# eX vs 키오

The clearest difference is iOS requirement: eX at 13.2 against 키오's 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.

## The numbers

| Metric | eX | 키오 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (7 ratings)](https://appshunter.io/ios/app/ex-mars/id1512767753/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | — |
| Monetization | Free | — |
| Size | 24 MB | 52 MB |
| Requires iOS | **13.2** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smart Cube Labs Co., Ltd.](https://appshunter.io/developer/1456342688) | [kiho kim](https://appshunter.io/developer/1471473521) |

## What reviewers say

### eX

[App page](https://appshunter.io/ios/app/ex-mars/id1512767753)

This app controls an intelligent robot cube, offering step-by-step solving guides for beginners. It features automatic scrambling, timing, and solution memory, connecting via BLE for record storage and server communication.

**Highlights:** Automatic scrambling, Automatic timing, Solution memory, Step-by-step solving guide, BLE device control, Record storage

**Features:** macOS Compatibility

**In-app purchases:** none


### 키오

[App page](https://appshunter.io/ios/app/id6790689216)

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

**In-app purchases:** none


## Frequently asked questions

### Is eX free?

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

### Is 키오 free?

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

### Do eX or 키오 have ads?

Neither eX nor 키오 shows ads.

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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.*