There is a 3rd alternative...
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Why choose ClickUp or Spike?
While both tools offer roles management, contact management, and file sharing, ClickUp has more features such as graphic personalization, custom domain name, and workspace and user activity tracking. Spike, on the other hand, offers voice messages, 1-1 video calls, group video calls, screen sharing, audio calls, and a "do not disturb" mode. ClickUp has more integrations and API support, while Spike offers end-to-end encryption and SAML/SSO authentication. Ultimately, the choice between the two tools will depend on the specific needs and preferences of the user.