Earlier quoted context omitted.
We tried Zulip about a year ago. There were loads of things we loved about it - the threading model in particular - but the learning curve was steep for non-technical members and the mobile app lacked a couple of key features (share sheet integration was the big one, from memory). We also looked at Quill, which had a similar threading model but … was bought and then sank without a trace. We ended up on Slack, which i…
What made the learning curve higher for non-technical members on Zulip than it was on Slack? It’s been a few years since I used Zulip, but I don’t feel like it had a particularly different level of complexity.
It's not particularly difficult concept, but different from every other chat app. And for a large user base being confronted with this demand "when they just want to send a message" is frustrating.