# Merge Object Viewer vs Assemblr EDU

The clearest difference is review sentiment: Assemblr EDU at 100% against Merge Object Viewer's 48%. Assemblr EDU also leads on update cadence (every 2 weeks vs monthly). Merge Object Viewer's advantage is ratings volume (389 vs 5) and rating (4.5 vs 4.2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Merge Object Viewer sells 4 in-app purchases, starting at $9.99 per month and Assemblr EDU sells 16 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Merge Object Viewer holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Merge Object Viewer has 389 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 48% of Merge Object Viewer's written reviews are positive against 100% of Assemblr EDU's, so the app with the better star average is not the one people write more warmly about.

Merge Object Viewer ships an update monthly, Assemblr EDU every 2 weeks. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Merge Object Viewer | Assemblr EDU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (389 ratings)](https://appshunter.io/ios/app/merge-object-viewer/id1367544362/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/assemblr-edu-learn-in-3d-and-ar/id1505499586/reviews) |
| Number of ratings | **389** | 5 |
| Positive reviews | 47.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 414 MB | 5 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Merge Apps](https://appshunter.io/developer/1253049593) | [Assemblr](https://appshunter.io/developer/1425741171) |

## What reviewers say

### Merge Object Viewer

[App page](https://appshunter.io/ios/app/merge-object-viewer/id1367544362)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Object Viewer Premium Monthly | $9.99 | per month |
| Merge EDU Individual | $9.99 | per month |
| Object Viewer Premium Annual | $99.99 | per year |
| Merge EDU Individual | $99.99 | per year |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- 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**

- Adjustable lighting for 3D objects
- Ability to snap objects together
- Camera button for capturing scenes
- Restore VR support
- More free 3D content options


### Assemblr EDU

[App page](https://appshunter.io/ios/app/assemblr-edu-learn-in-3d-and-ar/id1505499586)

This platform empowers educators and students with interactive 3D and AR learning experiences. Access ready-made lessons, utilize extensive 3D teaching aids, and create custom projects with an easy drag-and-drop editor. Facilitate virtual classes and bring student creations to life in augmented reality.

**Highlights:** Hundreds of ready-to-use 3D/AR topics, 6,000+ animated 3D teaching aids, Drag-and-drop 3D/AR project editor, Augmented reality project presentations, Virtual class setup and connection, Compatible with all devices

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Plan 1 Week | $1.99 | per 7 days |
| Individual Plan 1 Month | $4.99 | per month |
| Group Plan (3 Seats) | $4.99 | per month |
| Single Monthly | $8.00 | per month |
| CREATOR EDU MONTHLY (+350 BLR) | $8.99 | per month |
| CREATOR EDU MONTHLY (+350 BLR) | $20.00 | per month |
| Single Yearly | $80.00 | per year |
| Group Yearly | $209.99 | per year |
| CREATOR EDU MONTHLY (+350 BLR) | $250.00 | per month |
| Custom Marker Voucher | $2.99 | one-time |
| Custom Marker Voucher 5 | $13.99 | one-time |
| 500 BLR Coins | $14.49 | one-time |
| Custom Marker Voucher 10 | $24.99 | one-time |
| 1000 BLR Coins | $28.49 | one-time |
| 1500 BLR Coins | $42.90 | one-time |
| 2000 BLR Coins | $57.00 | one-time |


## Frequently asked questions

### Is Merge Object Viewer free?

Merge Object Viewer is free to download, with in-app purchases available.

### Is Assemblr EDU free?

Assemblr EDU is free to download, with in-app purchases available.

### Which has better reviews, Merge Object Viewer or Assemblr EDU?

Merge Object Viewer is rated higher. Merge Object Viewer averages 4.5 out of 5 from 389 ratings, while Assemblr EDU averages 4.2 from 5 ratings.

### Do Merge Object Viewer or Assemblr EDU have ads?

Neither Merge Object Viewer nor Assemblr EDU shows ads.

### Which is updated more often, Merge Object Viewer or Assemblr EDU?

Merge Object Viewer ships an update monthly, and Assemblr EDU every 2 weeks. Most recently, Merge Object Viewer was updated on October 13, 2026 and Assemblr EDU on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*