Cipher Message
Encrypt Your Messages
Free · In‑App Purchases
Cipher Message is an App and iMessage Extension that lets you easily encrypt and decrypt messages right inside the Messages app. Choose from classic ciphers like Caesar and Vigenère, Rail Fence, or Playfair to protect your conversations, or upgrade to Premium to enable AES (password) and add Face ID to lock the message. Simply select your cipher, type your message, set your key, and then encrypted and send to your friends. They can decrypt your message using the same extension, keeping your chats private and fun.
Features:
- Encrypt and decrypt messages directly in iMessage
- Supports Caesar, Vigenère, Rail Fence, and Playfair
- Easy-to-use interface
- Share encrypted messages with friends
- Keep your conversations private
Upgrade to Premium to enjoy:
- No Ads
- Additional Ciphers and Encryption Methods:
- AES (set your own password)
- Face ID Secondary Encryption (disclaimer: does not use FaceID to encrypt, only requires FaceID of recipient to unlock message)
Ratings & Reviews
Added Face ID capability to iMessage Extension. Added Playfair cipher to the free version of the app.
The developer, Nathaniel Van Evera, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Nathaniel Van Evera
- Size
- 21.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.5 or later.
- iPhone
Requires iOS 18.5 or later. - iPad
Requires iPadOS 18.5 or later. - Apple Vision
Requires visionOS 2.5 or later.
- Languages
- English
- Age Rating
13+
- 13+
- In-App Purchases
Yes
- Cipher Message Premium $0.99
- Copyright
- © 2026 Nathaniel Van Evera