Trying to decide between Slack and Lark? Both are industry-leading solutions, but which one is the best fit for your business? In this detailed comparison, we evaluate their features, pricing, ease of use, and customer support to help you make an informed choice. Whether you need advanced automation, better scalability, or user-friendly interfaces, this guide breaks down everything you need to know to select the right software for your needs.
Explore other software products that may fit your needs before making a final choice.
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Compare ratings, pricing, descriptions, buyer fit, integrations, category features, product details, alternatives, and SoftwareWorld’s final conclusion with Slack on the left and Lark on the right.
Slack
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Lark
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See ratings, free-trial availability, starting price, and a short description for each product in two dedicated columns.
Software
Slack is a communication platform designed for teams, offering a streamlined way to collaborate. It organizes conversations into channels, allowing users to focus on specific topics or projects. Direct messaging...
Read more about Slack
Software
Lark is an all-in-one collaboration suite developed to combine messaging, video conferencing, and document collaboration seamlessly. Its standout feature is the integration of these essential tools into a single, user-friendly...
Read more about LarkOpen any shared category to compare the features selected under that category for both products.
Features shown here belong only to the Employee Communication Software category.
| Feature | Slack | Lark |
|---|---|---|
| Surveys & Feedback | Listed | Listed |
| Chat/Messaging | Listed | Listed |
| Content Management | Listed | Listed |
| Mobile Access | Listed | Listed |
| Employee Onboarding | Listed | Listed |
| Event Calendar | Listed | Listed |
| Access Controls/Permissions | Listed | Listed |
| Activity/News Feed | Listed | Listed |
| Knowledge Management | Listed | Listed |
| Communication Management | Listed | Listed |
| Email Management | Listed | Listed |
| Multi-Channel Communication | Listed | Listed |
| Employee Directory | Listed | Listed |
| Document Management | Listed | Listed |
| Employee Communities | Listed | Listed |
| Collaboration Tools | Listed | Listed |
| Task Management | Listed | Listed |
| File Sharing | Listed | Listed |
| Alerts/Notifications | Listed | Listed |
| Multi-Language | Listed | Listed |
| Compliance Tracking | Listed | Listed |
| Employee Engagement | Listed | Listed |
| Live Streaming | Listed | Listed |
| Mass Notifications | Listed | Listed |
| Quizzes | Listed | Listed |
| Audio/Video Messaging | Listed | Listed |
| Artificial Intelligence | Not listed | Not listed |
Features shown here belong only to the Knowledge Management Software category.
| Feature | Slack | Lark |
|---|---|---|
| Cataloging/Categorization | Listed | Listed |
| Knowledge Base Management | Listed | Listed |
| Single Sign On | Listed | Listed |
| Communication Management | Listed | Listed |
| SSL Security | Listed | Listed |
| Text Editing | Listed | Listed |
| Activity Tracking | Listed | Listed |
| Social Media Integration | Listed | Listed |
| Access Controls/Permissions | Listed | Listed |
| Decision Support | Listed | Listed |
| Document Management | Listed | Listed |
| Collaboration Tools | Listed | Listed |
| Drag & Drop | Listed | Listed |
| Live Chat | Listed | Listed |
| Surveys & Feedback | Listed | Listed |
| Self Service Portal | Listed | Listed |
| Alerts/Notifications | Listed | Listed |
| Full Text Search | Listed | Listed |
| Commenting/Notes | Listed | Listed |
| Discussions/Forums | Listed | Listed |
| Tagging | Listed | Listed |
| Widgets | Listed | Listed |
| Content Management | Listed | Listed |
| Content Library | Listed | Listed |
| Multi-Language | Listed | Listed |
| Calendar Management | Listed | Listed |
| Artificial Intelligence | Not listed | Not listed |
Features shown here belong only to the Collaboration Software category.
| Feature | Slack | Lark |
|---|---|---|
| Project Management | Listed | Listed |
| Screen Sharing | Listed | Listed |
| Drag & Drop | Listed | Listed |
| @mentions | Listed | Listed |
| Communication Management | Listed | Listed |
| Discussions/Forums | Listed | Listed |
| Commenting/Notes | Listed | Listed |
| File Sharing | Listed | Listed |
| Real Time Notifications | Listed | Listed |
| Calendar Management | Listed | Listed |
| Video Conferencing | Listed | Listed |
| Chat/Messaging | Listed | Listed |
| Version Control | Listed | Listed |
| Task Management | Listed | Listed |
| Contact Management | Listed | Listed |
| Document Management | Listed | Listed |
| Task Progress Tracking | Listed | Listed |
| Content Management | Listed | Listed |
| Collaboration Tools | Listed | Listed |
| Alerts/Notifications | Listed | Listed |
| Task Scheduling | Listed | Listed |
| To-Do List | Listed | Listed |
| Prioritization | Listed | Listed |
| Tagging | Listed | Listed |
| Assignment Management | Listed | Listed |
| Artificial Intelligence | Not listed | Not listed |
Features shown here belong only to the Team Communication Software category.
