There is a 3rd alternative...
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Why choose Bitrix24 or Flock?
In terms of features, both Bitrix24 and Flock offer chat, file sharing, mentions, and contact management. Bitrix24 provides additional features such as polls, groups/channels, and 1-1 video calls. Flock, on the other hand, offers features like GIF and emoji support, group video calls (up to 20 participants), and user activity tracking. Bitrix24 supports graphic personalization, while Flock allows custom domain names. It's worth noting that Bitrix24 offers more extensive document management capabilities, including online document editing, document viewer, and document management, while Flock focuses more on messaging with features like notes-taking and task management.
Overall, Flock has a higher G2 Score, lower entry-level price, longer free trial period, and offers some unique features like GIF and emoji support and user activity tracking. On the other hand, Bitrix24 provides more comprehensive document management features and supports graphic personalization. Consider your specific needs and preferences to choose the platform that aligns best with your requirements.