Merge Object Viewer vs Plei
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Plei
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Transforme a experiência educacional com o Plei App, um aplicativo 3D que oferece praticidade e acessibilidade. Com aprendizagem ativa e inovação tecnológica, o Plei App revoluciona a interação com o conteúdo educacional, proporcionando uma experiência envolvente e eficaz.
Screenshots
Verdict
The clearest difference is in-app purchases: Plei at none against Merge Object Viewer's 4. Plei also leads on update cadence (every 2 days vs monthly) and iOS requirement (12.0 vs 15.0). 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. Plei asks for nothing beyond the download.
Merge Object Viewer ships an update monthly, Plei every 2 days. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.
| Parameter | Merge Object Viewer | Plei |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (390 ratings) — better | — |
| Positive reviews | 47.6% of reviews | — |
| Number of ratings | 390 — better | — |
| Update frequency | Monthly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 414 MB | 151 MB |
| Age rating | 4+ | 4+ |
| Developer | Merge Apps | CAEX |
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
Plei
Not enough reviews yet to summarise bugs or requests.
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
Plei
No in-app purchases
Questions
Is Merge Object Viewer free?
Is Plei free?
Do Merge Object Viewer or Plei have ads?
Which is updated more often, Merge Object Viewer or Plei?
Other comparisons
