Intuitive anger logging, Instant anger type detection, AI-powered analysis, Weekly reflection tools, Private, offline storage

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

**In-app purchases:** none


### Sleep Better with Science

[App page](https://appshunter.io/ios/app/sleep-better-with-science/id6761481421)

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

**In-app purchases:** none


## Frequently asked questions

### Is Anger Note free?

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

### Is Sleep Better with Science free?

Sleep Better with Science is free to download, with no in-app purchases.

### Do Anger Note or Sleep Better with Science have ads?

Anger Note shows ads; Sleep Better with Science does not.

### Which is updated more often, Anger Note or Sleep Better with Science?

Anger Note ships an update fortnightly, and Sleep Better with Science every 2 weeks. Most recently, Anger Note was updated on November 5, 2026 and Sleep Better with Science on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*