Apps Like Cellcrypt Enterprise for iPhone and iPad
Send encrypted messages and files
Secure communication with end-to-end encryption and post-quantum protection for voice, video, messaging, and file transfers. Send large files securely. Supports secure instant messaging for classified government communications.
Cellcrypt Enterprise screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.



Signal - Private Messenger
Signal Messenger, LLC
Send messages and files securely
Send texts, voice messages, photos, videos, GIFs, and files for free. Make encrypted voice and video calls with group support up to 50 people. Create group chats with up to 1,000 members. Share files and media securely.

WhatsApp Messenger
WhatsApp Inc.
Send messages and make calls
Send text messages, make voice and video calls. Share files, images, and location. Communicate privately with end-to-end encryption. Available on mobile, tablet, and desktop. No subscription fees.

RingCentral
RingCentral, Inc
Manage calls, messages, and meetings with AI
Manage business communications with integrated calling, messaging, and meeting features. Transcribe conversations and generate notes using AI. Share files in team chats and receive typo corrections.

Norton 360 Security & VPN
Gen Digital Inc.
Browse securely with scam protection and VPN
Navigate the web securely with AI-powered malware protection and a built-in VPN. Detect and block scams across email, web, calls, and SMS. Use Safe SMS to filter spam calls. Access Genie for AI-assisted guidance.

MEGA: Encrypted Cloud Storage
Mega Networks LLC
Upload files, search, store, and share securely
Store and manage files with end-to-end encryption. Upload, search, download, stream, view, share, rename, or delete files from any device. Share folders and track updates in real time. Access data through web browsers or dedicated apps.

Surfshark VPN: Fast & Secure
SURFSHARK LTD
Encrypt data and block ads online
Encrypt internet traffic to hide online activity. Block ads and trackers. Generate temporary email addresses. Detect data leaks. Secure connections on multiple devices. Protect personal information while browsing.

AWS Wickr
Wickr, LLC
Securely send messages and files
Securely send and receive messages in one-to-one or group chats. Share files, screen, and audio calls. Use bots to automate workflows. Encrypt all communications end-to-end. Set message retention policies and access controls.

Mattermost
Mattermost, Inc.
Connect to Server and collaborate securely
Securely share messages, files, and links across teams. Create and manage channels for communication. Integrate with workflows and automate tasks. Support audio and screen sharing for collaboration. Manage projects and track progress.

Bitwarden Password Manager
Bitwarden Inc
Store passwords securely and manage accounts safely
Store and manage passwords and passkeys securely with end-to-end encryption. Generate strong, unique passwords for accounts. Access data across devices without limits. Share passwords with trusted contacts. Lock and unlock vaults remotely.


UniFi Identity Endpoint
Ubiquiti Inc.
Unlock doors with a tap
Manage access with smart door unlocking and one-click WiFi and VPN connections. View live camera feeds for real-time collaboration. Charge electric vehicles and control security features remotely.

RelyVPN, 永久福利模式,无限流量!
RelyTech LLC
Connect securely and browse privately
Secure browsing with one-click encryption and IP address masking. Connect to global servers for stable, high-speed access. Maintain persistent connection until manually disconnected. Supports iPhone, iPad, Mac, and Apple Vision Pro.

Fuze Mobile
Fuze, Inc.
Connect with voice calls and messages
Stay connected with coworkers, customers, and partners through voice calls, video meetings, and chat messaging. Make calls over Wi-Fi, data, or carrier with video and screen sharing. Dial using 4-digit extensions and join ad hoc conference calls.

LocalSend
Tien Do Nam
Share files securely and instantly
Transfer files securely between devices over local Wi-Fi or LAN without internet. Use end-to-end TLS encryption for confidentiality. Share files directly without cloud storage or third-party servers. No account required.



Messenger VPN: Private Chat
VPN LLC US
Secure chats with encrypted messaging
Secure Telegram conversations with end-to-end encryption. Use a free VPN to protect data and hide IP address. Access Telegram features like calling, texting, and sharing media. Anonymize online activity and bypass regional restrictions.

Rocket.Chat
Rocket.Chat Technologies Corp.
Securely communicate and collaborate in real-time
Secure communication platform enables messaging, voice, and video calls. Integrates AI tools and mission-critical apps. Supports compliance and security protocols. Facilitates team collaboration and operational efficiency.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.