# Stratostar vs Evo by Ozobot

The clearest difference is rating: Stratostar at 5.0 against Evo by Ozobot's 4.6. Evo by Ozobot's advantage is ratings volume (1.1K vs 1) and update cadence (every 2 months vs every 10 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Stratostar holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Evo by Ozobot has 1.1K ratings behind it against 1, so its average is the more settled of the two.

Stratostar ships an update every 10 months, Evo by Ozobot every 2 months. The most recent releases landed on October 13, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Stratostar | Evo by Ozobot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stratostar/id1086485669/reviews)** | [4.6 (1.1K ratings)](https://appshunter.io/ios/app/evo-by-ozobot/id1145978152/reviews) |
| Number of ratings | 1 | **1.1K** |
| Positive reviews | — | 66.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 8 MB | 239 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AJ Technologies LLC](https://appshunter.io/developer/979376774) | [Evollve, Inc.](https://appshunter.io/developer/910831870) |

## What reviewers say

### Stratostar

[App page](https://appshunter.io/ios/app/stratostar/id1086485669)

Monitor and communicate with StratoStar electronics on the ground before a launch. Connect via Wi-Fi to display sensor data from the SatCom Flight Computer. Designed for use in close proximity to the device.

**Highlights:** Ground monitoring, Communication with electronics, Wi-Fi connectivity, Sensor data display, Compatible with SatCom Flight Computer

**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 Stratostar free?

Stratostar 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.

### Which has better reviews, Stratostar or Evo by Ozobot?

Stratostar is rated higher. Stratostar averages 5.0 out of 5 from 1 ratings, while Evo by Ozobot averages 4.6 from 1.1K ratings.

### Do Stratostar or Evo by Ozobot have ads?

Neither Stratostar nor Evo by Ozobot shows ads.

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

Stratostar ships an update every 10 months, and Evo by Ozobot every 2 months. Most recently, Stratostar was updated on October 13, 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.*