# Architectural Guide BW vs arktur

The clearest difference is update cadence: arktur at every 6 days against Architectural Guide BW's every 20 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Architectural Guide BW ships an update every 20 months, arktur every 6 days. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Architectural Guide BW | arktur |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 6 days** |
| Size | 50 MB | 80 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FUF // Frank und Freunde](https://appshunter.io/developer/1130931190) | [Fritz Schulz](https://appshunter.io/developer/1854364376) |

## What reviewers say

### Architectural Guide BW

[App page](https://appshunter.io/ios/app/architectural-guide-bw/id1148595790)

**Features:** macOS Compatibility

**In-app purchases:** none


### arktur

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Architectural Guide BW free?

Architectural Guide BW is free to download, with no in-app purchases.

### Is arktur free?

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

### Do Architectural Guide BW or arktur have ads?

Neither Architectural Guide BW nor arktur shows ads.

### Which is updated more often, Architectural Guide BW or arktur?

Architectural Guide BW ships an update every 20 months, and arktur every 6 days. Most recently, Architectural Guide BW was updated on October 16, 2026 and arktur on October 11, 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.*