# dob pro vs buchstaben lernen app

The clearest difference is price: buchstaben lernen app at Free against dob pro's $49.99. buchstaben lernen app also leads on update cadence (monthly vs every 3 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

buchstaben lernen app is free to download; dob pro costs $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.

dob pro ships an update every 3 months, buchstaben lernen app monthly. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | dob pro | buchstaben lernen app |
| --- | --- | --- |
| Price | $49.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 78 MB | 97 MB |
| Requires iOS | **12.0** | 13.2 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rene Fehr-Biscioni](https://appshunter.io/developer/969998405) | [Steffen Rokosch](https://appshunter.io/developer/1448755222) |

## What reviewers say

### dob pro

[App page](https://appshunter.io/ios/app/dob-pro-visual-perception/id969998406)

**In-app purchases:** none


### buchstaben lernen app

[App page](https://appshunter.io/ios/app/buchstaben-lernen-app/id1448755223)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is dob pro free?

dob pro costs $49.99, with no in-app purchases.

### Is buchstaben lernen app free?

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

### Do dob pro or buchstaben lernen app have ads?

Neither dob pro nor buchstaben lernen app shows ads.

### Which is updated more often, dob pro or buchstaben lernen app?

dob pro ships an update every 3 months, and buchstaben lernen app monthly. Most recently, dob pro was updated on October 14, 2026 and buchstaben lernen app on October 10, 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.*