# Interrogare ImPuls vs DOG 2024

The clearest difference is update cadence: DOG 2024 at weekly against Interrogare ImPuls's every 14 months. DOG 2024 also leads on iOS requirement (13.0 vs 16.0). 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.

Interrogare ImPuls ships an update every 14 months, DOG 2024 weekly. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Interrogare ImPuls | DOG 2024 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Weekly** |
| Size | 22 MB | 69 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Interrogare GmbH](https://appshunter.io/developer/387333874) | [Deutsche Ophthalmologische Gesellschaft e.V.](https://appshunter.io/developer/1508332396) |

## What reviewers say

### Interrogare ImPuls

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

**Features:** macOS Compatibility

**In-app purchases:** none


### DOG 2024

[App page](https://appshunter.io/ios/app/dog-2024/id6503879365)

**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 DOG 2024 free?

DOG 2024 is free to download, with no in-app purchases.

### Do Interrogare ImPuls or DOG 2024 have ads?

Neither Interrogare ImPuls nor DOG 2024 shows ads.

### Which is updated more often, Interrogare ImPuls or DOG 2024?

Interrogare ImPuls ships an update every 14 months, and DOG 2024 weekly. Most recently, Interrogare ImPuls was updated on September 8, 2026 and DOG 2024 on September 17, 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.*