# HappApp vs Dýrabók

The clearest difference is in-app purchases: HappApp at none against Dýrabók's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Dýrabók sells 3 in-app purchases, starting at $5.99 per month. HappApp asks for nothing beyond the download.

HappApp ships an update every 3 weeks, Dýrabók every 4 weeks. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | HappApp | Dýrabók |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Size | 59 MB | 47 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Andleg heilsa is](https://appshunter.io/developer/1519769838) | [Test 13 ehf.](https://appshunter.io/developer/1886376537) |

## What reviewers say

### HappApp

[App page](https://appshunter.io/ios/app/happapp/id6736366027)

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

**In-app purchases:** none


### Dýrabók

[App page](https://appshunter.io/ios/app/dyrabok/id6760816207)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Pet | $5.99 | per month |
| 2 Pets | $7.99 | per month |
| Multiple pets | $9.99 | per month |


## Frequently asked questions

### Is HappApp free?

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

### Is Dýrabók free?

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

### Do HappApp or Dýrabók have ads?

Neither HappApp nor Dýrabók shows ads.

### Which is updated more often, HappApp or Dýrabók?

HappApp ships an update every 3 weeks, and Dýrabók every 4 weeks. Most recently, HappApp was updated on October 12, 2026 and Dýrabók on October 9, 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.*