# planetar vs Alzheimer AR

The clearest difference is update cadence: Alzheimer AR at every 3 months against planetar's every 14 months. 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.

planetar ships an update every 14 months, Alzheimer AR every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | planetar | Alzheimer AR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 months** |
| Size | 103 MB | 189 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [halbautomaten Kommunikationsdesign GmbH](https://appshunter.io/developer/1197334556) | [proCampus GmbH](https://appshunter.io/developer/1513150595) |

## What reviewers say

### planetar

[App page](https://appshunter.io/ios/app/planetar/id1480247103)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alzheimer AR

[App page](https://appshunter.io/ios/app/alzheimer-ar/id1516583789)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is planetar free?

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

### Is Alzheimer AR free?

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

### Do planetar or Alzheimer AR have ads?

Neither planetar nor Alzheimer AR shows ads.

### Which is updated more often, planetar or Alzheimer AR?

planetar ships an update every 14 months, and Alzheimer AR every 3 months. Most recently, planetar was updated on November 3, 2026 and Alzheimer AR on November 3, 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.*