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***INSTANT MESSAGING APPS*** --------------- -------------------------------------------------------------------------- -------------------------------------------------------------------------- -------------------------------------------------------------------------- --------------------------------------------------------------------------- WHATSAPP TELEGRAM SIGNAL SKYPE Features 7\. Web Version: Access WhatsApp on desktop devices through the web 1\. Messaging: Send text messages, images, videos, and audio files to 1\. End-to-End Encryption: Signal\'s core feature, ensuring only the 1\. Video Calls: Make high-quality video calls to individuals or groups.\ version.\ individuals or groups.\ sender and recipient can access message content.\ \ \ \ \ 2. Screen Sharing: Share screens with others to present, demonstrate, or 8. Message Reactions: React to messages with emojis, similar to Facebook 2. Group Chats: Create groups with up to 200,000 members to share 2. Private Messaging: Signal offers private messaging, allowing users to collaborate.\ reactions.\ messages, media, and files.\ send texts, images, videos, and files securely.\ \ \ \ \ 3. Chat Messaging: Send text messages, images, videos, and audio files 9. Disappearing Messages: Set messages to disappear after a specified 3. Secret Chats: Enable end-to-end encryption for secure and private 3. Group Chats: Signal allows users to create group chats with up to 100 to individuals or groups.\ time, ranging from 1 minute to 90 days.\ conversations that can be set to self-destruct.\ members, with end-to-end encryption applied to all messages.\ \ \ \ \ 4. Group Calls: Host group video calls with up to 25 participants.\ 10. Dark Mode: Switch to a dark theme for a sleek and battery-saving 4. Channels: Subscribe to channels for news, updates, and content from 4. Voice and Video Calls: Signal offers end-to-end encrypted voice and \ interface.\ various sources.\ video calls, ensuring secure and private conversations.\ 5. Conference Calls: Hold audio conference calls with up to 25 \ \ participants.\ 5. Bots: Interact with bots for entertainment, information, and task 5. File Sharing: Signal allows users to share files securely, with \ automation.\ end-to-end encryption applied to file transfers.\ 6. File Sharing: Share files of various types, including documents, \ \ photos, and videos.\ 6. File Sharing: Share files of various types, including documents, 6. Disappearing Messages: Signal offers a \"disappearing messages\" \ photos, videos, and audio files, with no limits on size or number.\ feature, allowing users to set a timer for messages to automatically 7. Voice Messages: Leave voice messages for others when they\'re not \ delete.\ available.\ 7. Open-Source: Telegram\'s code is open-source, allowing developers to \ \ review and contribute to the platform\'s security and development.\ 7. Screen Security: Signal offers screen security features, such as 8. Call Forwarding: Forward calls to other numbers or devices.\ \ locking the app with a PIN or biometric data, to prevent unauthorized \ 8. Privacy: Telegram prioritizes user privacy, with encryption and access.\ 9. Video Recording: Record video calls and save them to your device.\ secure data centers to protect user data.\ \ \ \ 8. Open-Source: Signal\'s code is open-source, allowing security experts 10. Live Subtitles: View live subtitles during video calls to facilitate 9. Cross-Platform: Access Telegram on multiple devices, including to review and verify its security.\ communication. Android, iOS, Windows, macOS, and Linux.\ \ \ 9. Independent: Signal is an independent organization, not owned by any 10. Web Version: Use Telegram Web for a desktop-like experience in a web tech giant, ensuring user data is not shared with third parties.\ browser.\ \ 10. Free: Signal is free to use, with no ads or subscription fees.\ Security 1\. End-to-End Encryption: Telegram offers secret chats with end-to-end 1\. End-to-end encryption: Only the sender and recipient can read the 1\. End-to-End Encryption: Skype uses end-to-end encryption for video and encryption, ensuring that only the sender and recipient can read the messages, and no one else can intercept or access them.\ audio calls, as well as text messaging, ensuring that only the sender messages.\ 2. Zero access encryption: Even Signal\'s servers don\'t have access to and recipient can access the content.\ \ your messages or data.\ \ 2. MTProto Encryption: Telegram\'s messaging protocol, MTProto, is 3. Secure voice and video calls: Signal offers encrypted voice and video 2. 256-bit AES Encryption: Skype employs 256-bit Advanced Encryption encrypted to prevent eavesdropping and interception.\ calls, making it a great option for private conversations.\ Standard (AES) to protect data, which is considered secure and virtually \ 4. Sealed Sender: This feature hides the sender\'s identity, making it unbreakable.\ 3. 256-bit Symmetric AES Encryption: Telegram uses 256-bit symmetric AES difficult for anyone to determine who sent the message.\ \ encryption to protect data, which is considered secure and virtually 5. Disappearing messages: You can set messages to automatically delete 3. Secure Authentication: Skype uses secure authentication protocols, unbreakable.