# 4D VIEWR vs CellRobot

The clearest difference is rating: CellRobot at 5.0 against 4D VIEWR's 4.3. CellRobot also leads on update cadence (every 6 weeks vs every 8 months) and iOS requirement (9.0 vs 15.0). 4D VIEWR's advantage is ratings volume (6 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CellRobot holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: 4D VIEWR has 6 ratings behind it against 1, so its average is the more settled of the two.

4D VIEWR ships an update every 8 months, CellRobot every 6 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 4D VIEWR | CellRobot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/4d-viewr-4d-viewer-app/id926102239/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cellrobot/id1129134602/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 267 MB | 142 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Dennis Pinheiro](https://appshunter.io/developer/867942145) | [Beijing KEYi Technology Co., Ltd.](https://appshunter.io/developer/1129134601) |

## What reviewers say

### 4D VIEWR

[App page](https://appshunter.io/ios/app/4d-viewr-4d-viewer-app/id926102239)

Experience augmented and virtual reality by bringing enhanced products to life. Point your device's camera at special images to unlock interactive 4D scenes with videos and exploration.

**Highlights:** Augmented reality viewing, Virtual reality experiences, Interactive 4D scenes, Watch videos within scenes, Explore enhanced products, Scan 4D VIEWR-enhanced images

**In-app purchases:** none


### CellRobot

[App page](https://appshunter.io/ios/app/cellrobot/id1129134602)

This application serves as the controller for a custom modular robot system. It enables users to build and program various robot configurations, fostering creativity and engineering knowledge through hands-on exploration. Requires the purchase of the robot hardware to function.

**Highlights:** Control custom modular robots, Build hundreds of robot shapes, Visual script programming, Hands-on engineering exploration, Inspires creativity

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 4D VIEWR free?

4D VIEWR is free to download, with no in-app purchases.

### Is CellRobot free?

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

### Which has better reviews, 4D VIEWR or CellRobot?

CellRobot is rated higher. 4D VIEWR averages 4.3 out of 5 from 6 ratings, while CellRobot averages 5.0 from 1 ratings.

### Do 4D VIEWR or CellRobot have ads?

Neither 4D VIEWR nor CellRobot shows ads.

### Which is updated more often, 4D VIEWR or CellRobot?

4D VIEWR ships an update every 8 months, and CellRobot every 6 weeks. Most recently, 4D VIEWR was updated on October 24, 2026 and CellRobot on October 10, 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.*