Best Decoder Cipher Apps & Games

243+ iOS apps & games curated and reviewed

4.5 avg rating

20 free apps & games

Updated September 2026

Out of 243+ decoder cipher apps and games on iOS, 20 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 (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Decode - Ciphers of the Temple	Free	—	No	Yes	Sep 2026
2	Cipher Forge	Free	—	—	No	Jul 2026
3	Decrypto: Cipher Cryptograms	Free	4.8★ (123)	No	Yes	Sep 2026
4	Sub Cipher	Free	3.8★ (4)	No	No	Aug 2026
5	CipherAtlas: Gematria Decoder	Free	—	—	No	Jul 2026
6	Cipher Challenge - Codebusters	Free	5.0★ (4)	No	No	Sep 2026
7	ROT13 Decoder	Free	—	No	No	Aug 2026
8	Cipher Grid	Free	—	No	Yes	May 2026

Top Picks for Decoder Cipher

#1

Decode - Ciphers of the Temple by Eugene D'Hage-Craig

Daily word cipher puzzles

Editor's Choice

0.0(0 ratings)

FreeIn-App Purchases

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#2

Cipher Forge by Curtis Wyattt

Strong Contender

0.0(0 ratings)

Free

#3

Decrypto: Cipher Cryptograms by Incognitum, MB

Logic Puzzles & Brain Games

Worth Considering

4.8(123 ratings)

FreeIn-App Purchases

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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

Encode and Decode Messages

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

CipherAtlas: Gematria Decoder

CipherAtlas: Gematria Decoder

CipherAtlas: Gematria Decoder

by Justin Showalter

Cipher Challenge - Codebusters

Cipher Challenge - Codebusters

Cipher Challenge - Codebusters

Aristocrat Patristocrat K1 K2

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

ROT13 decoder and encoder

by Francois Van Malleghem

by Logan Richards

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

Cipher - Decode the Message

Cipher - Decode the Message

Cipher - Decode the Message

by Eldar Tutnjic

by DAMILOLA KABIR YUSUF

Send secret messages

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

Crypto: Cæsar and Vigenère ciphers

Crypto: Cæsar and Vigenère ciphers

Crypto: Cæsar and Vigenère ciphers

by Maxim Aleksa

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

WWII Cryptogram & Cipher Game

Immerse yourself in WWII codebreaking. Decrypt authentic historical messages using real encryption techniques, from Caesar shifts to the Enigma machine. Learn about wartime operations and advance through ranks as you master cryptanalysis.

Decrypt 7 historical cipher types30+ WWII-themed missionsInteractive cipher wheel

free with in-app purchases

Cipher: Decode Any Language

Cipher: Decode Any Language

Cipher: Decode Any Language

by App4Life Sweden AB

Decoder Ring · Secret Codes

Decoder Ring · Secret Codes

Decoder Ring · Secret Codes

Send messages in secret code

🎬 Entertainment

Ciphers: Solve the Enigma

Ciphers: Solve the Enigma

Ciphers: Solve the Enigma

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

Decode the Quote Cipher Quotes

Decode the Quote Cipher Quotes

Decode the Quote Cipher Quotes

The best crossword alternative

Engage in a unique word puzzle game where you decipher inspirational quotes hidden within a coded grid. Each number corresponds to a letter, challenging you to solve known letters first to reveal the hidden message.

Decipher hidden quotesNumber-to-letter codeSolve known letters first

free with in-app purchases

Cryptogram Puzzles & Ciphers

by Hassan Chizari

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

FAQ about Decoder Cipher

Are there free decoder cipher apps & games for iPhone?

Yes — 20 of the top decoder cipher apps & games we rank are free to download, including Decode - Ciphers of the Temple and Cipher Forge.

Does Decode - Ciphers of the Temple have ads or in-app purchases?

Decode - Ciphers of the Temple has no ads and offers in-app purchases, according to its App Store listing as of September 2026.

How many decoder cipher apps & games are on the App Store?

We track 243+ decoder cipher apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.