Is Blaawk - Website Blocker & Pomodoro Timer safe?

Blocks distracting websites and provides productivity tools such as a Pomodoro timer and task tracking.

This extension lets users create website blocklists with optional detailed blocking schedules. It also includes a customizable Pomodoro timer, time tracking, a Kanban board, an XP system, and daily, weekly, and monthly stats. The store description says data stays local on the user’s device.