\ after a specified time, ensuring that sensitive information isn\'t such as SSL/TLS and OAuth, to verify user identities and protect account \ stored.\ information.\ 4. Secure Data Centers: Telegram stores messages and media in secure 6. Two-factor authentication: Adds an extra layer of security to your \ data centers, protected by robust physical security measures.\ account by requiring a verification code in addition to your password.\ 4. Password Hashing: Skype stores passwords securely using salted \ 7. Open-source code: Signal\'s code is publicly available, allowing hashing, making it difficult for attackers to access user accounts.\ 5. Two-Factor Authentication: Telegram offers two-factor authentication, security experts to review and identify potential vulnerabilities.\ \ adding an extra layer of security to user accounts.\ 8. Regular security updates: The Signal team continuously works to fix 5. Two-Factor Authentication: Skype offers two-factor authentication, \ adding an extra layer of security to user accounts.\ 6. Password Hashing: Telegram stores passwords securely using PBKDF2, a \ password hashing algorithm.\ 6. Regular Security Updates: Skype regularly releases security updates \ and patches to fix vulnerabilities and improve security.\ 7. Regular Security Audits: Telegram conducts regular security audits \ and bug bounty programs to identify and fix vulnerabilities.\ 7. Bug Bounty Program: Skype has a bug bounty program, encouraging \ security researchers to identify and report vulnerabilities.\ 8. Open-Source Encryption: Telegram\'s encryption algorithms are \ open-source, allowing experts to review and verify their security.\ 8. Data Centers: Skype stores data in secure data centers, protected by \ robust physical security measures.\ 9. Secure File Sharing: Telegram allows secure file sharing, with \ encryption applied to files in transit.\ 9. Compliance: Skype complies with various security standards and \ regulations, such as GDPR, HIPAA, and SOC 2.\ 10. Privacy-Focused: Telegram prioritizes user privacy, with a focus on \ protecting personal data and conversations. 10. Transparency: Skype provides transparency into its security practices and policies, ensuring users understand how their data is protected. Compatibility 1\. Android: WhatsApp is available for Android devices running Android 1\. Android: Telegram is available for Android devices running Android 1\. Android: Signal is available on Android devices running Android 4.4 1\. Desktop:\ 4.1 and later versions.\ 4.1 and later versions.\ (KitKat) or later.\ - Windows (7, 8, 8.1, 10)\ \ \ 2. iOS: Signal is available on iOS devices running iOS 11 or later, - macOS (10.9 or later)\ 2. iOS: WhatsApp is compatible with iPhone, iPad, and iPod touch devices 2. iOS: Telegram is compatible with iPhone, iPad, and iPod touch devices including iPhones and iPads.\ - Linux (various distributions)\ running iOS 10 and later versions.\ running iOS 9 and later versions.\ 3. Desktop: Signal has desktop applications for:\ 2. Mobile:\ \ \ - Windows: Windows 7 or later (64-bit)\ - Android (4.0.3 or later)\ 3. Windows Phone: WhatsApp is available for Windows Phone devices 3. Windows Phone: Telegram is available for Windows Phone devices - macOS: macOS 10.10 (Yosemite) or later\ - iOS (8.0 or later)\ running Windows Phone 8.1 and later versions.\ running Windows Phone 8.1 and later versions.\ - Linux: Most Linux distributions, including Ubuntu, Debian, and Fedora\ - Windows Phone (8.1 or later)\ \ \ 4. Web: Signal also has a web version, Signal Web, which can be accessed 3. Tablets:\ 4. Desktop: WhatsApp offers a desktop version for Windows and macOS, 4. Desktop: Telegram offers desktop versions for Windows, macOS, and from any web browser.\ - Android (4.0.3 or later)\ allowing users to access the app on their computers.\ Linux, allowing users to access the app on their computers.\ - iPad (iOS 8.0 or later)\ \ \ 4. Web:\ 5. Web: WhatsApp Web is a web-based version of the app that can be 5. Web: Telegram Web is a web-based version of the app that can be - Skype Web (compatible with most modern web browsers)\ accessed on any device with a web browser.\ accessed on any device with a web browser.\ 5. Gaming Consoles:\ \ \ - Xbox One\ 6. KaiOS: WhatsApp is also available for KaiOS-powered devices, such as 6. Linux: Telegram is available for various Linux distributions, - PlayStation 4\ the Nokia 8110 4G.\ including Ubuntu, Debian, Fedora, and more.\ 6. Smartwatches:\ \ - Android Wear\ 7. Chrome OS: Telegram is compatible with Chrome OS devices, such as - Apple Watch\ Chromebooks.\ 7. TVs:\ \ - Select smart TVs from Samsung, LG, and Sony 8. Firefox OS: Telegram is available for Firefox OS devices.\ \ 9. Tizen: Telegram is compatible with Tizen-powered devices, such as Samsung Z series smartphones. --------------- -------------------------------------------------------------------------- -------------------------------------------------------------------------- -------------------------------------------------------------------------- ---------------------------------------------------------------------------