# EnginoRobot BT (Controller) vs Evo by Ozobot

The clearest difference is update cadence: Evo by Ozobot at every 2 months 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, Evo by Ozobot every 2 months. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | EnginoRobot BT (Controller) | Evo by Ozobot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/evo-by-ozobot/id1145978152/reviews)** |
| Number of ratings | — | **1.1K** |
| Positive reviews | — | 66.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 50 MB | 239 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Engino](https://appshunter.io/developer/875789415) | [Evollve, Inc.](https://appshunter.io/developer/910831870) |

## What reviewers say

### EnginoRobot BT (Controller)

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Evo by Ozobot

[App page](https://appshunter.io/ios/app/evo-by-ozobot/id1145978152)

This app serves as a companion for learning and creating with a robot companion. It provides access to coding tools, classroom resources, and support to maximize the robot's capabilities for educational and home use.

**Highlights:** Learn with robot companion, Create with robot companion, Connect with robot companion, Ozobot Blockly access, Classroom resources, FAQs and support

**In-app purchases:** none

**What reviewers like**

- 🤩 Fun and engaging app
- 👍 User-friendly interface
- 💡 Innovative features like Ozoblockly programming
- 🤖 Great for learning about robotics and coding

**What reviewers complain about**

- 🐛 Frequent app crashes and bugs
- 🔧 Stripped of many features after recent update
- 🔋 Poor battery life for the Ozobot Evo
- 📱 Connectivity issues with the app and Ozobot

**Reported bugs**

- Firmware update bricking Ozobot devices
- Inability to connect and calibrate Ozobot with the app
- Saved programs not working after app updates

**Requested features**

- Bring back removed features like customization, tricks, and accounts
- Add battery percentage indicator for Ozobot Evo
- Improve app navigation and make key functions more accessible
- Expand programming and coding capabilities


## Frequently asked questions

### Is EnginoRobot BT (Controller) free?

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

### Is Evo by Ozobot free?

Evo by Ozobot is free to download, with no in-app purchases.

### Do EnginoRobot BT (Controller) or Evo by Ozobot have ads?

Neither EnginoRobot BT (Controller) nor Evo by Ozobot shows ads.

### Which is updated more often, EnginoRobot BT (Controller) or Evo by Ozobot?

EnginoRobot BT (Controller) ships an update every 4 months, and Evo by Ozobot every 2 months. Most recently, EnginoRobot BT (Controller) was updated on October 26, 2026 and Evo by Ozobot on October 21, 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.*