# Turing Machine Simulator vs Another Turing Machine Lite

The clearest difference is price: Another Turing Machine Lite at Free against Turing Machine Simulator's $2.99. Another Turing Machine Lite also leads on update cadence (every 2 days vs every 19 months). Turing Machine Simulator's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support there is nothing between them.

Another Turing Machine Lite is free to download; Turing Machine Simulator costs $2.99 up front. Another Turing Machine Lite sells 5 one-off in-app purchases. Turing Machine Simulator asks for nothing beyond the download.

Turing Machine Simulator ships an update every 19 months, Another Turing Machine Lite every 2 days. The most recent releases landed on August 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Turing Machine Simulator | Another Turing Machine Lite |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 2 MB | 4 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Alexander Clauss](https://appshunter.io/developer/286091996) | [Stefan JOSTEN](https://appshunter.io/developer/949662361) |

## 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


### Another Turing Machine Lite

[App page](https://appshunter.io/ios/app/another-turing-machine-lite/id6742148023)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable Ads | $0.99 | one-time |
| Program Sharing | $0.99 | one-time |
| PDF Report | $0.99 | one-time |
| Buy Me a Coffee | $0.99 | one-time |
| Multiple Tapes | $0.99 | one-time |


## Frequently asked questions

### Is Turing Machine Simulator free?

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

### Is Another Turing Machine Lite free?

Another Turing Machine Lite is free to download, with in-app purchases available.

### Do Turing Machine Simulator or Another Turing Machine Lite have ads?

Another Turing Machine Lite shows ads; Turing Machine Simulator does not.

### Which is updated more often, Turing Machine Simulator or Another Turing Machine Lite?

Turing Machine Simulator ships an update every 19 months, and Another Turing Machine Lite every 2 days. Most recently, Turing Machine Simulator was updated on August 14, 2026 and Another Turing Machine Lite on September 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.*