# Turing Machine Simulator vs Sudokube 3D

The clearest difference is price: Sudokube 3D at Free against Turing Machine Simulator's $2.99. Sudokube 3D also leads on update cadence (every 5 days vs every 16 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Sudokube 3D is free to download; Turing Machine Simulator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Turing Machine Simulator ships an update every 16 months, Sudokube 3D every 5 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Turing Machine Simulator | Sudokube 3D |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/turing-machine-simulator/id303032123/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 2 MB | 10 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Alexander Clauss](https://appshunter.io/developer/286091996) | [小健 赵](https://appshunter.io/developer/1521832312) |

## What reviewers say

### Turing Machine Simulator

[App page](https://appshunter.io/ios/app/turing-machine-simulator/id303032123)

This application simulates Turing Machines, a fundamental concept in computer science and mathematics for analyzing algorithm computability. It offers a digital alternative to paper-and-pencil simulations, allowing users to write, execute, and analyze programs step-by-step with adjustable execution speeds.

**Highlights:** Turing Machine simulation, Program execution and analysis, Step-by-step execution, Adjustable execution speed, Export/import programs via email, Includes example programs

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

**In-app purchases:** none


### Sudokube 3D

[App page](https://appshunter.io/ios/app/sudokube-3d/id6479182193)

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

**In-app purchases:** none


## Frequently asked questions

### Is Turing Machine Simulator free?

Turing Machine Simulator costs $2.99, with no in-app purchases.

### Is Sudokube 3D free?

Sudokube 3D is free to download, with no in-app purchases.

### Do Turing Machine Simulator or Sudokube 3D have ads?

Neither Turing Machine Simulator nor Sudokube 3D shows ads.

### Which is updated more often, Turing Machine Simulator or Sudokube 3D?

Turing Machine Simulator ships an update every 16 months, and Sudokube 3D every 5 days. Most recently, Turing Machine Simulator was updated on October 7, 2026 and Sudokube 3D on September 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.*