# WolkCentraal vs OSDP Reader

The clearest difference is iOS requirement: WolkCentraal at 12.0 against OSDP Reader's 15. On price, update cadence, ads and in-app purchases there is nothing between them.

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

WolkCentraal ships an update every 6 weeks, OSDP Reader every 3 months. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | WolkCentraal | OSDP Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/osdp-reader/id6477343162/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | — | Paid |
| Size | 37 MB | 11 MB |
| Requires iOS | **12.0** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WolkAbout Technology s.r.o.](https://appshunter.io/developer/1034872941) | [Sebury](https://appshunter.io/developer/1329453882) |

## What reviewers say

### WolkCentraal

[App page](https://appshunter.io/ios/app/wolkcentraal/id1617989076)

**Features:** macOS Compatibility

**In-app purchases:** none


### OSDP Reader

[App page](https://appshunter.io/ios/app/osdp-reader/id6477343162)

This utility app supports the latest OSDP card reader version 2.2. It offers extensive mobile virtual card number settings, including Wiegand and OSDP output formats, keypad settings, and LED light customization.

**Highlights:** OSDP 2.2 support, Mobile virtual card number, Wiegand output format settings, OSDP output format settings, Keypad output format settings, LED light color customization, Backlight setting

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

**In-app purchases:** none


## Frequently asked questions

### Is WolkCentraal free?

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

### Is OSDP Reader free?

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

### Do WolkCentraal or OSDP Reader have ads?

Neither WolkCentraal nor OSDP Reader shows ads.

### Which is updated more often, WolkCentraal or OSDP Reader?

WolkCentraal ships an update every 6 weeks, and OSDP Reader every 3 months. Most recently, WolkCentraal was updated on October 6, 2026 and OSDP Reader on October 14, 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.*