# Dayzen vs Hjarni Notes

The clearest difference is in-app purchases: Dayzen at none against Hjarni Notes's 2. Hjarni Notes's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Hjarni Notes sells 2 in-app purchases, starting at $11.99 per month. Dayzen asks for nothing beyond the download.

Dayzen ships an update every 5 days, Hjarni Notes every 4 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Dayzen | Hjarni Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hjarni-notes-ai-memory/id6761733903/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 5 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Roo Hutton](https://appshunter.io/developer/882590489) | [evert van den bruel](https://appshunter.io/developer/1054483967) |

## What reviewers say

### Dayzen

[App page](https://appshunter.io/ios/app/dayzen/id1631585161)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hjarni Notes

[App page](https://appshunter.io/ios/app/hjarni-notes-ai-memory/id6761733903)

This app acts as a persistent memory for AI assistants like Claude and ChatGPT, allowing them to retain context across conversations. It functions as a Markdown knowledge base, organizing notes, folders, and tags to ensure your AI always remembers your preferences and information.

**Highlights:** Persistent AI memory, Markdown knowledge base, Note organization (folders, tags), Cross-assistant context sharing, Plain Markdown notes, Versioned changes and export, Team collaboration features

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hjarni Pro Monthly | $11.99 | per month |
| Hjarni Pro Yearly | $119.99 | per year |


## Frequently asked questions

### Is Dayzen free?

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

### Is Hjarni Notes free?

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

### Do Dayzen or Hjarni Notes have ads?

Dayzen shows ads; Hjarni Notes does not.

### Which is updated more often, Dayzen or Hjarni Notes?

Dayzen ships an update every 5 days, and Hjarni Notes every 4 days. Most recently, Dayzen was updated on October 27, 2026 and Hjarni Notes on October 31, 2026.

---

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