Comparison

Merge Object Viewer vs Robotical

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Hundreds of 3D teaching aids
  • Interactive 3D models
  • Learn about science and biology
  • Upload and view custom 3D objects
  • Hands-on digital learning
Features
Read full description

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

About

Robotical

Features
Read full description

====Important: This app requires an additional 30MB download after installation to access all features.===== The Robotical app is the new home for controlling and coding your Robotical devices. This app lets you connect, control, and code with both Marty the Robot and Cog in one seamless, hassle-free experience. Whether you are just getting started or expanding your Robotical setup, everything you need is now in one place. With built-in activities and a structured learning journey, the app makes it easy to move from first coding steps to more advanced projects. Key Features: Control Marty and Cog Connect and control both Marty the Robot and Cog directly from the app, with a smooth and intuitive interface. Built-in activities Get started quickly with guided activities designed to help you explore features, learn coding concepts, and build confidence. Designed for learning The app introduces coding concepts in a clear and accessible way, with a device-based approach that supports a structured learning progression without requiring prior experience. Blocks Jr offers a simple, visual introduction to coding, where you can control Marty and Cog alongside on screen sprites with simple icon-based blocks. Then students can move to Marty Controller to learn sequencing with Marty. And as learners progress, Blocks unlocks more advanced tools, allowing you to control multiple Marty and Cog devices, and explore AI and machine learning using sound, image, and gesture models. The Sensor Dashboard allows students to explore real-world data with Marty’s sensors. Cog Games adds a further layer of gamified learning, helping reinforce key concepts through play based challenges that encourage sustained engagement with STEM learning. Important Information: New app experience This is the latest Robotical app, offering improved performance, new features, and support for both Marty the Robot and Robotical Cog. The previous Robotical app is still available, but it is no longer being updated with new features. For the best experience, we recommend moving to this new app.

Screenshots

Merge Object Viewer4 screens
Robotical4 screens

Verdict

The call

The clearest difference is in-app purchases: Robotical at none against Merge Object Viewer's 4. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Merge Object Viewer sells 4 in-app purchases, starting at $9.99 per month. Robotical asks for nothing beyond the download.

UpkeepUpdate frequency

Merge Object Viewer ships an update monthly, Robotical fortnightly. The most recent releases landed on September 29, 2026 and September 21, 2026 respectively.

Scorecard1 real difference · 9 level
Merge Object Viewer versus Robotical: the parameters behind the verdict, then further details
ParameterMerge Object ViewerRobotical
PriceFreeFree
Rating4.5 (389 ratings) — better—
Positive reviews47.6% of reviews—
Number of ratings389 — better—
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size414 MB25 MB
Age rating4+4+
DeveloperMerge AppsRobotical Ltd

Bugs and 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

Robotical

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Merge Object Viewer

Subscriptions4
  • 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
Show 1 more
  • Merge EDU Individual14 Days trial$99.991 Year
None

Robotical

No in-app purchases

Questions

Is Merge Object Viewer free?
Merge Object Viewer is free to download, with in-app purchases available.
Is Robotical free?
Robotical is free to download, with no in-app purchases.
Do Merge Object Viewer or Robotical have ads?
Neither Merge Object Viewer nor Robotical shows ads.
Which is updated more often, Merge Object Viewer or Robotical?
Merge Object Viewer ships an update monthly, and Robotical fortnightly. Most recently, Merge Object Viewer was updated on September 29, 2026 and Robotical on September 21, 2026.

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