The official Zulip mobile app. The app is usable but still in beta: expect some rough edges. We’d love to hear your bug reports and feedback, no matter how minor — contact us at firstname.lastname@example.org or tweet @zulip.
Zulip is a team chat product for enterprises, open-source projects, working groups, and communities. Zulip’s unique threading model allows everyone to stay involved, even those that spend most of their day away from chat. https://zulipchat.com/why-zulip
Like everything Zulip, this app is 100% free and open-source software: https://github.com/zulip/zulip-mobile . Thanks to the hundreds of contributors that have made Zulip what it is: https://zulipchat.com/team/