Best Crypto alternatives: apps like Crypto: Cæsar and Vigenère ciphers

10+ similar apps compared and reviewed

3.5 avg rating
10 free apps
Updated November 2026

Crypto is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Crypto

Kryptos Tools#1

Kryptos Tools by Jeffrey Williams

Your cryptography toolbox
Editor's Choice
🔧 Utilities
4.5(8 ratings)
Free
Kryptos Tools screenshot 1
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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.

CipherKit#2

CipherKit by Lewis Luther-Braun

Encryption toolkit
Strong Contender
🔧 Utilities
2.5(2 ratings)
Free
CipherKit screenshot 1
CipherKit screenshot 2

This app offers a toolkit for cryptography enthusiasts to encrypt and decrypt data using various methods. It's useful for solving puzzles, creating escape rooms, and enhancing analytical skills.

Sub Cipher#3

Sub Cipher by Eduard Schwan

Encode &Decode Secret Messages
Worth Considering
🔧 Utilities
3.8(4 ratings)
Free
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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.

More apps like Crypto

4
Caesar-Cipher
Caesar-Cipher
Caesar-Cipher
by Hideaki Uchikoshi
Free

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.

Caesar cipher encryptionCaesar cipher decryptionCustomizable shift parameter
🔧 Utilities
(1)
ad-supported
5
Crypto Tools (De)Encryption
Crypto Tools (De)Encryption
Crypto Tools (De)Encryption
Pro Encryption & Forensics
Free

This app offers a comprehensive suite of cryptographic tools for Apple devices, including encryption, decryption, key management, and certificate analysis. It's designed for developers, security professionals, and technical learners to inspect, validate, and manage sensitive data locally with precision.

Encrypt and decrypt data with AES-256-GCMGenerate, import, inspect, and manage cryptographic keysParse and analyze ASN.1 structures and certificates
🔧 Utilities
(1)
freemium
6
XText: Cipher Text
XText: Cipher Text
XText: Cipher Text
Encrypt & Decrypt Text
Free

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.

AES encryptionMultiple cipher modesBurn-after-reading option
🔧 Utilities
(0)
free with in-app purchases
7
Caesar Cipher Wheel
Caesar Cipher Wheel
Caesar Cipher Wheel
by Nazim Akbarov
Free
🔧 Utilities
(0)
8
Cipher Pixel
Cipher Pixel
Cipher Pixel
by Serhat Cihangir
Free
🔧 Utilities
(0)
9
ROT13 Decoder
ROT13 Decoder
ROT13 Decoder
ROT13 decoder and encoder
Free
🔧 Utilities
(0)
10
Paranoia Text Encryption Lite
Paranoia Text Encryption Lite
Paranoia Text Encryption Lite
(encrypt notes, messages, …)
Free

Securely encrypt and decrypt sensitive text data, including notes, messages, and cryptocurrency keys. Offers robust security with multiple strong encryption algorithms and advanced steganography features to hide data within images. Also supports secure password exchange using post-quantum cryptography.

Text encryption and decryptionSteganography (hide text in JPEG)Post-quantum key encapsulation
🔧 Utilities
(84)
free