# Rumis (Blokus 3D) by LaForce vs Feynman diagram

The clearest difference is iOS requirement: Rumis (Blokus 3D) by LaForce at 13.0 against Feynman diagram's 16.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Rumis (Blokus 3D) by LaForce | Feynman diagram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rumis-blokus-3d-by-laforce/id1551935557/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 2 MB | 3 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zhengyuan Dong](https://appshunter.io/developer/1500200114) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Rumis (Blokus 3D) by LaForce

[App page](https://appshunter.io/ios/app/rumis-blokus-3d-by-laforce/id1551935557)

This is a digital implementation of a popular abstract strategy board game. Players take turns placing polyominoes on a grid, aiming to score points by covering the board and placing blocks. It supports local and online multiplayer.

**Highlights:** Digital implementation of Rumis/Blokus 3D, Multi-player via GameCenter, ARKit support on compatible devices, Local and online game modes, Zoom functionality, Game history browsing, In-game rule explanations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Feynman diagram

[App page](https://appshunter.io/ios/app/feynman-diagram/id6475814531)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rumis (Blokus 3D) by LaForce free?

Rumis (Blokus 3D) by LaForce is free to download, with no in-app purchases.

### Is Feynman diagram free?

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

### Do Rumis (Blokus 3D) by LaForce or Feynman diagram have ads?

Neither Rumis (Blokus 3D) by LaForce nor Feynman diagram shows ads.

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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.*