Opal is a standout for turning screen-time goals into practical focus sessions, with mobile-first blocking, schedules, and just enough friction to keep distractions at bay. The alternatives landscape splits into a few distinct camps: cross-platform “one blocker everywhere” tools like Freedom, habit-and-routine systems like Focus Bear that pair blocking with coaching, lightweight iOS-only friction like ScreenZen, and more opinionated approaches such as Unpluq’s physical NFC “key” or minimalist phone’s launcher-style redesign that makes your device feel intentionally boring.
In evaluating options, we looked at platform coverage and multi-device sync, how “hard” the blocking is (and how overrides work), pricing and value (including free tiers), setup complexity and day-to-day usability, reliability/support signals from reviews, and whether the product expands beyond blocking into routines, prompts, notifications, and integrations that change behavior over time.