# Turing Machine Simulator vs Lambda calculus

The clearest difference is price: Lambda calculus at Free against Turing Machine Simulator's $2.99. Turing Machine Simulator's advantage is rating (4.8 vs 2.5) and iOS requirement (12.0 vs 16.0). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Lambda calculus 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 holds the better App Store score, 4.8 against 2.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Turing Machine Simulator | Lambda calculus |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/turing-machine-simulator/id303032123/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/lambda-calculus/id6737766234/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | — |
| Monetization | Paid | **Free** |
| Size | 2 MB | 5 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Clauss](https://appshunter.io/developer/286091996) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## 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


### Lambda calculus

[App page](https://appshunter.io/ios/app/lambda-calculus/id6737766234)

Learn the fundamentals of lambda calculus with this educational application. Gain a basic understanding of this important mathematical concept through an introductory experience.

**Highlights:** Introduction to lambda calculus, Basic understanding of concepts, Educational content

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Turing Machine Simulator free?

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

### Is Lambda calculus free?

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

### Which has better reviews, Turing Machine Simulator or Lambda calculus?

Turing Machine Simulator is rated higher. Turing Machine Simulator averages 4.8 out of 5 from 4 ratings, while Lambda calculus averages 2.5 from 2 ratings.

### Do Turing Machine Simulator or Lambda calculus have ads?

Neither Turing Machine Simulator nor Lambda calculus 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.*