Best End-To-End Encryption Apps

198+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated June 2026

Whether you're new to end-to-end encryption or looking for an upgrade, our curated collection of 198+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for End-To-End Encryption

Signal - Private Messenger#1

Signal - Private Messenger by Signal Messenger, LLC

Wir leben Datenschutz.
Editor's Choice
🌐 Social Networking
4.7😊(1.1M ratings)
FreeIn-App Purchases
#11in Social Networking
Signal - Private Messenger screenshot 1
Signal - Private Messenger screenshot 2
Signal - Private Messenger screenshot 3
Signal - Private Messenger screenshot 4
Signal - Private Messenger screenshot 5
Signal - Private Messenger screenshot 6

This messaging app prioritizes your privacy with strong end-to-end encryption for all communications. It offers free text, voice, and video messaging, including group chats and disappearing stories, all without collecting your data.

What We Love

  • 🔒 Security and privacy
  • 👍 Ease of use
  • 🚀 Great call quality
  • 🚀 Smooth and pleasant user interface

Room to Improve

  • 🐛 Delayed message delivery
  • 🐛 Inconsistent image/video quality
  • 🐛 Buggy call functionality
WhatsApp Messenger#2

WhatsApp Messenger by WhatsApp Inc.

Simple. Reliable. Private.
Strong Contender
🌐 Social Networking
4.7😊(18M ratings)
FreeAdsIn-App Purchases
#2in Social Networking
WhatsApp Messenger screenshot 1
WhatsApp Messenger screenshot 2
WhatsApp Messenger screenshot 3
WhatsApp Messenger screenshot 4
WhatsApp Messenger screenshot 5

Connect with friends and family globally through private messaging and high-quality calls. Share moments, documents, and stay in touch across devices, even on slow connections. Your conversations are secured with end-to-end encryption.

What We Love

  • 💬 Great communication tool
  • 🌍 Connects people globally
  • 🔒 Secure and private messaging
  • 📱 Versatile features (calls, video, groups)

Room to Improve

  • 🐛 Bugs and glitches (freezing, crashing, notification issues)
  • 🔒 Privacy concerns with data sharing
  • 🙈 Lack of customization and control (status, groups)

More End-To-End Encryption apps to explore

4
AES256 Encrypt and Decrypt
AES256 Encrypt and Decrypt
AES256 Encrypt and Decrypt
End-to-end encryption
Free

This utility encrypts and decrypts data using the robust AES256 algorithm with a 256-bit key and GCM mode. It offers strong password protection to safeguard sensitive information from unauthorized access, making it ideal for securing personal and financial data.

AES256 encryption/decryption256-bit key lengthGCM mode support
🔧 Utilities
(4)
free with in-app purchases
5
Wispr
Wispr
Wispr
by CRYPTODATA TECH S.R.L.
Free

This app offers fully private and secured communication, including messages, audio/video calls, and file transfers. It utilizes advanced encryption technology to ensure no one, not even the app developers, can access your conversations. Enjoy high-fidelity communication with a user-friendly design, optimized for all network conditions.

End-to-end encrypted messagesPrivate audio/video callsSecure file transfers
🌐 Social Networking
(53)
free
6
Proton Mail - Encrypted Email
Proton Mail - Encrypted Email
Proton Mail - Encrypted Email
Fast, private & secure mail
Free

This encrypted email service from Switzerland prioritizes user privacy with end-to-end encryption. It offers robust security features to protect your communications from phishing, spam, and tracking, allowing you to manage your inbox with ease.

End-to-end encryptionPassword-protected emailsMultiple account support
📊 Productivity
(45K)
free with in-app purchases
7
Dual Messenger Plus
Dual Messenger Plus
Dual Messenger Plus
Use your whatsapp web in app
Free

Access a second WhatsApp account on your phone by scanning a QR code. This app also offers fancy letters, status messages, and wallpapers to enhance your messaging experience.

Use second WhatsApp numberScan QR code for WhatsApp WebFancy letters
🌐 Social Networking
(0)
subscription
8
Messages
Messages
Messages
by Apple Distribution International
Free

Communicate with contacts through unlimited texts, photos, videos, and documents. Supports iMessage for Apple devices and RCS, SMS, and MMS for others. Features include message editing, unsending, and scheduling.

