# DR. KAISER vs Installation

DR. KAISER and Installation are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

DR. KAISER ships an update every 4 months, Installation every 5 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | DR. KAISER | Installation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Size | 39 MB | 47 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DR. KAISER DIAMANTWERKZEUGE GmbH & Co. KG](https://appshunter.io/developer/1392887718) | [DataVäxt AB](https://appshunter.io/developer/868696622) |

## What reviewers say

### DR. KAISER

[App page](https://appshunter.io/ios/app/dr-kaiser/id1392887719)

**Features:** macOS Compatibility

**In-app purchases:** none


### Installation

[App page](https://appshunter.io/ios/app/installation-by-datavaxt/id1535422221)

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

**In-app purchases:** none


## Frequently asked questions

### Is DR. KAISER free?

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

### Is Installation free?

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

### Do DR. KAISER or Installation have ads?

Neither DR. KAISER nor Installation shows ads.

### Which is updated more often, DR. KAISER or Installation?

DR. KAISER ships an update every 4 months, and Installation every 5 months. Most recently, DR. KAISER was updated on October 2, 2026 and Installation on October 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.*