Best Encrypted Decoder Apps

183+ iOS apps curated and reviewed

4.5 avg rating

19 free apps

Updated July 2026

From beginner-friendly picks to power-user tools, our encrypted decoder list covers 183+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Encrypted Decoder

#1

ROT13 Decoder by 佳伟蔡

ROT13 decoder and encoder

Editor's Choice

🔧 Utilities

0.0(0 ratings)

Free

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#2

MEGA: Encrypted Cloud Storage by Mega Limited

Secure Storage & Chat

Strong Contender

📊 Productivity

4.6😊(103K ratings)

FreeAdsIn-App Purchases

#38in Productivity

MEGA: Encrypted Cloud Storage screenshot 1

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Securely store, sync, and share your files with end-to-end encryption. Communicate privately with encrypted chat and video calls. Access your data from any device, anywhere.

What We Love

🚀 Fast and efficient coding
🔒 Encrypted and decrypted automatically
👍 Easy to organize files into folders
👍 User-friendly interface with flawless functionality

Room to Improve

🐛 Thumbnails take forever to load
🐛 Video playback issues and glitches
🐛 Insufficient transfer quota limits downloads

#3

Bitwarden Password Manager by Bitwarden Inc

Secure your digital life

Worth Considering

📊 Productivity

4.7😊(29K ratings)

Free

Bitwarden Password Manager screenshot 1

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Secure your digital life by generating and storing unique, strong passwords for all your accounts in an end-to-end encrypted vault. Access your data securely across unlimited devices and share sensitive information with others.

What We Love

🚀 Seamless syncing across devices
🔒 Secure and encrypted storage
👍 Easy to use and intuitive interface
💡 Affordable premium subscription

Room to Improve

🐛 Occasional crashes and bugs
🐛 Inconsistent auto-fill behavior
🐛 Issues with syncing and accessing passwords

More Encrypted Decoder apps to explore

Decoder Ring · Secret Codes

Decoder Ring · Secret Codes

Send messages in secret code

🎬 Entertainment

Base64 Encoder Decoder

Base64 Encoder Decoder

Convert text to base64

Easily convert text to and from the Base64 number system. This free utility allows you to encode or decode text quickly, with options to copy or download the results.

Encode text to Base64Decode Base64 to textUpload files for conversion

Pryvate: Encrypted Messenger

Pryvate: Encrypted Messenger

Nothing can pry into Pryvate

This secure communication app offers encrypted messaging, voice, and video calls for individuals and businesses. It provides reliable global connectivity, file sharing, and advanced features like scheduled meetings and remote data control. Designed with privacy at its core, it ensures your conversations remain protected.

Encrypted messagingHigh-quality voice and video callsGroup conferencing

🌐 Social Networking

free with in-app purchases

Text Encrypter (Pro)

Text Encrypter (Pro)

Encrypt and decrypt text

Securely encrypt and decrypt text messages using a secret key. Easily copy and paste encrypted content to share across different applications.

Text encryptionText decryptionSecret key usage

📊 Productivity

Fused Encrypted Email and Chat

Fused Encrypted Email and Chat

EPRIVO Private Telegram & Mail

This app provides a unified platform for private messaging, combining end-to-end encrypted emails and chats. It offers advanced privacy controls for individual messages, allowing future management of content on recipient devices and in the cloud. Securely send and archive emails, and enjoy encrypted Telegram chats with enhanced security features.

End-to-end encrypted emails and Telegram chatsEncrypted Telegram group chatsPrivate voice/text emails

📊 Productivity

Access encrypted virtual disks

Access and manage encrypted virtual disk images directly on your iPhone and iPad. Supports a wide range of encryption formats and file systems, offering secure viewing and playback of your data anywhere.

Access encrypted virtual disksSupports VeraCrypt, TrueCrypt, LUKS, DMGNative file system handling

free with in-app purchases

EXTRA SAFE: Encrypted Chat

EXTRA SAFE: Encrypted Chat

Anonymous chats & P2P calls

Communicate securely with end-to-end encrypted messaging and self-destructing messages. Enjoy anonymous voice and video calls with P2P connections and on-device encryption keys. Prioritizes privacy with identity-free setup and no metadata collection.

