# Pocket Enigma — Authentic M3 & M4 simulator

> Authentic M3 & M4 simulator (iPhone/iPad app by Anders Mørk-Pedersen.)

- Source: https://appshunter.io/ios/app/pocket-enigma/id6805608400 (this page in markdown: same URL + `.md`)
- Developer: [Anders Mørk-Pedersen](https://appshunter.io/developer/6797052573)
- Category: Education, Reference
- Price: $2.99
- Age rating: 4+
- Requires: iOS 17.0 · 5 MB
- Languages: American English
- Released: 2026-09-02
- Data updated: 2026-10-06

## What is Pocket Enigma?

Pocket Enigma puts a working World War II-era rotor-cipher simulator in your pocket.

Choose the three-rotor M3 or four-rotor naval M4 machine, configure its daily key, and press the keys as you would on the original machine. Watch the moving rotors step, see the output lamp illuminate, and follow each letter through the complete electrical signal path.

CONFIGURE THE MACHINE

- Switch between M3 and M4
- Choose three different moving rotors from I through VIII
- Select the stationary Beta or Gamma wheel in M4
- Use wide B/C reflectors in M3 or thin B/C reflectors in M4
- Set every rotor window and ring setting
- Connect up to ten plugboard pairs

FOLLOW THE SIGNAL

Pocket Enigma shows plaintext and ciphertext in traditional five-letter groups. After each key press, open the signal trace to follow the letter through the plugboard, rotors, reflector, and return path.

BUILT FOR EXPLORATION

Machine settings are validated before they are applied and stored locally on your device. The simulator includes documented rotor turnover behaviour, including middle-rotor double stepping and the dual notches of rotors VI, VII, and VIII.

Pocket Enigma works entirely offline. It has no account, advertising, analytics, or tracking.

Pocket Enigma is an educational historical simulator. The Enigma cipher is obsolete and must not be used to protect real information. This app is not affiliated with or endorsed by any historical manufacturer, museum, or government agency.

## Is Pocket Enigma safe?

Not enough ratings yet to assess Pocket Enigma.

## Is Pocket Enigma legit?

Pocket Enigma has limited verification signals. The AppsHunter Legitimacy Score for Pocket Enigma is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.1 — 2026-09-03

Better iPad layout

### 1.0 — 2026-09-02

No release notes.

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## More apps by Anders Mørk-Pedersen

- [MorseReader](https://appshunter.io/ios/app/morsereader/id6797052227)

All apps by Anders Mørk-Pedersen: https://appshunter.io/developer/6797052573

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-06.*