# IK vs Colditz.app

The clearest difference is update cadence: Colditz.app at every 4 days against IK's every 7 months. 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.

IK ships an update every 7 months, Colditz.app every 4 days. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | IK | Colditz.app |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 6 MB | 75 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [apicodo GmbH](https://appshunter.io/developer/1169099711) | [Mirko Fischer](https://appshunter.io/developer/1548987261) |

## What reviewers say

### IK

[App page](https://appshunter.io/ios/app/ik-up/id1470595451)

This app facilitates interactive internal communication within companies. Employees can share ideas, topics, and questions, fostering a more engaged and connected workforce. It features a news area, event calendar, and employee polls.

**Highlights:** Interactive employee engagement, Idea and topic sharing, Company news and events, Employee polls and campaigns, User role management, Statistics and insights

**In-app purchases:** none


### Colditz.app

[App page](https://appshunter.io/ios/app/colditzapp/id6761426441)

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

**In-app purchases:** none


## Frequently asked questions

### Is IK free?

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

### Is Colditz.app free?

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

### Do IK or Colditz.app have ads?

Neither IK nor Colditz.app shows ads.

### Which is updated more often, IK or Colditz.app?

IK ships an update every 7 months, and Colditz.app every 4 days. Most recently, IK was updated on September 28, 2026 and Colditz.app on September 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.*