Encrypt and decrypt messages using classic Caesar and Vigenère ciphers. Easily create secret messages to share with friends or decode incoming encrypted text.



197+ iOS apps & games curated and reviewed
Caesar Cipher is the household name in caesars cipher, but it's far from the only option. We track 197+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.






Encrypt and decrypt messages using classic Caesar and Vigenère ciphers. Easily create secret messages to share with friends or decode incoming encrypted text.

This utility tool encrypts and decrypts text using a Caesar cipher. Users can specify a shift value to transform their messages. Converted text can be saved within the application for later use.


This app allows you to send secret messages to your friends using a variety of historical ciphers and codes. It supports popular encryption methods like Caesar Shift, Morse Code, and Vigenere Cipher. The application is open source, inviting community contributions.


Decode famous quotes using a 1-to-1 substitution cipher. This free word puzzle game challenges your knowledge of language and grammar to reveal insightful sayings from notable individuals. Play online or offline and track your solve times.


Encrypt and decrypt messages using a wide variety of ciphers, from simple substitution to complex machines. Share your encrypted messages with friends. Supports multiple encryption methods for secure communication.


Easily encode and decode messages using simple substitution ciphers like Caesar and Atbash. Convert up to 2,000 characters at a time and save your cipher settings for later use. Ideal for fun educational purposes, not for serious secret messaging.


Decrypt famous quotes in this engaging word puzzle game. Solve cryptograms to unlock wisdom, motivation, and inspiration. Features various categories, authors, difficulty levels, and customization options.


This utility app performs a simple letter substitution cipher, rotating English letters by 13 positions. It's useful for obscuring text like spoilers or sensitive content from casual viewers. You can type directly, share text from other apps, or integrate it with shortcuts.


This app offers a comprehensive suite of classic cryptography tools, including Vigenère and Transposition ciphers, to help users explore and potentially solve complex puzzles. It consolidates features from previous versions and provides detailed information on famous unsolved codes.


This app allows users to encrypt and decrypt messages using a variety of classic ciphers. It also includes tools for cryptoanalysis to help understand encrypted text and a mod calculator.




Engage your mind with a variety of cipher decoding challenges. Practice different cipher types, track your progress, and compete with friends. Unlock quotes and sync your achievements across devices.




This app offers secure messaging and file sharing with state-of-the-art end-to-end encryption. It provides options for private or on-premise server deployment, advanced group management, and a user-friendly interface. Enjoy seamless cross-platform communication with full control over your data.


Engage in a captivating puzzle game where you decode classic ciphers and solve cryptogram word puzzles. This app offers a challenging yet accessible experience for those who enjoy riddles and code-breaking. It's designed for curious minds to train their brains with pure, ad-free fun.


Build and expand your Roman Empire in this co-op MMORTS. Gather resources, establish trade, and defend your city. Engage in strategic warfare, forge alliances, and rise through the Senate to become Caesar.


Securely encrypt and decrypt text messages using strong AES encryption. Offers multiple cipher options for various privacy needs, including burn-after-reading and client-to-client channels. Supports QR code generation and biometric app unlock.


Engage your mind with a word puzzle game where you decrypt famous quotes. Solve cryptographic puzzles using logic and language patterns, progressing from easy to expert levels. Enjoy offline play and learn trivia about the quotes you unlock.


This app provides tools for text transformation and cipher decoding. Explore classic encryption methods, convert text to binary, hex, and Base64, and learn about cryptography principles. All processes are performed locally for privacy.