From here you can customize the Iris timer.
When the timer is active before the rest you will get reminder like this
Then just before the rest you will get Postpone window in the bottom right corner of the screen
Clicking postpone will cause the timer to be postponed by the Postpone duration. You can customize this duration from here
When the timer is running the remaining work and rest time are shown on the main screen
If you don’t postpone the timer rest screen is shown
You can select different timers from the Timer type dropdown.
The available timers are
The timer is stopped and there will be no break reminding.
Normal mode looks like this
By default every 30 minutes this screen will be shown with countdown timer. You can change work and rest time from the Timer page
Strict mode doesn’t have this Skip rest button and can’t be skipped. Use it to force yourself to get up, but be careful not to lock your PC for long period of time.
Strict mode looks like this and can’t be skipped
Productive mode is one nice Pomodoro timer which can easily switched from rest to work. As the name it’s make for people who use work and rest combinations for productivity
You can change the duration of the work and rest time from
This values apply to all timer types. You can also test the rest screen by clicking Have a rest now or using the keyboard shortcut Ctrl+Alt+Enter
If Auto close rest screen is set to OFF you will get Continue button after the rest has ended