# CKT EM system vs Rubik Solver

The clearest difference is update cadence: Rubik Solver at every 3 months against CKT EM system's every 10 months. CKT EM system's advantage is iOS requirement (11.0 vs 13.0). 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.

CKT EM system ships an update every 10 months, Rubik Solver every 3 months. The most recent releases landed on October 4, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | CKT EM system | Rubik Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/rubik-solver/id6756696559/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 55 MB | 29 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Norray Resource Pty. Ltd.](https://appshunter.io/developer/1054877991) | [1576136 B.C. Ltd.](https://appshunter.io/developer/6784537580) |

## What reviewers say

### CKT EM system

[App page](https://appshunter.io/ios/app/ckt-em-system/id1538725058)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rubik Solver

[App page](https://appshunter.io/ios/app/rubik-solver/id6756696559)

This app provides step-by-step solutions for solving 3x3 Rubik's cubes. It offers both 2D and 3D visualizations of the cube and allows for manual input or automatic solving.

**Highlights:** Step-by-step solutions, 3D cube visualization, 2D cube visualization, Manual cube input, Automatic solving algorithms

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CKT EM system free?

CKT EM system is free to download, with no in-app purchases.

### Is Rubik Solver free?

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

### Do CKT EM system or Rubik Solver have ads?

Neither CKT EM system nor Rubik Solver shows ads.

### Which is updated more often, CKT EM system or Rubik Solver?

CKT EM system ships an update every 10 months, and Rubik Solver every 3 months. Most recently, CKT EM system was updated on October 4, 2026 and Rubik Solver on September 18, 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.*