Microsoft was claiming that the data would be inaccessible to hackers (which is not true).
Signal claimed the exact opposite: that once it’s on your computer, messages can be seen by malicious programs on your computer.
Signal was caught having less than ideal security. Microsoft was caught lying.
Forest is a simple step counter that shows you the steps you did today, with a little extra info.
Doable is a tasks/reminders app. It’s not the most feature rich, and notifications are only in beta, but I love the design and it does what I need well.
Data Monitor shows you how much data you’ve used in your current plan, and you can see which apps use the most data (or wifi).
Quillpad for notes.
LibreOffice Viewer lets you open word documents and the like.
Squawker lets you open Twitter links more privately, and even follow users to see all of their posts, but requires you log in with an account.
Breezy Weather is a really nice weather app.