# Reiknum hraðar vs Undralingur

The clearest difference is in-app purchases: Reiknum hraðar at none against Undralingur's 1. Reiknum hraðar also leads on iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Undralingur sells 1 in-app purchase, starting at $9.99 per month. Reiknum hraðar asks for nothing beyond the download.

## The numbers

| Metric | Reiknum hraðar | Undralingur |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/undralingur/id6474342185/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 51 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kolbeinn Sigurjonsson](https://appshunter.io/developer/1634046174) | [Undralingur ehf.](https://appshunter.io/developer/1719994822) |

## What reviewers say

### Reiknum hraðar

[App page](https://appshunter.io/ios/app/reiknum-hraar/id1634046172)

**Features:** macOS Compatibility

**In-app purchases:** none


### Undralingur

[App page](https://appshunter.io/ios/app/undralingur/id6474342185)

An interactive reading platform for young Icelandic readers. It offers dynamic, audio-visual stories where characters respond to the reader, promoting engagement and improving literacy skills. Features include adjustable reading support and personalized story experiences.

**Highlights:** Interactive stories with talking characters, Adjustable reading support (read-aloud, highlighting), Personalized story experiences, Character customization, Free book samples, Growing library of Icelandic books

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mánaðaráskrift | $9.99 | per month |


## Frequently asked questions

### Is Reiknum hraðar free?

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

### Is Undralingur free?

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

### Do Reiknum hraðar or Undralingur have ads?

Neither Reiknum hraðar nor Undralingur shows ads.

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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.*