5 stars: Great email / calendar / VPN platform. The drive side of things has a long way to go though. I had a complaint about the app logging you out periodically but that's been fixed - thanks. It'd be nice if they rolled out yubikey support for everything, right now it only works for desktop email. I'd love to use it for the phone apps and for VPN as well.
5 stars: Functional, properly sends notifs, has an effective Dark Mode & other display tools. I love the security, the transparency from the company and that's it's independant from the tech giants. I'm considering upgrading, but haven't yet figured out whether Proton Drive can integrate with Obsidian cleanly, which will be the deciding factor for me.
3 stars: The app is functional, but immature. It's an absolute CPU hog, both in the foreground and background. I've had to restrict it's background usage so my phone doesn't die overnight (in battery saver mode with 40% remaining). There are some UI issues, too: frequently used buttons two actions away, lack of configuration options. Hopefully they keep improving things.
3 stars: Overall it's been very good but the last two versions I started having trouble with draft messages. When the op tried to save a message what I was writing would disappear. Super frustrating. Reinstalling helped but only good for so long. This time I've had a few good months but now it's failing to save the drafts, and while my writing doesn't disappear it's not saved enough to even be th...