# DR. KAISER vs EW Safnern

DR. KAISER and EW Safnern 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, EW Safnern every 9 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | DR. KAISER | EW Safnern |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 9 months |
| Size | 27 MB | 59 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DR. KAISER DIAMANTWERKZEUGE GmbH & Co. KG](https://appshunter.io/developer/1392887718) | [EVUlution AG](https://appshunter.io/developer/1599699539) |

## 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


### EW Safnern

[App page](https://appshunter.io/ios/app/ew-safnern/id6511243734)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DR. KAISER free?

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

### Is EW Safnern free?

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

### Do DR. KAISER or EW Safnern have ads?

Neither DR. KAISER nor EW Safnern shows ads.

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

DR. KAISER ships an update every 5 months, and EW Safnern every 9 months. Most recently, DR. KAISER was updated on November 2, 2026 and EW Safnern on November 4, 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.*