# Turing Machine Simulator vs SlipStick

The clearest difference is update cadence: SlipStick at weekly against Turing Machine Simulator's every 16 months. SlipStick also leads on price ($0.99 vs $2.99) and iOS requirement (12.0 vs 15.0). Turing Machine Simulator's advantage is review sentiment (100% vs 83%) and rating (4.8 vs 4.6). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Turing Machine Simulator costs $2.99 and SlipStick $0.99 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 4.6. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews point the same way: 100% of Turing Machine Simulator's written reviews are positive against 83% of SlipStick's.

Turing Machine Simulator ships an update every 16 months, SlipStick weekly. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Turing Machine Simulator | SlipStick |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/turing-machine-simulator/id303032123/reviews)** | [4.6 (9 ratings)](https://appshunter.io/ios/app/slipstick/id1523544516/reviews) |
| Number of ratings | 4 | **9** |
| Positive reviews | **100.0% of reviews** | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Weekly** |
| Monetization | Paid | Paid |
| Size | 2 MB | 1 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Clauss](https://appshunter.io/developer/286091996) | [Steve Glenner](https://appshunter.io/developer/1518671062) |

## 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


### SlipStick

[App page](https://appshunter.io/ios/app/slipstick/id1523544516)

This app is a fully functional digital reproduction of a classic engineering slide rule. It allows users to perform complex calculations like multiplication, division, logarithms, and trigonometry, just like the original manual tool.

**Highlights:** Virtual slide rule reproduction, Multiplication and division, Logarithm calculations, Trigonometry calculations, Classic engineering tool

**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 SlipStick free?

SlipStick costs $0.99, with no in-app purchases.

### Which has better reviews, Turing Machine Simulator or SlipStick?

Turing Machine Simulator is rated higher. Turing Machine Simulator averages 4.8 out of 5 from 4 ratings, while SlipStick averages 4.6 from 9 ratings.

### Do Turing Machine Simulator or SlipStick have ads?

Neither Turing Machine Simulator nor SlipStick shows ads.

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

Turing Machine Simulator ships an update every 16 months, and SlipStick weekly. Most recently, Turing Machine Simulator was updated on October 7, 2026 and SlipStick on October 17, 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.*