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Mininigma: Enigma Simulator

Mininigma: Enigma Simulator

Enigma machine simulator

30 ratings
95 reviews
🔧 Utilities
🎬 Entertainment
$1.99

Details

Released
October 15, 2009
Updated
September 11, 2026

Features

Developer

Horacio Jimenez
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About

This app simulates the historical Enigma cipher machine used during WWII. It allows users to encrypt and decrypt messages, generate machine configurations from keywords, and accurately models various Enigma machine types. Interact with other applications through copy/paste functionality.

✓Enigma machine simulation
✓Message encryption and decryption
✓Keyword-based configuration generation
✓Multiple Enigma machine types supported
✓Rotor and plugboard configuration
✓Copy/Paste support
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What users say about Mininigma

Reviews of Mininigma are mostly positive: the Utilities app is rated 4.6/5 from 30 App Store ratings. What users like most: realistic Enigma simulation, historically accurate. Top complaints: audio not working after update, sound issues with key presses. Summarized from real user reviews.

Positive things

  • 👍Realistic Enigma simulation
  • 👍Historically accurate
  • 👍Great attention to detail
  • 👍Excellent graphics and artwork
  • 👍Informative and educational
  • 👍Fun to use
  • 👍Good for understanding cryptography
  • 👍Supports various Enigma models
  • 👍Plugboard simulation is amazing
  • 👍Rotor and plugboard configuration options
  • 👍Backspace function is helpful
  • 👍Custom keyboard option
  • 👍Developer responsiveness
  • 👍Good value for money
  • 👍Useful for password creation

Negative things

  • 🐛Audio not working after update
  • 🐛Sound issues with key presses
  • 🐛UI elements cut off on newer devices
  • 🐛Not compatible with VoiceOver
  • 🐛Help/tutorials use difficult font
  • 🐛Some UI elements obscured by Dynamic Island
  • 🐛Lower keys unreachable due to home gesture area
  • 🐛App crashes and freezes iPad
  • 🐛Incomplete download issues
  • 🐛Difficulty understanding tutorials
  • 🐛Ring settings may not be working
  • 🐛Keyboard keys are small
  • 🐛Copy/paste not working with iOS 5
  • 🐛Light board not working
  • 🐛Dials on top are finicky
  • 🐛Spacing issues/words running together
  • 🐛Numerals not working
  • 🐛Some settings have little influence
  • 🐛No reset button for settings
  • 🐛No landscape mode
See all reviews

What's New in Mininigma

4.5.4

September 11, 2026

some fixes: - sound was not working. now, it should be fixed - some settings were not being correctly saved

More

User reviews

Most RecentHighest RatedLowest Rated

Correction du bug effectuée merci

Depuis la mise à jour de juin et cette dernière mise à jour de septembre, il n’y a toujours pas de son des frappes au clavier
Problème corrigé
Merci
TTartalakrem

Response from developer

google translate :) Bonjour ! Pouvez-vous vérifier à nouveau ? La dernière mise à jour devrait corriger cela. merci!

Latest update

UPDATE: The latest update fixed this problem. Thank you developers.

After the latest update the audio is not working. Turning it on/off off/on doesn’t fix it.
CCgmjoe

Response from developer

Hello! can you check again? last update should fix this. Thanks!!

Toujours pas de son

Depuis la mise à jour de juin et cette dernière mise à jour de septembre, il n’y a toujours pas de son des frappes au clavier
TTartalakrem

Latest update

After the latest update the audio is not working. Turning it on/off off/on doesn’t fix it.
CCgmjoe

Excellent Enigma emulator

This is a very polished app with great attention paid to fidelity and authenticity. I like that various versions of the Enigma machines are simulated and explained.
Ttwo_square
See 90 more reviews

User experience

🐞

Reported Bugs

15 issues

Audio not working after latest update

Bug

No sound from keyboard presses after update

Bug

UI elements cut off on newer devices (iPhone X, Dynamic Island)

Bug

App not compatible with VoiceOver screen reader

Bug

Help and tutorials use a difficult-to-read font

Bug

App crashes and freezes iPad

Bug

Incomplete download and reload issues

Bug

Copy and paste not working with iOS 5

Bug

Light board not working

Bug

Ring settings may not be working

Bug

Dials on top are finicky

Bug

Spacing issues where words run together

Bug

Numerals not working

Bug

Some settings have little influence on the text

Bug

App crashes on opening

Bug
✨

Requested Features

17 requests

Add German language support

Feature

More Enigma models

Feature

Add numbers to the keyboard

Feature

Add a space bar

Feature

Improve readability of tutorial font

Feature

Fix UI issues with newer devices (Dynamic Island, home gesture)

Feature

Add VoiceOver compatibility

Feature

Add a reset button for settings

Feature

Add landscape mode

Feature

Add other crypto simulators (NEMA, Jefferson wheel)

Feature

Add more sounds

Feature

Option to send key with ciphertext

Feature

Create authentic style code books

Feature

Add Enigma clock

Feature

Add Hagelin M209

Feature

Option to switch to a 'normal' iPhone keyboard

Feature

Improve directions for plugboard and rotors

Feature

FAQ

What does Mininigma do?

Mininigma is a complete simulator of the Enigma Machine, a cipher device used by Germans during World War II. It allows you to encrypt and decrypt secret messages, accurately replicating the functionality of the original machines.

What are the key features of Mininigma?

Key features include simulating various Enigma machine types like Enigma I, M3, and M4, allowing users to select and configure rotors, and utilize a plugboard. It also supports generating machine configurations from keywords and offers copy/paste functionality for interaction with other apps.

Is Mininigma free to use?

Yes, Mininigma is a free application. The provided data indicates it does not have in-app purchases or advertisements, meaning all features are accessible without cost.

What types of Enigma machines can I simulate?

The app accurately simulates several types of Enigma machines, including the Enigma I, M3, M4, Railway, G-312, and Swiss-K. More machine types are planned for future updates.

Can I use Mininigma to decode real historical messages?

Yes, the simulator is fully compatible with the real Enigma machine. This means you can use Mininigma to decode original Enigma messages that you find online.