# DolinaCudów vs K

The clearest difference is in-app purchases: DolinaCudów at none against K's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. K sells 1 in-app purchase, starting at $0.99 per month. DolinaCudów asks for nothing beyond the download.

DolinaCudów ships an update every 3 weeks, K fortnightly. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | DolinaCudów | K |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 56 MB | 142 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [PeepSo, Inc.](https://appshunter.io/developer/1541795557) | [Kulucky Rangers Inc.](https://appshunter.io/developer/1594808743) |

## What reviewers say

### DolinaCudów

[App page](https://appshunter.io/ios/app/dolinacudow/id6736712499)

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-insight/id6739238066)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $0.99 | per month |


## Frequently asked questions

### Is DolinaCudów free?

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

### Is K free?

K is free to download, with in-app purchases available.

### Do DolinaCudów or K have ads?

Neither DolinaCudów nor K shows ads.

### Which is updated more often, DolinaCudów or K?

DolinaCudów ships an update every 3 weeks, and K fortnightly. Most recently, DolinaCudów was updated on October 10, 2026 and K on October 3, 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.*