# DR. KAISER vs PUWER Assessment

DR. KAISER and PUWER Assessment 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 5 months, PUWER Assessment every 3 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | DR. KAISER | PUWER Assessment |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 27 MB | 37 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DR. KAISER DIAMANTWERKZEUGE GmbH & Co. KG](https://appshunter.io/developer/1392887718) | [Knox Thomas Ltd](https://appshunter.io/developer/1859594023) |

## What reviewers say

### DR. KAISER

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

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

**In-app purchases:** none


### PUWER Assessment

[App page](https://appshunter.io/ios/app/puwer-assessment/id6756261537)

**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 PUWER Assessment free?

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

### Do DR. KAISER or PUWER Assessment have ads?

Neither DR. KAISER nor PUWER Assessment shows ads.

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

DR. KAISER ships an update every 5 months, and PUWER Assessment every 3 months. Most recently, DR. KAISER was updated on November 2, 2026 and PUWER Assessment on October 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.*