# PDA Initiative vs RezApptfrei

The clearest difference is device support: RezApptfrei at 3 against PDA Initiative's 1. 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.

PDA Initiative ships an update every 7 months, RezApptfrei every 4 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PDA Initiative | RezApptfrei |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Size | 10 MB | 6 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PDA-INITIATIVE -- Kora Jünger / Anika Tipp](https://appshunter.io/developer/1793335938) | [Klinikum Aschaffenburg-Alzenau gGmbH](https://appshunter.io/developer/1892396100) |

## What reviewers say

### PDA Initiative

[App page](https://appshunter.io/ios/app/pda-initiative/id6741155032)

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

**In-app purchases:** none


### RezApptfrei

[App page](https://appshunter.io/ios/app/rezapptfrei/id6762002986)

**In-app purchases:** none


## Frequently asked questions

### Is PDA Initiative free?

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

### Is RezApptfrei free?

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

### Do PDA Initiative or RezApptfrei have ads?

Neither PDA Initiative nor RezApptfrei shows ads.

### Which is updated more often, PDA Initiative or RezApptfrei?

PDA Initiative ships an update every 7 months, and RezApptfrei every 4 months. Most recently, PDA Initiative was updated on October 28, 2026 and RezApptfrei on October 24, 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.*