# eX vs RoE (Ro

The clearest difference is update cadence: eX at every 6 days against RoE (Ro's every 4 months. eX also leads on iOS requirement (13.2 vs 15.0). 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.

eX ships an update every 6 days, RoE (Ro every 4 months. The most recent releases landed on October 1, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | eX | RoE (Ro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/ex-mars/id1512767753/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 4 months |
| Monetization | Free | — |
| Size | 24 MB | 298 MB |
| Requires iOS | **13.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Smart Cube Labs Co., Ltd.](https://appshunter.io/developer/1456342688) | [ROBOROBO Co.,Ltd](https://appshunter.io/developer/942989164) |

## 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


### RoE (Ro

[App page](https://appshunter.io/ios/app/roe-ro-e/id1610047236)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eX free?

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

### Is RoE (Ro free?

RoE (Ro is free to download, with no in-app purchases.

### Do eX or RoE (Ro have ads?

Neither eX nor RoE (Ro shows ads.

### Which is updated more often, eX or RoE (Ro?

eX ships an update every 6 days, and RoE (Ro every 4 months. Most recently, eX was updated on October 1, 2026 and RoE (Ro on September 26, 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.*