# EnginoRobot BT (Controller) vs Alpha Code

The clearest difference is update cadence: Alpha Code at every 2 weeks against EnginoRobot BT (Controller)'s every 4 months. 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.

EnginoRobot BT (Controller) ships an update every 4 months, Alpha Code every 2 weeks. The most recent releases landed on May 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | EnginoRobot BT (Controller) | Alpha Code |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 50 MB | 72 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ENGINO TOY SYSTEMS LIMITED](https://appshunter.io/developer/875789415) | [JoinMax Digital Technology Co.,Ltd.](https://appshunter.io/developer/963981892) |

## What reviewers say

### EnginoRobot BT (Controller)

[App page](https://appshunter.io/ios/app/enginorobot-bt-controller/id1067244128)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alpha Code

[App page](https://appshunter.io/ios/app/alpha-code/id6469104847)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EnginoRobot BT (Controller) free?

EnginoRobot BT (Controller) is free to download, with no in-app purchases.

### Is Alpha Code free?

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

### Do EnginoRobot BT (Controller) or Alpha Code have ads?

Neither EnginoRobot BT (Controller) nor Alpha Code shows ads.

### Which is updated more often, EnginoRobot BT (Controller) or Alpha Code?

EnginoRobot BT (Controller) ships an update every 4 months, and Alpha Code every 2 weeks. Most recently, EnginoRobot BT (Controller) was updated on May 17, 2026 and Alpha Code on September 23, 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.*