GroupMe vs. Signal vs. Slack Comparison


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About The best way to chat with everyone you know. It's like a private chat room for your small group. Have as many as you want, and it's always free. Now, you can coordinate with coworkers, organize a game night, and keep in touch with family all in the same place. With native apps for iOS and Android, you can chat with your friends from your phone on the go, on your computer at the office, and on your tablet from the couch. You don't need to have our app to use GroupMe. Add anyone from your phone book and they will immediately be able to chat with the group. You can chat with your groups directly over SMS. Learn more about GroupMe over SMS. GroupMe makes it easy to stay in touch with the important people in your life.	About Fast, simple, secure. Privacy that fits in your pocket. Send high-quality group, text, voice, video, document, and picture messages anywhere in the world without SMS or MMS fees. Signal messages and calls are always end-to-end encrypted and painstakingly engineered to keep your communication safe. We can't read your messages or see your calls, and no one else can either. Keep your chat history tidy with messages that you can set to disappear. Choose different disappearing message intervals for each conversation. Everyone in the thread shares the same setting. Good memories will last even if the words vanish. Signal is made for you. As an Open Source project supported by grants and donations, Signal can put users first. There are no ads, no affiliate marketers, no creepy tracking. Just open technology for a fast, simple, and secure messaging experience. The way it should be.	About Slack is a work collaboration platform that brings people, apps, data, and AI agents together in one shared workspace. It helps teams communicate through channels, direct messages, huddles, Slack Connect, files, canvases, lists, workflows, and integrations. The platform includes Slackbot, a context-aware AI agent that can summarize conversations, search across messages and files, prepare users for meetings, analyze documents, and help complete tasks without leaving Slack. Slack also supports connected apps such as Salesforce, Google Drive, GitHub, Zoom, Asana, Box, Workday, ChatGPT, and many others. Teams can use Workflow Builder to automate stand-ups, project updates, approvals, notifications, and routine business processes. With enterprise search, AI assistance, secure collaboration, and a large integration ecosystem, Slack helps organizations stay aligned, move faster, and reduce work scattered across disconnected tools.
Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook	Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook	Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook
Audience Groups of people who want a free group messaging app	Audience Anyone who wants a secure messaging app	Audience Slack is best suited for businesses, enterprise teams, startups, remote teams, sales teams, customer service teams, engineers, marketers, project managers, and organizations that need team messaging, AI-powered search, workflow automation, app integrations, external collaboration, and connected work management
Support Phone Support 24/7 Live Support Online	Support Phone Support 24/7 Live Support Online	Support Phone Support 24/7 Live Support Online
API Offers API	API Offers API	API Offers API
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing No information available. Free Version Free Trial	Pricing No information available. Free Version Free Trial	Pricing $8.75/user/month Free Version Free Trial
Reviews/Ratings Overall 4.9 / 5 ease 5.0 / 5 features 4.9 / 5 design 4.6 / 5 support 4.9 / 5 Read all reviews	Reviews/Ratings Overall 5.0 / 5 ease 5.0 / 5 features 5.0 / 5 design 4.5 / 5 support 5.0 / 5 Read all reviews	Reviews/Ratings Overall 4.6 / 5 ease 4.8 / 5 features 4.7 / 5 design 4.7 / 5 support 4.6 / 5 Read all reviews
Training Documentation Webinars Live Online In Person	Training Documentation Webinars Live Online In Person	Training Documentation Webinars Live Online In Person
Company Information Microsoft United States groupme.com	Company Information Signal Messenger Founded: 2018 United States signal.org	Company Information Salesforce Founded: 1999 United States slack.com
