# The Prime Machine vs Icelandic Dictionary

The clearest difference is in-app purchases: The Prime Machine at none against Icelandic Dictionary's 3. The Prime Machine also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (11.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Icelandic Dictionary sells 3 in-app purchases, starting at $2.99 per month. The Prime Machine asks for nothing beyond the download.

The Prime Machine ships an update every 3 weeks, Icelandic Dictionary every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | The Prime Machine | Icelandic Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/the-prime-machine/id1557062170/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 67 MB | 24 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Stephen Jeaco](https://appshunter.io/developer/1484919180) | [iGeniusDev Technology](https://appshunter.io/developer/664580924) |

## What reviewers say

### The Prime Machine

[App page](https://appshunter.io/ios/app/the-prime-machine/id1557062170)

Analyze text documents and pre-made English language corpora. Explore word frequencies, collocations, and concordance lines. Create and analyze your own custom text collections.

**Highlights:** Analyze readymade English corpora, Analyze DIY corpora from text/PDF, View concordance lines (lines or cards), Access frequency data, Explore collocations, Full Mode research tools

**In-app purchases:** none


### Icelandic Dictionary

[App page](https://appshunter.io/ios/app/icelandic-dictionary-offline/id6739049425)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Icelandic Dictionary Sabdakosh | $2.99 | per month |
| English Icelandic Dictionary | $29.99 | per year |
| English - Icelandic Dictionary | $39.99 | one-time |


## Frequently asked questions

### Is The Prime Machine free?

The Prime Machine is free to download, with no in-app purchases.

### Is Icelandic Dictionary free?

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

### Do The Prime Machine or Icelandic Dictionary have ads?

Neither The Prime Machine nor Icelandic Dictionary shows ads.

### Which is updated more often, The Prime Machine or Icelandic Dictionary?

The Prime Machine ships an update every 3 weeks, and Icelandic Dictionary every 2 months. Most recently, The Prime Machine was updated on November 3, 2026 and Icelandic Dictionary on October 30, 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.*