# Stack Overflow AR vs Alpenmax

The clearest difference is update cadence: Alpenmax at monthly against Stack Overflow AR's every 3 months. Stack Overflow AR's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Stack Overflow AR ships an update every 3 months, Alpenmax monthly. Both last shipped on September 30, 2026.

## The numbers

| Metric | Stack Overflow AR | Alpenmax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/stack-overflow-ar/id1434694817/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 132 MB | 56 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Barbara Herold](https://appshunter.io/developer/1384114660) | [Alpenmax Göttingen GmbH](https://appshunter.io/developer/1780996058) |

## What reviewers say

### Stack Overflow AR

[App page](https://appshunter.io/ios/app/stack-overflow-ar/id1434694817)

Experience augmented reality art that transforms brutalist architecture into dynamic sound sculptures. Interact with the environment to control sound sets, speed, and the stacking of virtual elements. This open-air installation is best experienced with headphones.

**Highlights:** Augmented reality art experience, Transform architecture into sound sculptures, Control sound sets, speed, and stacking, Interactive environmental art, Open-air installation, GPS and image recognition placement

**Features:** macOS Compatibility

**In-app purchases:** none


### Alpenmax

[App page](https://appshunter.io/ios/app/alpenmax/id6738488608)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack Overflow AR free?

Stack Overflow AR is free to download, with no in-app purchases.

### Is Alpenmax free?

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

### Do Stack Overflow AR or Alpenmax have ads?

Neither Stack Overflow AR nor Alpenmax shows ads.

### Which is updated more often, Stack Overflow AR or Alpenmax?

Stack Overflow AR ships an update every 3 months, and Alpenmax monthly. Most recently, Stack Overflow AR was updated on September 30, 2026 and Alpenmax on September 30, 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.*