# Merge Object Viewer vs LeARn Lab

The clearest difference is in-app purchases: LeARn Lab at none against Merge Object Viewer's 4. Merge Object Viewer's advantage is ratings volume (389 vs 7) and update cadence (monthly vs every 2 months). On price, rating, 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. LeARn Lab asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Merge Object Viewer against 4.4 for LeARn Lab. That said, the two scores are not equally well evidenced: Merge Object Viewer has 389 ratings behind it against 7, so its average is the more settled of the two.

Merge Object Viewer ships an update monthly, LeARn Lab every 2 months. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Merge Object Viewer | LeARn Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (389 ratings)](https://appshunter.io/ios/app/merge-object-viewer/id1367544362/reviews)** | [4.4 (7 ratings)](https://appshunter.io/ios/app/learn-lab/id1638501094/reviews) |
| Number of ratings | **389** | 7 |
| Positive reviews | 47.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 414 MB | 399 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Merge Apps](https://appshunter.io/developer/1253049593) | [Rushan Wasim](https://appshunter.io/developer/1638501096) |

## 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


### LeARn Lab

[App page](https://appshunter.io/ios/app/learn-lab/id1638501094)

This app uses augmented reality to bring educational content from books to life. Scan images within physical books to unlock interactive 3D models and engaging learning experiences.

**Highlights:** Augmented reality book scanning, Interactive 3D models, Engaging learning experiences, Brings educational content to life

**Features:** macOS Compatibility

**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 LeARn Lab free?

LeARn Lab is free to download, with no in-app purchases.

### Which has better reviews, Merge Object Viewer or LeARn Lab?

Merge Object Viewer is rated higher. Merge Object Viewer averages 4.5 out of 5 from 389 ratings, while LeARn Lab averages 4.4 from 7 ratings.

### Do Merge Object Viewer or LeARn Lab have ads?

Neither Merge Object Viewer nor LeARn Lab shows ads.

### Which is updated more often, Merge Object Viewer or LeARn Lab?

Merge Object Viewer ships an update monthly, and LeARn Lab every 2 months. Most recently, Merge Object Viewer was updated on October 9, 2026 and LeARn Lab on October 1, 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.*