# Apto CKIS vs Connect 4u

The clearest difference is update cadence: Apto CKIS at weekly against Connect 4u's every 3 months. Apto CKIS also leads on iOS requirement (15.1 vs 18.6). 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, Connect 4u every 3 months. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Apto CKIS | Connect 4u |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 22 MB | 72 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Enigma SOI](https://appshunter.io/developer/965786000) | [Connect4u](https://appshunter.io/developer/1706105126) |

## What reviewers say

### Apto CKIS

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

**Features:** Vision Pro support

**In-app purchases:** none


### Connect 4u

[App page](https://appshunter.io/ios/app/connect-4u/id6464481755)

**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 Connect 4u free?

Connect 4u is free to download, with no in-app purchases.

### Do Apto CKIS or Connect 4u have ads?

Neither Apto CKIS nor Connect 4u shows ads.

### Which is updated more often, Apto CKIS or Connect 4u?

Apto CKIS ships an update weekly, and Connect 4u every 3 months. Most recently, Apto CKIS was updated on September 18, 2026 and Connect 4u on September 10, 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.*