# Merge Object Viewer vs Hololab AR

The clearest difference is in-app purchases: Hololab AR at none against Merge Object Viewer's 4. Hololab AR also leads on update cadence (every 2 weeks vs monthly) and iOS requirement (11.0 vs 15.0). Merge Object Viewer's advantage is rating (4.5 vs 4.1) and review sentiment (48% vs 33%). On price, 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. Hololab AR asks for nothing beyond the download.

Merge Object Viewer holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: Merge Object Viewer has 389 ratings behind it against 46, so its average is the more settled of the two. Written reviews point the same way: 48% of Merge Object Viewer's written reviews are positive against 33% of Hololab AR's.

Merge Object Viewer ships an update monthly, Hololab AR every 2 weeks. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Merge Object Viewer | Hololab AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (389 ratings)](https://appshunter.io/ios/app/merge-object-viewer/id1367544362/reviews)** | [4.1 (46 ratings)](https://appshunter.io/ios/app/hololab-ar/id1378757797/reviews) |
| Number of ratings | **389** | 46 |
| Positive reviews | **47.6% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 414 MB | 224 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Merge Apps](https://appshunter.io/developer/1253049593) | [LightUp](https://appshunter.io/developer/817956892) |

## 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


### Hololab AR

[App page](https://appshunter.io/ios/app/hololab-ar/id1378757797)

Explore science through immersive 3D labs and augmented reality experiences. Learn about animals, space, electricity, and more with interactive models and guided lessons from a robot tutor. Educational games reinforce knowledge and skills.

**Highlights:** Augmented Reality 3D models, Interactive exploration of structures, Voice-guided lessons from robot tutor, Educational games, Topics: Animals, Space, Electricity, Climate Change

**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 Hololab AR free?

Hololab AR is free to download, with no in-app purchases.

### Which has better reviews, Merge Object Viewer or Hololab AR?

Merge Object Viewer is rated higher. Merge Object Viewer averages 4.5 out of 5 from 389 ratings, while Hololab AR averages 4.1 from 46 ratings.

### Do Merge Object Viewer or Hololab AR have ads?

Neither Merge Object Viewer nor Hololab AR shows ads.

### Which is updated more often, Merge Object Viewer or Hololab AR?

Merge Object Viewer ships an update monthly, and Hololab AR every 2 weeks. Most recently, Merge Object Viewer was updated on October 13, 2026 and Hololab AR on October 16, 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.*