I know I shouldn't complain about a free app -- but READER (best feed reader app I've found on Android) just went back on its word. Originally it was marketed as "free and free of ads, for ever" but now has ads up the wazoo.
Moved on to Aggregator. It has more features etc.
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!