Stratostar vs Evo by Ozobot
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stratostar
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.
- Ground monitoring
- Communication with electronics
- Wi-Fi connectivity
- Sensor data display
- Compatible with SatCom Flight Computer
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The StratoStar App allows you to monitor and communicate with your StratoStar electronics on the ground before a launch. StratoStar is an Aerospace company founded in 2006, delivering end-to-end high-altitude weather ballooning equipment, avionics, software, training, curriculum, and launch services for aerospace and education organizations. This application is compatible with StratoStar’s SatCom Flight Computer. Download the application and use Wifi to connect directly with your SatCom Flight Computer. When connected, data will be displayed on the application from the sensors within the SatCom Flight Computer. This application is intended for use on the ground with close proximity to SatCom (2-3ft). For tracking the SatCom while in flight, you will need to monitor the Mission Page online, which is provided by your Flight Director and has been previously scheduled. For more information on StratoStar’s products and services related to weather balloons and high-altitude balloons, visit www.StratoStar.com
Evo by Ozobot
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.
- Learn with robot companion
- Create with robot companion
- Connect with robot companion
- Ozobot Blockly access
- Classroom resources
- FAQs and support
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Meet your go-to companion to learn, create and connect with Evo, all from your smartphone or tablet. For use at school or at home, the Evo App offers quick access to Ozobot Blockly, Classroom, FAQs and more to get the most out of your Ozobot experience.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Stratostar | Evo by Ozobot |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.6 (1.1K ratings) |
| Positive reviews | — | 66.0% of reviews |
| Number of ratings | 1 | 1.1K — better |
| Update frequency | Every 10 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 239 MB |
| Age rating | 4+ | 4+ |
| Developer | AJ Technologies LLC | Evollve, Inc. |
Customer experience
Stratostar
Evo by Ozobot
Bugs and requests
Stratostar
Not enough reviews yet to summarise bugs or requests.
Evo by Ozobot
Reported bugs
3 issues- Firmware update bricking Ozobot devices
- Inability to connect and calibrate Ozobot with the app
- Saved programs not working after app updates
Requested features
4 requests- 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
In-app purchases
Stratostar
No in-app purchases
Evo by Ozobot
No in-app purchases
Questions
Is Stratostar free?
Is Evo by Ozobot free?
Which has better reviews, Stratostar or Evo by Ozobot?
Do Stratostar or Evo by Ozobot have ads?
Which is updated more often, Stratostar or Evo by Ozobot?
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