Free Options
Apple Screen Time (iOS) & Google Family Link (Android)
Pros:
Built into devices, easy to set up.
Monitor screen time, set app limits, and manage device use.
Limitations:
Can be bypassed by tech-savvy children.
Limited reporting and insights compared to paid tools.
Best suited for younger children; less effective for teens.
Apple Family controls are limited in scope and generally recommended only until age 14.