App Manager is described as 'It lists activities, broadcast receivers, services, providers, permissions, signatures, shared libraries, etc' and is an app in the OS & Utilities category. There are six alternatives to App Manager for a variety of platforms, including Android, Android Tablet, iPad, F-Droid and iPhone. The best alternative is Blokada, which is both free and Open Source. Other great apps like App Manager are Little Snitch (Paid), TrackerControl (Free, Open Source), NetGuard (Freemium, Open Source) and Root Uninstaller Pro (Freemium).
The best ad blocker for Android that works for all apps and does not require root. Free and open source. Blokada efficiently blocks ads, tracking and malware. It saves your data plan, makes your device faster and protects your privacy. It's free, open source and secure.
NetGuard provides simple and advanced ways to block access to the internet - no root required. Applications and addresses can individually be allowed or denied access to your Wi-Fi and/or mobile connection.