# Merge Object Viewer vs BU Reserve

The clearest difference is review sentiment: Merge Object Viewer at 48% against BU Reserve's 0%. Merge Object Viewer also leads on rating (4.5 vs 3.9) and ads (none vs shown). BU Reserve's advantage is in-app purchases (none vs 4) and update cadence (weekly vs monthly). On price, device support and iOS requirement there is nothing between them.

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

Merge Object Viewer holds the better App Store score, 4.5 against 3.9. That said, the two scores are not equally well evidenced: Merge Object Viewer has 389 ratings behind it against 11, 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 0% of BU Reserve's.

Merge Object Viewer ships an update monthly, BU Reserve weekly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Merge Object Viewer | BU Reserve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (389 ratings)](https://appshunter.io/ios/app/merge-object-viewer/id1367544362/reviews)** | [3.9 (11 ratings)](https://appshunter.io/ios/app/bu-reserve/id6476447928/reviews) |
| Number of ratings | **389** | 11 |
| Positive reviews | **47.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 414 MB | 4 MB |
| Requires iOS | 15.0 | **14.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Merge Apps](https://appshunter.io/developer/1253049593) | [Chase Lenhart](https://appshunter.io/developer/1726764721) |

## 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


### BU Reserve

[App page](https://appshunter.io/ios/app/bu-reserve/id6476447928)

This application allows users to make reservations for various resources. It simplifies the booking process for available items and services.

**Highlights:** Resource reservation, Booking system, Simplified process

**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 BU Reserve free?

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

### Which has better reviews, Merge Object Viewer or BU Reserve?

Merge Object Viewer is rated higher. Merge Object Viewer averages 4.5 out of 5 from 389 ratings, while BU Reserve averages 3.9 from 11 ratings.

### Do Merge Object Viewer or BU Reserve have ads?

BU Reserve shows ads; Merge Object Viewer does not.

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

Merge Object Viewer ships an update monthly, and BU Reserve weekly. Most recently, Merge Object Viewer was updated on October 22, 2026 and BU Reserve on October 24, 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.*