# Wonder for Dash vs Merge Object Viewer

The clearest difference is in-app purchases: Wonder for Dash at none against Merge Object Viewer's 4. Wonder for Dash also leads on review sentiment (69% vs 48%). Merge Object Viewer's advantage is update cadence (monthly vs every 3 months). On price, rating, ratings volume 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. Wonder for Dash asks for nothing beyond the download.

Merge Object Viewer holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 476 and 390 respectively. Written reviews complicate that: 69% of Wonder for Dash's written reviews are positive against 48% of Merge Object Viewer's, so the app with the better star average is not the one people write more warmly about.

Wonder for Dash ships an update every 3 months, Merge Object Viewer monthly. The most recent releases landed on November 5, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Wonder for Dash | Merge Object Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (476 ratings)](https://appshunter.io/ios/app/wonder-for-dash/id1033035498/reviews) | **[4.5 (390 ratings)](https://appshunter.io/ios/app/merge-object-viewer/id1367544362/reviews)** |
| Number of ratings | **476** | 390 |
| Positive reviews | **68.9% of reviews** | 47.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 479 MB | 414 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MORAVIA Consulting, spol. s r.o.](https://appshunter.io/developer/1673101600) | [Merge Apps](https://appshunter.io/developer/1253049593) |

## What reviewers say

### Wonder for Dash

[App page](https://appshunter.io/ios/app/wonder-for-dash/id1033035498)

This app makes learning robotics fun and accessible for children aged 8 and up. It features a visual coding language and guided challenges to explore robotics and create custom inventions.

**Highlights:** Picture-based coding language, Guided coding challenges, Free Play mode for inventions, Transfer programs to robot, Explore diverse virtual environments, Teaches coding concepts

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great app for programming robots
- 🚀 Fun and engaging for kids
- 💡 Allows transferring programs to robots
- 👍 Easy to use and navigate
- 👍 Teaches coding and logic skills

**What reviewers complain about**

- 🐛 Frequent crashes and glitches
- 🐛 Bluetooth connectivity issues
- 🐛 Buggy app behavior
- 🔋 High battery consumption
- 🔒 Concerns about data privacy

**Reported bugs**

- App crashes when trying to run certain programs
- Bluetooth connection frequently drops
- Incorrect Bluetooth status detection
- Certain features and commands not working as expected
- App freezes or becomes unresponsive

**Requested features**

- Add more robots and accessories support
- Improve app stability and performance
- Implement a user profile system
- Add more advanced programming features
- Improve Bluetooth connectivity and reliability


### 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


## Frequently asked questions

### Is Wonder for Dash free?

Wonder for Dash is free to download, with no in-app purchases.

### Is Merge Object Viewer free?

Merge Object Viewer is free to download, with in-app purchases available.

### Which has better reviews, Wonder for Dash or Merge Object Viewer?

Merge Object Viewer is rated higher. Wonder for Dash averages 4.3 out of 5 from 476 ratings, while Merge Object Viewer averages 4.5 from 390 ratings.

### Do Wonder for Dash or Merge Object Viewer have ads?

Neither Wonder for Dash nor Merge Object Viewer shows ads.

### Which is updated more often, Wonder for Dash or Merge Object Viewer?

Wonder for Dash ships an update every 3 months, and Merge Object Viewer monthly. Most recently, Wonder for Dash was updated on November 5, 2026 and Merge Object Viewer on November 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.*