Nagbox is a small app designed to do one thing: nag you repeatedly when you waste your time and not let you lose the track of it. Just set up a recurring reminder, enable it when you start slacking, and feel guilty each time it fires.
• Helps you waste less time…
• …or at least helps you measure the problem.
• Tailored for Android N.
• Free, no ads, open source.
Learn more here: https://github.com/Actinarium/Nagbox