# Merge Object Viewer vs Itty Bitty Buggy

The clearest difference is rating: Merge Object Viewer at 4.5 against Itty Bitty Buggy's 3.9. Merge Object Viewer also leads on ratings volume (389 vs 21). Itty Bitty Buggy's advantage is in-app purchases (none vs 4). On price, review sentiment, 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. Itty Bitty Buggy 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 21, 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 44% of Itty Bitty Buggy's.

Merge Object Viewer ships an update monthly, Itty Bitty Buggy every 3 weeks. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Merge Object Viewer | Itty Bitty Buggy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (389 ratings)](https://appshunter.io/ios/app/merge-object-viewer/id1367544362/reviews)** | [3.9 (21 ratings)](https://appshunter.io/ios/app/itty-bitty-buggy/id1434010722/reviews) |
| Number of ratings | **389** | 21 |
| Positive reviews | **47.6% of reviews** | 44.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 414 MB | 61 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Merge Apps](https://appshunter.io/developer/1253049593) | [Microduino Inc.](https://appshunter.io/developer/1089041394) |

## 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


### Itty Bitty Buggy

[App page](https://appshunter.io/ios/app/itty-bitty-buggy/id1434010722)

Build and control various shapes for a virtual buggy. Offers five distinct styles and four control gameplay modes for interactive real-world play.

**Highlights:** Build various shapes, Control buggy movement, Five distinct styles, Four control gameplay modes, Interactive real-world play

**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 Itty Bitty Buggy free?

Itty Bitty Buggy is free to download, with no in-app purchases.

### Which has better reviews, Merge Object Viewer or Itty Bitty Buggy?

Merge Object Viewer is rated higher. Merge Object Viewer averages 4.5 out of 5 from 389 ratings, while Itty Bitty Buggy averages 3.9 from 21 ratings.

### Do Merge Object Viewer or Itty Bitty Buggy have ads?

Neither Merge Object Viewer nor Itty Bitty Buggy shows ads.

### Which is updated more often, Merge Object Viewer or Itty Bitty Buggy?

Merge Object Viewer ships an update monthly, and Itty Bitty Buggy every 3 weeks. Most recently, Merge Object Viewer was updated on October 9, 2026 and Itty Bitty Buggy on October 2, 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.*