# Math VR vs Merge Object Viewer

The clearest difference is rating: Merge Object Viewer at 4.5 against Math VR's 4.0. Merge Object Viewer also leads on ratings volume (389 vs 1) and review sentiment (48% vs 33%). Math VR's advantage is in-app purchases (none vs 4) and iOS requirement (7.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

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

Merge Object Viewer holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Merge Object Viewer has 389 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of Math VR's written reviews are positive against 48% of Merge Object Viewer's.

Math VR ships an update every 5 weeks, Merge Object Viewer monthly. The most recent releases landed on September 27, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Math VR | Merge Object Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/math-vr/id1345856245/reviews) | **[4.5 (389 ratings)](https://appshunter.io/ios/app/merge-object-viewer/id1367544362/reviews)** |
| Number of ratings | 1 | **389** |
| Positive reviews | 33.3% of reviews | **47.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 490 MB | 414 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACE-Learning Systems Pte. Ltd.](https://appshunter.io/developer/560980334) | [Merge Apps](https://appshunter.io/developer/1253049593) |

## What reviewers say

### Math VR

[App page](https://appshunter.io/ios/app/math-vr/id1345856245)

This app creates immersive learning experiences using augmented reality to help students grasp complex concepts. It aims to capture attention and foster deeper understanding in educational settings.

**Highlights:** Active learning experiences, Augmented reality models, Improved concept understanding, Captures student attention, Redefines learning space

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Math VR free?

Math VR 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, Math VR or Merge Object Viewer?

Merge Object Viewer is rated higher. Math VR averages 4.0 out of 5 from 1 ratings, while Merge Object Viewer averages 4.5 from 389 ratings.

### Do Math VR or Merge Object Viewer have ads?

Neither Math VR nor Merge Object Viewer shows ads.

### Which is updated more often, Math VR or Merge Object Viewer?

Math VR ships an update every 5 weeks, and Merge Object Viewer monthly. Most recently, Math VR was updated on September 27, 2026 and Merge Object Viewer on October 9, 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.*