Send unlimited texts, photos, videos, and documentsiMessage, RCS, SMS, and MMS supportEdit and unsend messages
🌐 Social Networking
(32K)
free
9
Messenger
Messenger
Messenger
SMS, 음성 및 영상 통화
Free

Connect with friends and family through text, audio, and video calls. Share photos, videos, and large files, and express yourself with custom themes and animated content. Features an AI assistant for help and support.

Text, audio, and video callsHigh-definition photo sharingShared photo albums
🌐 Social Networking
(13M)
free with in-app purchases
10
xPal Ultra Secure Messenger
xPal Ultra Secure Messenger
xPal Ultra Secure Messenger
Ultra Secure Messenger
Free

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
(122)
free with in-app purchases
11
Plus: Dual Messenger for iPad
Plus: Dual Messenger for iPad
Plus: Dual Messenger for iPad
Second Number Web for WhatsApp
Free

Easily use a second Messenger account on your phone or iPad. Scan a QR code to manage multiple accounts synchronously, separating personal and business communications.

Dual Messenger supportSecond phone number chatManage separate chats
🌐 Social Networking
(4.4K)
freemium
12
Secret photos - KYMS
Secret photos - KYMS
Secret photos - KYMS
Vault to hide and lock media
Free

Securely store and manage your photos, videos, documents, and passwords with military-grade encryption. Enjoy real-time decryption for media playback and editing, a private browser, and advanced security features like a fake PIN and panic gesture.

Military-grade AES encryptionReal-time media decryptionPrivate browser with download
📷 Photo & Video
(17K)
free with in-app purchases
13
Signet
Signet
Signet
Signet Technology Platform
Free

A secure and reliable communication system for professionals and organizations. It offers end-to-end encryption for private messaging, calling, and document sharing across popular operating systems.

End-to-end encryptionSecure messaging and callingDocument sharing
💼 Business
(20)
free
14
Proton Pass - Password Manager
Proton Pass - Password Manager
Proton Pass - Password Manager
Secure end-to-end encryption
Free

Securely manage your online credentials with end-to-end encryption. This free password manager offers autofill, 2FA code generation, email alias creation, and data breach monitoring across all your devices. Protect your digital identity with robust Swiss privacy laws.

Autofill loginsStore unlimited passwordsGenerate 2FA codes
📊 Productivity
(1.2K)
free with in-app purchases
15
Direct Message for WhatsApp
Direct Message for WhatsApp
Direct Message for WhatsApp
Chat Without Saving Contacts
Free
$0.29 | 100% OFF

Send messages on various platforms without saving contacts. Quickly send messages, auto-detect numbers, and use message templates. Keep your phonebook clean and conversations private across multiple messaging apps.

Send messages without saving contactsAuto-detect numbers from clipboardSupport for multiple messaging platforms
🌐 Social Networking
(899)
free with in-app purchases
16
Ant Messenger
Ant Messenger
Ant Messenger
End-to-End Messaging&Calls
Free

This secure messaging app offers end-to-end encrypted chats and calls, prioritizing user privacy. It features self-destructing messages and robust security measures to protect your conversations from unauthorized access.

End-to-end encryptionEncrypted voice and video callsBurn after reading messages
🌐 Social Networking
(39)
free
17
MEGA: Encrypted Cloud Storage
MEGA: Encrypted Cloud Storage
MEGA: Encrypted Cloud Storage
Secure Storage & Chat
Free

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.

End-to-end encrypted cloud storageSecure one-on-one and group chatEncrypted audio and video calls
📊 Productivity
(103K)
free with in-app purchases
18
KrypterApp
KrypterApp
KrypterApp
Secure Enclave file encryption
Free
$0.99 | 100% OFF

Encrypt any file or message with advanced, user-controlled cryptography. Your data is secured using your device's hardware and advanced algorithms, ensuring privacy without middlemen or servers. Share securely, knowing only your intended recipient can access your information.

Encrypt any file type (photos, documents, videos)Send encrypted text messagesKeys stored in Secure Enclave
🔧 Utilities
(1)
free
19
PreVeil
PreVeil
PreVeil
End-To-End Encrypted Email
Free

Securely send encrypted emails and store files with end-to-end encryption. Your data is protected by unique keys, ensuring only you can access it. Integrates with existing email addresses and offers desktop access.

End-to-end encrypted emailEncrypted file storage and sharingUses existing email addresses
💼 Business
(34)
ad-supported
20
SimpleX Chat: secure messenger
SimpleX Chat: secure messenger
SimpleX Chat: secure messenger
Privacy redefined: no user IDs
Free

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
(255)
free