# Evo by Ozobot vs SAM Root

The clearest difference is rating: Evo by Ozobot at 4.6 against SAM Root's 3.8. Evo by Ozobot also leads on review sentiment (66% vs 46%) and ratings volume (1.1K vs 42). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Evo by Ozobot holds the better App Store score, 4.6 against 3.8. That said, the two scores are not equally well evidenced: Evo by Ozobot has 1.1K ratings behind it against 42, so its average is the more settled of the two. Written reviews point the same way: 66% of Evo by Ozobot's written reviews are positive against 46% of SAM Root's.

Evo by Ozobot ships an update every 2 months, SAM Root monthly. The most recent releases landed on September 20, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Evo by Ozobot | SAM Root |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/evo-by-ozobot/id1145978152/reviews)** | [3.8 (42 ratings)](https://appshunter.io/ios/app/sam-root/id1524652548/reviews) |
| Number of ratings | **1.1K** | 42 |
| Positive reviews | **66.0% of reviews** | 46.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 239 MB | 92 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Evollve, Inc.](https://appshunter.io/developer/910831870) | [SAM Labs](https://appshunter.io/developer/1033131753) |

## What reviewers say

### 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


### SAM Root

[App page](https://appshunter.io/ios/app/sam-root/id1524652548)

Learn programming through interactive robotics with three progressive coding levels, from graphical blocks to Python 3. Control robots in real-time or test your code with a built-in 3D simulator.

**Highlights:** Three progressive coding levels, Graphical blocks to Python 3, Real-time robot control, Built-in 3D simulator, Seamless level switching, Bluetooth robot pairing

**In-app purchases:** none


## Frequently asked questions

### Is Evo by Ozobot free?

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

### Is SAM Root free?

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

### Which has better reviews, Evo by Ozobot or SAM Root?

Evo by Ozobot is rated higher. Evo by Ozobot averages 4.6 out of 5 from 1.1K ratings, while SAM Root averages 3.8 from 42 ratings.

### Do Evo by Ozobot or SAM Root have ads?

Neither Evo by Ozobot nor SAM Root shows ads.

### Which is updated more often, Evo by Ozobot or SAM Root?

Evo by Ozobot ships an update every 2 months, and SAM Root monthly. Most recently, Evo by Ozobot was updated on September 20, 2026 and SAM Root on September 7, 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.*