# arktur vs Acarta

The clearest difference is in-app purchases: arktur at none against Acarta's 2. arktur also leads on iOS requirement (13.0 vs 16.4). Acarta's advantage is update cadence (every 2 days vs every 6 days). On price, ads and device support there is nothing between them.

Both are free to download. Acarta sells 2 in-app purchases, starting at $7.99 per 7 days. arktur asks for nothing beyond the download.

arktur ships an update every 6 days, Acarta every 2 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | arktur | Acarta |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Size | 70 MB | 112 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fritz Schulz](https://appshunter.io/developer/1854364376) | [Väder AB](https://appshunter.io/developer/1790166757) |

## What reviewers say

### arktur

[App page](https://appshunter.io/ios/app/arktur/id6755520013)

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

**In-app purchases:** none


### Acarta

[App page](https://appshunter.io/ios/app/acarta-architecture-guide/id6761861943)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Acarta Pro | $7.99 | per 7 days |
| Acarta Pro | $49.99 | per year |


## Frequently asked questions

### Is arktur free?

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

### Is Acarta free?

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

### Do arktur or Acarta have ads?

Neither arktur nor Acarta shows ads.

### Which is updated more often, arktur or Acarta?

arktur ships an update every 6 days, and Acarta every 2 days. Most recently, arktur was updated on November 9, 2026 and Acarta on October 31, 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.*