# Chip Reader vs Wohnen StwDo

The clearest difference is update cadence: Chip Reader at every 2 months against Wohnen StwDo's every 7 months. Wohnen StwDo's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Chip Reader ships an update every 2 months, Wohnen StwDo every 7 months. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Chip Reader | Wohnen StwDo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Size | 8 MB | 23 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [fidentity AG](https://appshunter.io/developer/1608180416) | [Studierendenwerk Dortmund AoR](https://appshunter.io/developer/1692730071) |

## What reviewers say

### Chip Reader

[App page](https://appshunter.io/ios/app/chip-reader/id1608180414)

**In-app purchases:** none


### Wohnen StwDo

[App page](https://appshunter.io/ios/app/wohnen-stwdo/id6450295560)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chip Reader free?

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

### Is Wohnen StwDo free?

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

### Do Chip Reader or Wohnen StwDo have ads?

Neither Chip Reader nor Wohnen StwDo shows ads.

### Which is updated more often, Chip Reader or Wohnen StwDo?

Chip Reader ships an update every 2 months, and Wohnen StwDo every 7 months. Most recently, Chip Reader was updated on September 10, 2026 and Wohnen StwDo on September 19, 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.*