ApkTrack

ApkTrack checks, if updates for installed apps are available.
It was created for users, who do not want use Google PlayStore, but still would like to be informed when new versions of their installed applications are available. ApkTrack performs simple website scraping to obtain the latest version information of APKs present on a device. It can query F-Droid, PlayStore, Xposed, plus many other sources of APKs via the ApkTrack Proxy.