# Interrogare ImPuls vs CLL onkowissen

Interrogare ImPuls and CLL onkowissen 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.

Interrogare ImPuls ships an update every 14 months, CLL onkowissen every 8 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Interrogare ImPuls | CLL onkowissen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 8 months** |
| Size | 22 MB | 46 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Interrogare GmbH](https://appshunter.io/developer/387333874) | [onkowissen.de GmbH](https://appshunter.io/developer/1386290724) |

## What reviewers say

### Interrogare ImPuls

[App page](https://appshunter.io/ios/app/interrogare-impuls/id6446409029)

**Features:** macOS Compatibility

**In-app purchases:** none


### CLL onkowissen

[App page](https://appshunter.io/ios/app/cll-onkowissen/id6476928579)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interrogare ImPuls free?

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

### Is CLL onkowissen free?

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

### Do Interrogare ImPuls or CLL onkowissen have ads?

Neither Interrogare ImPuls nor CLL onkowissen shows ads.

### Which is updated more often, Interrogare ImPuls or CLL onkowissen?

Interrogare ImPuls ships an update every 14 months, and CLL onkowissen every 8 months. Most recently, Interrogare ImPuls was updated on October 27, 2026 and CLL onkowissen 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.*