Alternatives Microsoft Teams Microsoft	Alternatives Element	Alternatives ClickUp
Slack Salesforce	Rocket.Chat	Dialpad Connect Dialpad
JioChat Reliance Jio Platforms	IncognitoDesk M2i3	Google Workspace Google
Tox	Astian Spika Astian	Flock
Google Hangouts Google View All	WhatsApp Meta View All	Microsoft Teams Microsoft View All
Categories Messaging Team Chat	Categories Encrypted Messaging Messaging Team Chat	Categories Collaboration Employee Communication Tools Internal Communications Messaging Remote Work Screen Sharing Team Chat Team Communication Unified Communications Video Conferencing Web Conferencing
Messaging Features End-to-End Encryption (E2EE) File Sharing Groups / Channels Payments Search / Filter Self-Destructing Messages Stickers / GIFs Threaded Discussion Video Conferencing Voice Calling Team Chat Features End-to-End Encryption (E2EE) File Sharing Groups / Channels Payments Search / Filter Self-Destructing Messages Stickers / GIFs Threaded Discussion Video Conferencing Voice Calling	Messaging Features End-to-End Encryption (E2EE) File Sharing Groups / Channels Payments Search / Filter Self-Destructing Messages Stickers / GIFs Threaded Discussion Video Conferencing Voice Calling Team Chat Features End-to-End Encryption (E2EE) File Sharing Groups / Channels Payments Search / Filter Self-Destructing Messages Stickers / GIFs Threaded Discussion Video Conferencing Voice Calling	Messaging Features End-to-End Encryption (E2EE) File Sharing Groups / Channels Payments Search / Filter Self-Destructing Messages Stickers / GIFs Threaded Discussion Video Conferencing Voice Calling Team Chat Features End-to-End Encryption (E2EE) File Sharing Groups / Channels Payments Search / Filter Self-Destructing Messages Stickers / GIFs Threaded Discussion Video Conferencing Voice Calling Show More Features Collaboration Features Brainstorming Calendar Management Chat / Messaging Contact Management Content Management Document Management Project Management Real Time Editing Task Management Version Control Video Conferencing Employee Communication Tools Features Activity / News Feed Audio / Video Conferencing Blogs Chat / Messaging Employee Directory Event Calendar File Sharing Knowledge Management Newsletter Management Surveys & Feedback Internal Communications Features App Integration Blogs Chat/Messaging Email Management Employee Directory Event Calendar Newsletter Management Photo Gallery Social Sharing Survey Management Telephony Video Chat Voice Chat Screen Sharing Features Annotations / Drawing Tools Desktop / Browser Sharing Mobile Screen Sharing Presenter Control Management Remote Control Screen Capture Screen Mirroring Screen Recording Team Communication Features Activity / News Feed Audio Calls Calendar Management Chat / Messaging Discussion Threads File Sharing Mobile Access Push Notifications Search Surveys & Feedback Task Management Video Conferencing Unified Communications Features Audio / Video Conferencing Calendar Management Call Recording Call Routing Chat / Messaging Fax Management File Sharing Mobile Access Multi-User Collaboration Voice Mail Video Conferencing Features Electronic Hand Raising Mobile Access On-Demand Webcasting Presentation Streaming Presentation Tools Private Chat Real-Time Chat Record & Playback Ability Screen Sharing Two-Way Audio & Video Video Conferencing Whiteboard Web Conferencing Features Electronic Hand Raising Mobile Access On-Demand Webcasting Presentation Streaming Presentation Tools Private Chat Real-Time Chat Record & Playback Ability Screen Sharing Two-Way Audio & Video Video Conferencing Whiteboard
Integrations Amplemarket AutomateMyGig BreachRx Digma Formester Hurma Officely OnStation PageProof PrivacyPerfect Rebolt.ai Reclaim.ai RevealSecurity Sprinklr Social Taskeo Teamwork.com Vorlon Workmates Show More Integrations View All 13 Integrations	Integrations Amplemarket AutomateMyGig BreachRx Digma Formester Hurma Officely OnStation PageProof PrivacyPerfect Rebolt.ai Reclaim.ai RevealSecurity Sprinklr Social Taskeo Teamwork.com Vorlon Workmates Show More Integrations View All 23 Integrations	Integrations Amplemarket AutomateMyGig BreachRx Digma Formester Hurma Officely OnStation PageProof PrivacyPerfect Rebolt.ai Reclaim.ai RevealSecurity Sprinklr Social Taskeo Teamwork.com Vorlon Workmates Show More Integrations View All 5111 Integrations
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