# Apto CKIS vs MySii

The clearest difference is update cadence: Apto CKIS at weekly against MySii's monthly. 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.

Apto CKIS ships an update weekly, MySii monthly. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Apto CKIS | MySii |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 22 MB | 249 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Enigma SOI](https://appshunter.io/developer/965786000) | [Sii sp. z o.o.](https://appshunter.io/developer/961065482) |

## What reviewers say

### Apto CKIS

[App page](https://appshunter.io/ios/app/apto-ckis/id1279773438)

**Features:** Vision Pro support

**In-app purchases:** none


### MySii

[App page](https://appshunter.io/ios/app/mysii/id6445954726)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Apto CKIS free?

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

### Is MySii free?

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

### Do Apto CKIS or MySii have ads?

Neither Apto CKIS nor MySii shows ads.

### Which is updated more often, Apto CKIS or MySii?

Apto CKIS ships an update weekly, and MySii monthly. Most recently, Apto CKIS was updated on September 18, 2026 and MySii on September 8, 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.*