# Dahlem vs The Walks Pro

The clearest difference is price: Dahlem at Free against The Walks Pro's $3.99. Dahlem also leads on update cadence (monthly vs every 40 months) and iOS requirement (9.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Dahlem is free to download; The Walks Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dahlem ships an update monthly, The Walks Pro every 40 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Dahlem | The Walks Pro |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 40 months |
| Monetization | Free | — |
| Size | 376 MB | 46 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Max-Planck-Gesellschaft](https://appshunter.io/developer/506613849) | [Rimini Apparat GbR](https://appshunter.io/developer/1571985006) |

## What reviewers say

### Dahlem

[App page](https://appshunter.io/ios/app/dahlem/id1414297920)

Explore the historical Dahlem Campus in Berlin and its former research institutes. Discover stories of Nobel Prize winners, scientific breakthroughs, and the people behind them through an interactive journey.

**Highlights:** Historical campus exploration, Stories of Nobel Prize winners, Scientific discovery narratives, Interactive time travel experience, Biographies of famous scientists

**In-app purchases:** none


### The Walks Pro

[App page](https://appshunter.io/ios/app/the-walks-pro/id6446093925)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dahlem free?

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

### Is The Walks Pro free?

The Walks Pro costs $3.99, with no in-app purchases.

### Do Dahlem or The Walks Pro have ads?

Neither Dahlem nor The Walks Pro shows ads.

### Which is updated more often, Dahlem or The Walks Pro?

Dahlem ships an update monthly, and The Walks Pro every 40 months. Most recently, Dahlem was updated on October 24, 2026 and The Walks Pro on October 27, 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.*