Thanks for the suggestions, I wasn't aware of either of them.
Ditto has a dead website and it's not on the Play store, there's a link on its repo but it's dead. APKs are not viable for mainstream use.
And I just tried onboarding someone on FluffyChat, and as of right now, it's non-viable as well. During the process I have to go back and forth between web browser and application which completely went over my mother's head despite the textual instructions, and when it's set-up it defaults to Matrix usernames instead of doing automatic contact resolution using an identity server.
On the other hand, the UI is pretty nice and fits in well with native apps, if the app had a more serious, bland branding and a tamer color palette it would be up to task UI-wise.
