This is a far more superior desktop/mobile app compatible with Bitwarden and Vaultwarden
https://github.com/AChep/keyguard-app/Looking at the description, it seems to require purchasing a premium version for the ability to add and modify items on Android, not sure if that's something I would want.
This is true if you download it from Google Play. If you sideload the GitHub APK, you get all premium features for free.