I found it hard to stick to, so I use this app which seems to work quite well: https://freedom.to. Source: 6 months ago

Apps I have tried and are not enough: - https://heyfocus.com/ - https://freedom.to/ - https://selfcontrolapp.com/ - https://www.forestapp.cc/ - https://www.rescuetime.com/. Source: 7 months ago

There are plenty of apps and organizational systems that will help you remember future tasks and reduce distractions. For example, Focus blocks distractions and schedules your breaks and Freedom will block distractions on all of your devices at once. - Source: dev.to / 9 months ago

Freedom. For $2.50 a month, Freedom will block all social media sites on all your devices during hours you specify. Source: 8 months ago

Ever find yourself unable to pull away from the digital distractions that disrupt your workflow? Well, Freedom is one of the best distraction-blocking apps that allows you to block websites, mobile apps, and any other digital distractions that prevent you from getting things done. Users can create personalized schedules that temporarily block access to distracting websites, apps, and even the entire internet if... - Source: dev.to / 10 months ago

Haven, available either on F-Droid or Google Play. Source: about 1 year ago

Haven might be what you are looking for. It can activate sound and video recording upon noise, light and vibration. It is in the IzzyOnDroid Repo or has its own repo. Check the project page: Https://guardianproject.github.io/haven. Source: about 1 year ago

Haven is open source. Last updated 2019, but works. https://guardianproject.github.io/haven/. - Source: Hacker News / over 1 year ago

You could retire it to a personal surveillance camera with haven (needs a sim for registration though). With root, you could even set a charging limit so the battery doesn't die. Source: over 2 years ago

For budget option, you can install Haven on an old phone and it would record/report audio, visual and movement you need to monitor. Source: over 2 years ago