Lark vs Proton Calendar

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.

Proton Calendar is a calendar service for managing events, invitations, and recurring schedules on Android and iOS. Event titles, descriptions, locations, and invited people are protected with end-to-end or zero-knowledge encryption. A free Proton account costs nothing and allows up to 3 calendars. Paid Proton Mail plans allow up to 25 calendars, with calendar sharing by link to other calendar services on the web. Users can send invitations and add events from Proton Mail; appointment scheduling updates availability and adds confirmed meetings. The service supports scheduling links and video meetings, and notifications can arrive through desktop browsers or mobile devices. Calendar import and export are available on paid plans. Subscriptions purchased through proton.me renew automatically, and users can switch plans at any time; upgrades receive prorated credit. Proton is incorporated and headquartered in Switzerland and follows Swiss privacy laws.