# Merge Object Viewer vs LPBookspace

The clearest difference is in-app purchases: LPBookspace at none against Merge Object Viewer's 4. LPBookspace also leads on iOS requirement (12.0 vs 15.0). Merge Object Viewer's advantage is ratings volume (389 vs 8). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Merge Object Viewer sells 4 in-app purchases, starting at $9.99 per month. LPBookspace 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 LPBookspace. That said, the two scores are not equally well evidenced: Merge Object Viewer has 389 ratings behind it against 8, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Merge Object Viewer | LPBookspace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (389 ratings)](https://appshunter.io/ios/app/merge-object-viewer/id1367544362/reviews)** | [4.4 (8 ratings)](https://appshunter.io/ios/app/lpbookspace/id1574950529/reviews) |
| Number of ratings | **389** | 8 |
| Positive reviews | 47.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 414 MB | 140 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Merge Apps](https://appshunter.io/developer/1253049593) | [Living Popups Inc.](https://appshunter.io/developer/1439637646) |

## 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


### LPBookspace

[App page](https://appshunter.io/ios/app/lpbookspace/id1574950529)

This augmented reality app enhances reading by bringing book characters to life. It provides context, vocabulary support, and clarifies concepts, leading to better comprehension and engagement for readers of all levels. Ideal for home, school, and library use.

**Highlights:** Augmented reality experiences, Character interaction, Vocabulary support, Concept clarification, Improved comprehension, Increased retention

**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 LPBookspace free?

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

### Which has better reviews, Merge Object Viewer or LPBookspace?

Merge Object Viewer is rated higher. Merge Object Viewer averages 4.5 out of 5 from 389 ratings, while LPBookspace averages 4.4 from 8 ratings.

### Do Merge Object Viewer or LPBookspace have ads?

Neither Merge Object Viewer nor LPBookspace shows ads.

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

Merge Object Viewer ships an update monthly, and LPBookspace monthly. Most recently, Merge Object Viewer was updated on October 13, 2026 and LPBookspace on October 3, 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.*