There is a 3rd alternative...
Atolia, the one and only workspace your team needs
Atolia is a power-packed all-in-one digital workplace: Chat, Video calls, Tasks & Projects, Calendars, Documents, Notes...
Accelerate your team's collaboration game.
Implement it in minutes and save money. Atolia is cheaper than most of the business instant messaging apps.
Why choose ClickUp or Lark?
Both ClickUp and Lark have free versions and offer roles management and contact management. ClickUp offers more features such as graphic personalization, custom domain name, workspace and user activity, polls, and 1-1 video calls. On the other hand, Lark offers group video calls for up to 500 participants, screen sharing, audio calls, breakout rooms, recording, participant permissions, subtitles and translations, and a calendar. Overall, ClickUp may be a better choice for those on a tight budget, while Lark may be more suitable for larger teams or those who need more advanced communication features.