EnginoRobot BT (Controller) vs Merge Object Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EnginoRobot BT (Controller)
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This application is a remote control for the Engino Robotics Platform. By connecting to the device's Bluetooth Access Point you can control the robot using this app. Engino Robotics Platform is specially designed for Primary and Secondary level students and takes into account the most modern pedagogical principles of learning. You can learn more by following this link: http://www.enginorobotics.com
Merge Object Viewer
Explore hundreds of 3D digital teaching aids with this app. Students can interact with models of rocks, mammals, cells, and more. The app also allows users to upload and view their own 3D objects on a compatible device.
- Hundreds of 3D teaching aids
- Interactive 3D models
- Learn about science and biology
- Upload and view custom 3D objects
- Hands-on digital learning
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PLEASE NOTE: This app requires a Merge Cube and a smartphone or a tablet to play. To find out how to get a Merge Cube and to learn more, visit our website at: https://www.MergeCube.com. Object Viewer puts hundreds of digital teaching aids in the palm of your hand! Students can learn about rocks and minerals, mammals, reptiles, lifecycles, cells, and so much more using different collections of hands-on 3D models. Students can also upload, view, and share their own 3D objects on the Merge Cube. If you have any questions or suggestions, we would love to hear from you! Contact us at any time at support@MergeEdu.com. Privacy Policy: https://MergeEdu.com/privacy-policy Terms of Use: https://MergeEdu.com/terms-of-use
Screenshots
Verdict
The clearest difference is in-app purchases: EnginoRobot BT (Controller) at none against Merge Object Viewer's 4. EnginoRobot BT (Controller) also leads on iOS requirement (12.0 vs 15.0). Merge Object Viewer's advantage is update cadence (monthly vs every 4 months). On price, ads and device support 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. Merge Object Viewer sells 4 in-app purchases, starting at $9.99 per month. EnginoRobot BT (Controller) asks for nothing beyond the download.
EnginoRobot BT (Controller) ships an update every 4 months, Merge Object Viewer monthly. The most recent releases landed on May 17, 2026 and August 12, 2026 respectively.
| Parameter | EnginoRobot BT (Controller) | Merge Object Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (390 ratings) — better |
| Positive reviews | — | 48.1% of reviews |
| Number of ratings | — | 390 — better |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 50 MB | 414 MB |
| Age rating | 4+ | 4+ |
| Developer | ENGINO TOY SYSTEMS LIMITED | Merge Apps |
Bugs and requests
EnginoRobot BT (Controller)
Not enough reviews yet to summarise bugs or requests.
Merge Object Viewer
Reported bugs
4 issues- Objects not loading or displaying incorrectly
- App freezing or closing unexpectedly
- Labeling/annotation issues with 3D objects
- Compatibility problems on iPads and older iOS versions
Requested features
5 requests- Adjustable lighting for 3D objects
- Ability to snap objects together
- Camera button for capturing scenes
- Restore VR support
- More free 3D content options
In-app purchases
EnginoRobot BT (Controller)
No in-app purchases
Merge Object Viewer
- Object Viewer Premium Monthly14 Days trial$9.991 Month
- Merge EDU Individual14 Days trial$9.991 Month
- Object Viewer Premium Annual14 Days trial$99.991 Year
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- Merge EDU Individual14 Days trial$99.991 Year
Questions
Is EnginoRobot BT (Controller) free?
Is Merge Object Viewer free?
Do EnginoRobot BT (Controller) or Merge Object Viewer have ads?
Which is updated more often, EnginoRobot BT (Controller) or Merge Object Viewer?
Other comparisons
