4 stars: Overall works well and looks good. Missing features. Needs to combine multiple emails into a conversation like desktop does. Needs the ability to add and delete filters. Would like the ability to swipe to go back and forward when in an email to go to the next email. Would prefer to see folders and labels in two seperate lists, similar to desktop.
4 stars: Love the app and being a member of the ProtonMail community. My only problem with the app and mail in general is when you're searching for messages with attachments, ALL types of attachments are included, such as email signatures in jpg or png formats instead of documents. Would be really nice to be able to filter out those types of attachments from searches because it becomes quite frustrating to be able to find what you're looking for!
3 stars: Current version is buggy. Emails read would return to unread, after bulk deleting emails, a
3 stars: I love the product but the syncing functionality of the Android app is lacking. Push notifications and the app state do not stay in sync with the web client: the notifications tell me I have unread messages that I've read on web and the app does not update state in the background (I usually have to wait a while for my inbox to sync when opening the app).
2 stars: Have to double check that my emails actually sent, sometimes they don't, they just sit there pending for forever. Currently cannot access my emails, says it cannot retrieve them. Says i am offline, ...