Comparison

Sphero Edu vs Merge Object Viewer

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

Head to head
About

Sphero Edu

This app allows users to learn and create with programmable robots. It offers multiple coding methods, from drawing paths to advanced text-based programming. Educators can manage classes and track student progress, making learning fun and interactive.

Highlights
  • Multiple programming modes (Draw, Block, Text)
  • Access sensor data via graphs
  • Pre-made STEAM lessons
  • Robot driving mode
  • Assignment creation for educators
  • Google/Clever account integration
Features
Read full description

Sphero Edu is your hub to create, contribute, and learn with Sphero robots. Go beyond code by incorporating unique STEAM lessons to complete with your bot. Designed for learner progression, Sphero Edu beginners can give robots commands by drawing a path in the app for their robot to follow. Intermediate coders can use Scratch blocks to learn more advanced logic, while pros can use text programming and write their own JavaScript or Python code. Sphero Edu is built for makers, learners, educators, and parents. The interactive platform allows you to keep track of your class or group from one easy place. Anyone can save their progress, jump from device to device, and continue the discovery from anywhere. Preparing for the future has never been so fun. SPHERO EDU FEATURES PROGRAMS: Program your bots in 3 ways with Draw, Block, and Text modes. Start with the basics and grow. SENSOR DATA: See location, accelerometer, gyroscope, velocity, and distance sensor data through visual graphs. LESSONS: Program a painting. Navigate a maze. Mimic the solar system. The only limit is your imagination. TAKE A DRIVE: Need a brain break? Set LED colors on your robot and zoom around in Drive mode. ASSIGNMENTS: Are you a teacher? Monitor progress by creating lessons and assigning them to your students. INTEGRATIONS: Simplify classroom use by signing in and syncing classrooms with Google and Clever accounts. COMPATIBILITY Supported Robots: Sphero BOLT+, Sphero BOLT, Sphero RVR/RVR+, Sphero SPRK+, Sphero SPRK Edition, Sphero 2.0, Sphero Mini, Ollie, BB-8, BB-9E, R2-D2, R2-Q5 Unsupported Robots: Sphero Original, Force Band, Lightning McQueen, Spider-Man, indi

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

Screenshots

Sphero Edu4 screens
Merge Object Viewer4 screens

Verdict

The call

The clearest difference is in-app purchases: Sphero Edu at none against Merge Object Viewer's 4. Sphero Edu also leads on review sentiment (65% vs 48%) and ratings volume (1.5K vs 390). On price, rating, update cadence and ads 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. Sphero Edu asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Sphero Edu against 4.5 for Merge Object Viewer. Both are backed by a comparable volume of ratings — 1.5K and 390 respectively. Written reviews are what separate them: 65% of Sphero Edu's written reviews are positive against 48% of Merge Object Viewer's.

UpkeepUpdate frequency

Sphero Edu ships an update every 5 weeks, Merge Object Viewer monthly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard3 real differences · 7 level
Sphero Edu versus Merge Object Viewer: the parameters behind the verdict, then further details
ParameterSphero EduMerge Object Viewer
PriceFreeFree
Rating4.5 (1.5K ratings) — better4.5 (390 ratings)
Positive reviews65.3% of reviews — better47.6% of reviews
Number of ratings1.5K — better390
Update frequencyEvery 5 weeksMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size194 MB414 MB
Age rating4+4+
DeveloperSphero, Inc.Merge Apps

Customer experience

Sphero Edu

All ratings1,532 ratings
Positive86.9%
Neutral3.5%
Negative9.6%
Written reviews274 reviews
Positive65.3%
Neutral7.7%
Negative27.0%

Merge Object Viewer

All ratings389 ratings
Positive86.9%
Neutral2.1%
Negative11.1%
Written reviews105 reviews
Positive47.6%
Neutral7.6%
Negative44.8%

User reviews

Sphero Edu

From 1.5K App Store ratings

What we love

  • 💡 Excellent for learning to code
  • 🚀 Fun and engaging to use
  • 👍 Great for kids and adults
  • 👍 Supports various Sphero models
  • 👍 Intuitive and user-friendly interface

Room to improve

  • 🐛 Frequent connection issues
  • 🐛 Crashes and bugs after updates
  • 🔋 Battery life problems
  • 🐛 Compatibility issues with older devices
  • 🐛 Unreliable performance

Merge Object Viewer

From 390 App Store ratings

What we love

  • 🚀 Engaging AR STEM tool
  • 👍 Intuitive interface
  • 👍 Seamless object merging
  • 👍 Extensive file format support
  • 👍 Convenient sharing options

Room to improve

  • 🐛 Frequent crashes
  • 🐛 Slow rendering/loading
  • 🐛 Compatibility issues on older devices
  • 🔒 Paywall for full access
  • 🐛 Unstable login/account management

Bugs and requests

Sphero Edu

Reported bugs

4 issues
  • Programs not saving properly
  • Firmware update issues
  • Inability to connect to certain Sphero models
  • Sign-in and registration problems

Requested features

5 requests
  • Add more coding blocks and functionality
  • Improve community features and sharing
  • Restore legacy app features (e.g., free drive mode)
  • Provide better documentation and tutorials
  • Allow custom sound and light effects

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

None

Sphero Edu

No 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

Questions

Is Sphero Edu free?
Sphero Edu is free to download, with no in-app purchases.
Is Merge Object Viewer free?
Merge Object Viewer is free to download, with in-app purchases available.
Which has better reviews, Sphero Edu or Merge Object Viewer?
Sphero Edu is rated higher. Sphero Edu averages 4.5 out of 5 from 1.5K ratings, while Merge Object Viewer averages 4.5 from 390 ratings.
Do Sphero Edu or Merge Object Viewer have ads?
Neither Sphero Edu nor Merge Object Viewer shows ads.
Which is updated more often, Sphero Edu or Merge Object Viewer?
Sphero Edu ships an update every 5 weeks, and Merge Object Viewer monthly. Most recently, Sphero Edu was updated on November 1, 2026 and Merge Object Viewer on November 2, 2026.

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