| Feature | Slack | Lark |
|---|---|---|
| File Sharing | Listed | Listed |
| Document Management | Listed | Listed |
| Meeting Management | Listed | Listed |
| Progress Tracking | Listed | Listed |
| Real-Time Chat | Listed | Listed |
| Mobile Access | Listed | Listed |
| Search/Filter | Listed | Listed |
| Content Management | Listed | Listed |
| Discussions/Forums | Listed | Listed |
| Real Time Updates | Listed | Listed |
| Reminders | Listed | Listed |
| Surveys & Feedback | Listed | Listed |
| Video Conferencing | Listed | Listed |
| Drag & Drop | Listed | Listed |
| @mentions | Listed | Listed |
| Alerts/Notifications | Listed | Listed |
| Collaboration Tools | Listed | Listed |
| Access Controls/Permissions | Listed | Listed |
| Audio Calls | Listed | Listed |
| Task Management | Listed | Listed |
| Calendar Management | Listed | Listed |
| Contact Management | Listed | Listed |
| Project Management | Listed | Listed |
| File Management | Listed | Listed |
| Email Management | Listed | Listed |
| Artificial Intelligence | Not listed | Not listed |
Features shown here belong only to the Live Chat Software category.
| Feature | Slack | Lark |
|---|---|---|
| Transfers/Routing | Listed | Listed |
| Document Storage | Listed | Listed |
| Mobile Access | Listed | Listed |
| Search/Filter | Listed | Listed |
| Single Sign On | Listed | Listed |
| Support Ticket Management | Listed | Listed |
| Screen Sharing | Listed | Listed |
| Reporting/Analytics | Listed | Listed |
| Proactive Chat | Listed | Listed |
| Auto-Responders | Listed | Listed |
| Multi-Channel Communication | Listed | Listed |
| Real Time Notifications | Listed | Listed |
| Offline Form | Listed | Listed |
| Collaboration Tools | Listed | Listed |
| CRM | Listed | Listed |
| Interaction Tracking | Listed | Listed |
| Transcripts/Chat History | Listed | Listed |
| Contact Management | Listed | Listed |
| Geotargeting | Listed | Listed |
| Chat/Messaging | Listed | Listed |
| File Sharing | Listed | Listed |
| Canned Responses | Listed | Listed |
| Email Management | Listed | Listed |
| Surveys & Feedback | Listed | Listed |
| Artificial Intelligence | Not listed | Not listed |
Features shown here belong only to the File Sharing Software category.
| Feature | Slack | Lark |
|---|---|---|
| Access Controls/Permissions | Listed | Listed |
| Alerts/Notifications | Listed | Listed |
| Secure Data Storage | Listed | Listed |
| Role-Based Permissions | Listed | Listed |
| Authentication | Listed | Listed |
| Electronic Signature | Listed | Listed |
| Drag & Drop | Listed | Listed |
| Real Time Synchronization | Listed | Listed |
| Task Management | Listed | Listed |
| Version Control | Listed | Listed |
| Tagging | Listed | Listed |
| Collaboration Tools | Listed | Listed |
| Search/Filter | Listed | Listed |
| Email Management | Listed | Listed |
| File Transfer | Listed | Listed |
| Activity Tracking | Listed | Listed |
| User Management | Listed | Listed |
| Encryption | Listed | Listed |
| Commenting/Notes | Listed | Listed |
| Automatic Backup | Listed | Listed |
| Messaging | Listed | Listed |
| File Management | Listed | Listed |
| Calendar Management | Listed | Listed |
| Artificial Intelligence | Not listed | Not listed |
Features shown here belong only to the Conference Software category.
