Make calls and send messages securely
Make secure HD calls and send text messages across devices, networks, and operating systems. Share files and conduct video conferences. Manage calls and messages with an intuitive interface. Support Wi-Fi, 5G, 4G, 3G, and 2G networks.
Showing 1–20 of 1,000 ranked alternatives.
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.
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.
Kaymera Technologies LTD
Send encrypted messages and calls
Secure communication enables encrypted voice calls and text messaging with end-to-end encryption. Users can send self-destructing messages and share files securely. Voice calls offer clear audio quality.
BlackBerry Limited
Secure calls and messages end-to-end
Securely make and receive encrypted voice calls and instant messages. Send encrypted messages to individuals or groups. Share documents and images within the organization. Ensure end-to-end encryption for calls and messages.
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.
QT Global Software Ltd
Send secure messages and calls
Secure messaging and voice/video calls with end-to-end encryption. Support group chats and calls. Messages disappear after set times. Share files, photos, and videos securely. Customize alerts and themes for each conversation.
LIGHTNINGLINK NETWORKS PTE. LTD.
Securely connect and browse privately
Connect to 26 free regions including 13 US cities for localized content. Access global content without registration or personal details. No speed or data limits. Available on all major operating systems.
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.
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.
Verizon Wireless
Call, message, and collaborate securely
Manage calls, messages, and contacts with business features like call forwarding, voicemail, and group messaging. Schedule meetings, access call logs, and integrate with email. Control user permissions and monitor usage through a web portal.
GoldKey Security Corporation
Securely send messages and calls
Send encrypted messages, make secure video and audio calls, and share files. Communicate privately through WiFi or cellular networks. Set up secure links and manage contacts within the .
textPlus, Inc.
And for free with a US number
Provides a free US phone number for receiving calls and texts. Sends free SMS and MMS to US and Canadian numbers. Offers free incoming calls. Enables low-cost international outgoing calls via WiFi or data. Supports group chats and history.
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.
Criptyque Limited
Send secure messages and calls
Secure messaging with end-to-end encryption and data packet integrity. Make on-net/off-net voice calls and video calls. Conduct secure conference calls. Send and receive encrypted emails. Protect data with OS-proof privacy features.
Algento Cloud Computing Limited
Chat, pay, and explore with contacts
Make and receive HD voice and video calls with clear audio and picture-in-picture mode. Use AI filters and effects during calls. Send money directly within chats. Translate messages in real time.
Essential Apps LLC
Make over Wi-Fi instead of cellular network
Make voice over Wi-Fi instead of cellular networks. Use existing Wi-Fi connections to call regular numbers. Avoid carrier charges for and texts. Connect to any Wi-Fi hotspot for communication.
Ningbo Juphoon System Software Co., Ltd.
With friends, send messages, make calls
Make calls with friends and family using any device. Send an invite link to start a free face-to-face . Receive multiple phone numbers for unlimited and texting to any mobile or landline.
Mosaic S.r.l.
Block calls and scams
Block calls using a global database of analyzed calls. Identify and stop unwanted calls with audio fingerprinting technology. Prevent missed legitimate calls. Report and annoy spammers to deter future calls.
RISK MANAGEMENT BY PIMAN SECURITY
Secure calls, messages, and file sharing
Secure communication for VIP users. Enable encrypted calls and messages. Share files including documents, photos, audio, and video. Set up private, dedicated channels. Encrypt all data transfers.
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