End-to-end encrypted messagingSelf-destructing messages and filesAnonymous P2P voice and video calls

🌐 Social Networking

Password Manager

Password Manager

Your Security From Hackers

Securely store all your sensitive digital information, including passwords, credit card details, 2FA codes, and files, in an end-to-end encrypted vault. Share data securely with others and generate strong, unique passwords for all your accounts. Access your information quickly and safely across all your devices.

End-to-end encrypted vaultSecure password generatorPrivate encrypted groups with sharing

📊 Productivity

free with in-app purchases

SecureZIP Reader

SecureZIP Reader

by PKWARE, Inc.

Access and view compressed and encrypted files from cloud storage and email. Securely extract sensitive data using passphrases or digital certificates on your mobile device.

Extract and view ZIP filesDecrypt encrypted filesIntegrates with cloud storage

SimpleX Chat: secure messenger

SimpleX Chat: secure messenger

Privacy redefined: no user IDs

This secure messaging app offers unparalleled privacy by eliminating user identifiers. Enjoy end-to-end encrypted messages, calls, and files with features like disappearing messages and incognito mode. Connect via invitation links without needing phone numbers or emails.

No user identifiersEnd-to-end encrypted messagesDisappearing messages

🌐 Social Networking

Xave: Encrypted Data Vault

Xave: Encrypted Data Vault

Securely Store Private Files

Securely store and manage private files locally on your device with advanced encryption. Access your data with multi-factor authentication and share encrypted files seamlessly with others.

Local encrypted file storageMulti-factor authentication (PIN, biometrics)Encrypted file sending and receiving

📊 Productivity

Cipchat - Encrypted Messenger

Cipchat - Encrypted Messenger

End-to-end encrypted messenger

This app provides secure messaging with end-to-end encryption and messages that disappear after being read. It also offers encrypted voice and video calls for private online communication.

End-to-end encryptionBurn after reading messagesEncrypted voice calls

🌐 Social Networking

by Arkadiusz Fryszkowski

Decode SMD resistors with this practical tool. It supports three-digit, four-digit, and EIA-96 encoded resistor values, providing quick and accurate identification.

Decodes 3-digit SMD codesDecodes 4-digit SMD codesDecodes EIA-96 SMD codes

BabelApp - Encrypted Messaging

BabelApp - Encrypted Messaging

by OKsystem a.s.

This app provides secure, end-to-end encrypted messaging and VoIP calling for personal and enterprise use. It allows for the secure exchange of documents and files across multiple platforms, ensuring privacy and protection from external threats.

End-to-end encrypted communicationSecure VoIP callingFile and document sharing

🌐 Social Networking

Morse Code Audio Decoder

Decode Morse code audio into text in real-time. This app automatically detects signal frequency and speed, displaying decoded text instantly. Simply allow microphone access and place your device near the audio source.

Real-time audio decodingAutomatic frequency detectionAutomatic speed detection

Cryptomator: Protect Privacy

Cryptomator: Protect Privacy

Open Source Cloud Encryption

Encrypt your sensitive data stored in cloud services with this open-source tool. It allows you to create secure vaults with passwords, accessible only by you, and integrates seamlessly with your device's file system. Protect your privacy and ensure your data remains confidential.

Cloud data encryptionPassword-protected vaultsFace ID/Touch ID unlock

📊 Productivity

free with in-app purchases

xPal Ultra Secure Messenger

xPal Ultra Secure Messenger

Ultra Secure Messenger

Communicate privately with an ultra-secure messaging app that prioritizes your privacy. It offers end-to-end encryption for messages, calls, and file transfers, with no phone number required for registration. Advanced privacy controls and independently verified security ensure your data remains protected.

No phone number required for registrationEnd-to-end encrypted messages, calls, and file transfersIndependently verified security (NIST CAVP, DEKRA certified)

🌐 Social Networking

free with in-app purchases