# ERKNet Leila vs KAK

The clearest difference is update cadence: KAK at fortnightly against ERKNet Leila's every 7 months. KAK also leads on iOS requirement (13.0 vs 15.1). 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.

ERKNet Leila ships an update every 7 months, KAK fortnightly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ERKNet Leila | KAK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Size | 32 MB | 20 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Lindgrün GmbH](https://appshunter.io/developer/1105347473) | [Mehulkumar Thakkar](https://appshunter.io/developer/1852222411) |

## What reviewers say

### ERKNet Leila

[App page](https://appshunter.io/ios/app/erknet-leila/id1671728757)

**In-app purchases:** none


### KAK

[App page](https://appshunter.io/ios/app/kak-cin/id6755145078)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ERKNet Leila free?

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

### Is KAK free?

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

### Do ERKNet Leila or KAK have ads?

Neither ERKNet Leila nor KAK shows ads.

### Which is updated more often, ERKNet Leila or KAK?

ERKNet Leila ships an update every 7 months, and KAK fortnightly. Most recently, ERKNet Leila was updated on October 30, 2026 and KAK on October 25, 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.*