Doodle vs Slack
Side-by-side comparison of AI visibility scores, market position, and capabilities
Zurich scheduling platform at $24.9M revenue 2025 with 30M monthly users; acquired by TX Group 2014; no-login group availability polling competing with Calendly for professional meeting coordination across 30M+ monthly users.
About
Doodle is a Zurich, Switzerland-based scheduling and meeting coordination platform — acquired by TX Group (Swiss media group) in 2014 following a minority stake in 2011 — providing individuals, teams, and enterprises with group availability polling tools that simplify meeting scheduling by allowing organizers to propose multiple time slots and invitees to indicate their availability without requiring account creation from participants. Generating $24.9 million in annual revenue in 2025 with 30 million monthly users, Doodle serves the universal professional pain point of coordinating meeting times across multiple participants with varying calendar availability. Founded in 2007 in Zurich, Doodle has built one of the most widely used scheduling tools in Europe and is expanding its enterprise B2B capabilities.
Salesforce (NYSE: CRM) team messaging platform at $27.7B acquisition processing 1.5B weekly messages; competing with Microsoft Teams for enterprise collaboration through Salesforce integration and developer-first experience.
About
Slack is a San Francisco-based team collaboration and communication platform — acquired by Salesforce (NYSE: CRM) in 2021 for $27.7 billion — providing organizations with channel-based messaging, direct messaging, file sharing, video calls (Slack Huddles), and a 2,600+ app integration ecosystem that connects team communication with the business tools (Salesforce, Jira, GitHub, Google Drive) teams use daily. Used by 200,000+ organizations including IBM, Airbnb, and Target, Slack processes 1.5 billion+ messages weekly and serves as the communication backbone for technology companies, knowledge work organizations, and enterprises worldwide.
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