Lark vs Slack

Lark brings workplace communication and collaboration tools together in one platform, including chat, calendars, document creation and cloud storage. In video meetings, participants can edit shared Docs in the call window. Starter includes unlimited real-time translation, while AnyCross provides drag-and-drop workflow automation and integrations, including ready-to-use solutions. The App Directory lists third-party tools for areas such as collaboration, recruitment, expense control, CRM and ERP. Developers can use the Open Platform to build custom bots, web apps and blocks, with more than 2,500 APIs available. Lark supports web, Windows, macOS, Linux, iOS and Android. Starter is limited to 20 users, 100 GB of storage and one-on-one video meetings; its listed allowances also include 18 months of message history and 1,000 automations per month. Basic, Pro and Enterprise list higher user, storage, meeting or automation allowances. The maker describes Starter as intended for small teams with simple communication needs and Enterprise for large companies needing advanced security and organizational management. A free plan is listed.

Slack is a team collaboration platform organized around messages, channels and connected apps. It supports guest access and integrations including Salesforce, Jira, Google Drive, Asana, Zoom, GitHub and Notion; its App Directory offers over 2,600 apps. Slack runs on the web, Windows, macOS, Linux, iOS and Android, and supports an API. The free plan is ₹0 and free forever, with 90 days of searchable message history and up to ten apps. Free users can hold one-to-one audio and video meetings with screen sharing, and send one-to-one external messages through Slack Connect. Paid plans offer unlimited message history and group external messaging with up to 250 organizations. Annual billing starts at $7.25 per user per month; monthly Pro is $8.75 per month. Workflow Builder automates routine tasks without coding. AI features include summaries, search, daily recaps, file summaries, Slackbot and workflow generation. Slack encrypts data at rest and in transit by default; security controls include two-factor authentication, access logs, SSO, device management and data loss prevention.