# Merge Object Viewer vs Robotical

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.

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.

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

## The numbers

| Metric | Merge Object Viewer | Robotical |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (389 ratings)](https://appshunter.io/ios/app/merge-object-viewer/id1367544362/reviews)** | — |
| Number of ratings | **389** | — |
| Positive reviews | 47.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 414 MB | 25 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) | [Robotical Ltd](https://appshunter.io/developer/1317775542) |

## 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


### Robotical

[App page](https://appshunter.io/ios/app/robotical/id6739531583)

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

**In-app purchases:** none


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