I generally try to avoid suggesting people get something new. In your case a tool I use may help. There is a smartphone timer app called Timeglass. http://timeglassapp.io/ . You can set up multi-step timers with labels for each step and save multiple timers. You can run timers in parallel. I use it for things like Thanksgiving dinner when I have four things in the oven, three things on the stove, and something on... Source: almost 3 years ago

I use: tomato-timer.com, and I use the basic 25/5 or 25/10 for a longer rest. I set the bell tone I want and tell it to go continuously (that's "auto start" under settings). I get myself ready, close out wasting time tabs, open my document, make sure I have my water by my side, and press "start." Then I do my 5 or 6 sprints and usually am done for the day. Source: about 1 year ago

There is a "Tomato Timer". [1] Looks like it was bought recently. [1] https://tomato-timer.com/. - Source: Hacker News / over 1 year ago

Adderall and https://tomato-timer.com/ . Source: about 2 years ago

Here this might help you https://tomato-timer.com/. Source: over 2 years ago

Here’s a website with a timer too in case you don’t wanna use an app. Source: over 2 years ago