Best Decoder Cipher Apps & Games

242+ iOS apps & games curated and reviewed

4.4 avg rating
18 free apps & games
Updated August 2026

Out of 242+ decoder cipher apps and games on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Decoder Cipher Apps & Games (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Decode - Ciphers of the TempleDecode - Ciphers of the TempleFreeNoYesAug 2026
2Decrypto: Cipher CryptogramsDecrypto: Cipher CryptogramsFree4.7★ (111)NoYesAug 2026
3Cipher ForgeCipher ForgeFreeNoJul 2026
4Sub CipherSub CipherFree3.8★ (4)NoNoMay 2026
5CipherAtlas: Gematria DecoderCipherAtlas: Gematria DecoderFreeNoJul 2026
6Cipher Challenge - CodebustersCipher Challenge - CodebustersFree5.0★ (4)NoNoMay 2026
7ROT13 DecoderROT13 DecoderFreeNoNoAug 2026
8The CipherThe CipherFree2.8★ (6)NoNoMay 2026

Top Picks for Decoder Cipher

Decrypto: Cipher Cryptograms#2

Decrypto: Cipher Cryptograms by Incognitum, MB

Logic Puzzles & Brain Games
Strong Contender
🎮 Games
4.7(111 ratings)
FreeIn-App Purchases
Decrypto: Cipher Cryptograms screenshot 1
Decrypto: Cipher Cryptograms screenshot 2
Decrypto: Cipher Cryptograms screenshot 3
Decrypto: Cipher Cryptograms screenshot 4
Decrypto: Cipher Cryptograms screenshot 5
Decrypto: Cipher Cryptograms screenshot 6

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.

More Decoder Cipher apps to explore

4
Sub Cipher
Sub Cipher
Sub Cipher
Encode and Decode Messages
Free

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.

Encode/decode simple substitution ciphersSupports Caesar and Atbash cipher methodsConverts up to 2,000 characters at once
🔧 Utilities
(4)
free
5
CipherAtlas: Gematria Decoder
CipherAtlas: Gematria Decoder
CipherAtlas: Gematria Decoder
by Justin Showalter
Free
🔍 Reference
(0)
6
Cipher Challenge - Codebusters
Cipher Challenge - Codebusters
Cipher Challenge - Codebusters
Aristocrat Patristocrat K1 K2
Free

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.

Multiple cipher modesLetter frequency analysisMultiplayer competition
🎮 Games
(4)
free
7
ROT13 Decoder
ROT13 Decoder
ROT13 Decoder
ROT13 decoder and encoder
Free
🔧 Utilities
(0)
8
The Cipher
The Cipher
The Cipher
by Logan Richards
Free

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.

Multiple classic ciphers (Rail Fence, Caesar, Vigenere, Enigma, etc.)Cryptoanalysis tools (Letter Frequency, N-Gram Frequency)Mod Calculator
🔧 Utilities
(6)
free
9
Cipher - Decode the Message
Cipher - Decode the Message
Cipher - Decode the Message
by Eldar Tutnjic
Free
🎮 Games
(0)
10
Cipher Sender
Cipher Sender
Cipher Sender
Send secret messages
Free

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.

A1Z26 CipherAtbash CipherCaesar Shift Cipher
🔧 Utilities
(39)
free
11
Crypto: Cæsar and Vigenère ciphers
Crypto: Cæsar and Vigenère ciphers
Crypto: Cæsar and Vigenère ciphers
by Maxim Aleksa
Free

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

Caesar cipher encryption/decryptionVigenère cipher encryption/decryptionCreate encrypted messages
🔧 Utilities
(11)
free
12
Decoder Ring · Secret Codes
Decoder Ring · Secret Codes
Decoder Ring · Secret Codes
Send messages in secret code
Free
🎬 Entertainment
(0)
13
Cipher: Decode Any Language
Cipher: Decode Any Language
Cipher: Decode Any Language
by App4Life Sweden AB
Free
🔧 Utilities
(0)
14
Cipher
Cipher
Cipher
Encrypt and decrypt text
$0.99

Easily encrypt and decrypt text messages using various methods. Features a keyboard extension for seamless integration into messaging apps.

Encrypt and decrypt textMultiple encryption methods (ROT-X, Vigenere, Letter Numbers)Keyboard extension for messaging
🔧 Utilities
(2)
paid
15
Cipher Grid
Cipher Grid
Cipher Grid
by Francois Van Malleghem
Free
🎮 Games
(0)
16
CipherKit
CipherKit
CipherKit
by Zossoz
$1.99
$4.99 | 60% OFF
📚 Education
(0)
17
Ciphers: Solve the Enigma
Ciphers: Solve the Enigma
Ciphers: Solve the Enigma
by Simon Booth
Free

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.

Multiple encryption methodsCaesar CipherEnigma Machine support
🔧 Utilities
(6)
free
18
CipherQuest: Descent to Light
CipherQuest: Descent to Light
CipherQuest: Descent to Light
Decode the mystery.
Free

Engage in an atmospheric puzzle game where you decode over 100 encrypted messages from a secret society. Progress through various cipher types, from simple shifts to complex multi-step encryptions, while uncovering a mysterious narrative. The game offers a hint system and teaches real cryptography techniques.

100+ hand-crafted cipher puzzlesProgressive difficultyLearn real cryptography techniques
🎮 Games
(1)
free with in-app purchases
19
Cipher Munch
Cipher Munch
Cipher Munch
Cryptogram Puzzles & Ciphers
Free
🎮 Games
(0)
20
MsgSecret
MsgSecret
MsgSecret
by Hassan Chizari
Free
$0.99 | 100% OFF

Securely encode and decode messages to protect your privacy from message providers and prying eyes. Share your ciphered messages via email, SMS, social media, and more. Offers multiple ciphering methods for varying security levels.

Encode and decode messagesMultiple ciphering methodsShare via email, SMS, social media
🔧 Utilities
(4)
paid

FAQ about Decoder Cipher

Are there free decoder cipher apps & games for iPhone?
Yes — 18 of the top decoder cipher apps & games we rank are free to download, including Decode - Ciphers of the Temple and Decrypto: Cipher Cryptograms.
Decode - Ciphers of the Temple has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 242+ decoder cipher apps & games on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.