| Feature | Slack | Lark |
|---|---|---|
| Email Marketing | Listed | Listed |
| Ticketing | Listed | Listed |
| Sponsorship Management | Listed | Listed |
| Badge Management | Listed | Listed |
| Registration Management | Listed | Listed |
| Social Media Integration | Listed | Listed |
| Discount Management | Listed | Listed |
| Event Calendar | Listed | Listed |
| Real Time Analytics | Listed | Listed |
| Activity Dashboard | Listed | Listed |
| Credit Card Processing | Listed | Listed |
| Barcode/Ticket Scanning | Listed | Listed |
| Website Management | Listed | Listed |
| Attendee Management | Listed | Listed |
| Event Scheduling | Listed | Listed |
| Visitor Registration | Listed | Listed |
| CRM | Listed | Listed |
| Feedback Management | Listed | Listed |
| Meeting Management | Listed | Listed |
| Survey/Poll Management | Listed | Listed |
| Online Registration | Listed | Listed |
| Self Check-in/Check-out | Listed | Listed |
| Access Controls/Permissions | Listed | Listed |
| Lead Capture | Listed | Listed |
| Collaboration Tools | Listed | Listed |
| Engagement Tracking | Listed | Listed |
| Live Streaming | Listed | Listed |
| Live Chat | Listed | Listed |
| On-Demand Webcasting | Listed | Listed |
| Presentation Streaming | Listed | Listed |
| Screen Sharing | Listed | Listed |
| SMS Reminders | Listed | Listed |
| Recording | Listed | Listed |
| Artificial Intelligence | Not listed | Not listed |
Features shown here belong only to the Productivity Software category.
| Feature | Slack | Lark |
|---|---|---|
| Collaboration Tools | Listed | Listed |
| Task Scheduling | Listed | Listed |
| Notes Management | Listed | Listed |
| Alerts/Notifications | Listed | Listed |
| Email Management | Listed | Listed |
| File Sharing | Listed | Listed |
| Calendar Management | Listed | Listed |
| Chat/Messaging | Listed | Listed |
| Assignment Management | Listed | Listed |
| Activity Dashboard | Listed | Listed |
| Prioritization | Listed | Listed |
| Presentation Tools | Listed | Listed |
| Task Management | Listed | Listed |
| Single Sign On | Listed | Listed |
| Progress Tracking | Listed | Listed |
| Secure Data Storage | Listed | Listed |
| Project Management | Listed | Listed |
| Document Management | Listed | Listed |
| Office Suite | Listed | Listed |
| To-Do List | Listed | Listed |
| Tagging | Listed | Listed |
| Business Process Automation | Listed | Listed |
| Productivity Tools | Listed | Listed |
| Team Collaboration | Listed | Listed |
| Content Creation | Listed | Listed |
| Productivity Analysis | Listed | Listed |
| Video Content | Listed | Listed |
| Audio Recording | Listed | Listed |
| Artificial Intelligence | Not listed | Not listed |
Features shown here belong only to the Remote Work Software category.
| Feature | Slack | Lark |
|---|---|---|
| Softphone | Listed | Listed |
| Video Conferencing | Listed | Listed |
| Meeting Management | Listed | Listed |
| Remote Support | Listed | Listed |
| Communication Management | Listed | Listed |
| Time Zone Tracking | Listed | Listed |
| Third-Party Integrations | Listed | Listed |
| Electronic Signature | Listed | Listed |
| Live Chat | Listed | Listed |
| Video Chat | Listed | Listed |
| Task Management | Listed | Listed |
| Workflow Management | Listed | Listed |
| Collaboration Tools | Listed | Listed |
| Access Controls/Permissions | Listed | Listed |
| Progress Tracking | Listed | Listed |
| Employee Activity Monitoring | Listed | Listed |
| Reporting & Statistics | Listed | Listed |
| Document Management | Listed | Listed |
| Artificial Intelligence | Not listed | Not listed |
Features shown here belong only to the Video Conferencing Software category.
| Feature | Slack | Lark |
|---|---|---|
| Presentation Streaming | Listed | Listed |
| Auto Framing | Listed | Listed |
| Private Chat | Listed | Listed |
| Two Way Audio & Video | Listed | Listed |
| File Sharing | Listed | Listed |
| Screen Sharing | Listed | Listed |
| Real-Time Chat | Listed | Listed |
| Recording | Listed | Listed |
| Polls/Voting | Listed | Listed |
| Mobile Access | Listed | Listed |
| User Profiles | Listed | Listed |
| Automatic Transcription | Listed | Listed |
| Artificial Intelligence | Not listed | Not listed |
Compare deployment, device support, pricing model, support channels, and target company size for both products.
Explore alternatives to Slack and Lark before making a final choice.
Explore other software products that buyers may consider instead of Slack.
Explore other software products that buyers may consider instead of Lark.
This comparison brings public profile information, category-specific feature selections, review visibility, and clearly labeled sponsored placements together in a structured format so you can evaluate both products with confidence.
Each section keeps Slack and Lark in clearly separated columns so you can compare equivalent information without losing context.
Shared categories open into their own feature comparisons, helping you review use-case-specific capabilities rather than only broad product claims.
Sponsored products stay outside the detailed comparison, and paid placements are clearly labeled so the core comparison remains focused on Slack and Lark.
Profile pages, category pages, integrations, and alternatives are linked throughout the page so you can continue your research from the same comparison.
