# +Doku vs Simchen

The clearest difference is update cadence: +Doku at every 2 months against Simchen's every 12 months. +Doku also leads on iOS requirement (10.3 vs 13.0). 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.

+Doku ships an update every 2 months, Simchen every 12 months. The most recent releases landed on October 26, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | +Doku | Simchen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Size | 54 MB | 83 MB |
| Requires iOS | **10.3** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [X-Interchange GmbH](https://appshunter.io/developer/1438909423) | [Simchen Immobilien Verwaltungs GmbH](https://appshunter.io/developer/1751455197) |

## What reviewers say

### +Doku

[App page](https://appshunter.io/ios/app/plus-doku/id1438911531)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simchen

[App page](https://appshunter.io/ios/app/simchen/id6504233592)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is +Doku free?

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

### Is Simchen free?

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

### Do +Doku or Simchen have ads?

Neither +Doku nor Simchen shows ads.

### Which is updated more often, +Doku or Simchen?

+Doku ships an update every 2 months, and Simchen every 12 months. Most recently, +Doku was updated on October 26, 2026 and Simchen on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*