# Rubiked vs Ultra Sharpie | Pen Magic App

The clearest difference is iOS requirement: Rubiked at 10.0 against Ultra Sharpie | Pen Magic App's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Rubiked ships an update fortnightly, Ultra Sharpie | Pen Magic App every 4 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Rubiked | Ultra Sharpie | Pen Magic App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (18 ratings)](https://appshunter.io/ios/app/rubiked/id1450518882/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 22.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | Paid | — |
| Size | 72 MB | 44 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Bigmagie](https://appshunter.io/developer/1450518881) | [Javier Franco](https://appshunter.io/developer/1742355282) |

## What reviewers say

### Rubiked

[App page](https://appshunter.io/ios/app/rubiked/id1450518882)

This app enables a magic trick where you can predict the outcome of a randomly shuffled Rubik's Cube. The prediction can be revealed via a photo on your smartphone, your website, or through Google Images, even after spectators have shuffled the cube themselves.

**Highlights:** Predict random cube shuffles, Reveal prediction on smartphone, Use photo from gallery, Predict on your website, Google Images prediction (upcoming)

**In-app purchases:** none


### Ultra Sharpie | Pen Magic App

[App page](https://appshunter.io/ios/app/ultra-sharpie-pen-magic-app/id6499077337)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Rubiked free?

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

### Is Ultra Sharpie | Pen Magic App free?

Ultra Sharpie | Pen Magic App is free to download, with no in-app purchases.

### Do Rubiked or Ultra Sharpie | Pen Magic App have ads?

Neither Rubiked nor Ultra Sharpie | Pen Magic App shows ads.

### Which is updated more often, Rubiked or Ultra Sharpie | Pen Magic App?

Rubiked ships an update fortnightly, and Ultra Sharpie | Pen Magic App every 4 weeks. Most recently, Rubiked was updated on November 2, 2026 and Ultra Sharpie | Pen Magic App on October 30, 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.*