# R+SmartIII vs RoE (Ro

The clearest difference is update cadence: RoE (Ro at every 4 months against R+SmartIII's every 12 months. R+SmartIII's advantage is iOS requirement (9.0 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.

R+SmartIII ships an update every 12 months, RoE (Ro every 4 months. The most recent releases landed on October 2, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | R+SmartIII | RoE (Ro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 months** |
| Size | 113 MB | 298 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [ROBOTIS CO., LTD.](https://appshunter.io/developer/948481761) | [ROBOROBO Co.,Ltd](https://appshunter.io/developer/942989164) |

## What reviewers say

### R+SmartIII

[App page](https://appshunter.io/ios/app/r-plus-smartiii/id1489911067)

**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 R+SmartIII free?

R+SmartIII 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 R+SmartIII or RoE (Ro have ads?

Neither R+SmartIII nor RoE (Ro shows ads.

### Which is updated more often, R+SmartIII or RoE (Ro?

R+SmartIII ships an update every 12 months, and RoE (Ro every 4 months. Most recently, R+SmartIII was updated on October 2, 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.*