# Enigma vs Pistons and Props

The clearest difference is ads: Pistons and Props at none against Enigma's shown. Pistons and Props also leads on update cadence (monthly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Enigma ships an update every 3 months, Pistons and Props monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Enigma | Pistons and Props |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/enigma-simulator/id6451087026/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 8 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Sota Iguchi](https://appshunter.io/developer/1603371067) | [Albert Nemec](https://appshunter.io/developer/1840937723) |

## What reviewers say

### Enigma

[App page](https://appshunter.io/ios/app/enigma-simulator/id6451087026)

Explore historical cryptography with a faithful replica of the Enigma machine. Encode and decode messages, challenge your puzzle-solving skills, and immerse yourself in the intriguing world of WWII codebreaking. Experience an authentic and educational cipher adventure.

**Highlights:** Faithful Enigma machine replication, Encode and decode messages, Customizable settings, Authentic cipher experience, Educational cryptography exploration, Puzzle-solving challenges

**In-app purchases:** none


### Pistons and Props

[App page](https://appshunter.io/ios/app/pistons-and-props/id6755858877)

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

**In-app purchases:** none


## Frequently asked questions

### Is Enigma free?

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

### Is Pistons and Props free?

Pistons and Props is free to download, with no in-app purchases.

### Do Enigma or Pistons and Props have ads?

Enigma shows ads; Pistons and Props does not.

### Which is updated more often, Enigma or Pistons and Props?

Enigma ships an update every 3 months, and Pistons and Props monthly. Most recently, Enigma was updated on November 3, 2026 and Pistons and Props on October 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.*