A math puzzle phone lock system

Mr N on June 18, 2025 at 7:38 pm

Idea: A math puzzle phone lock system

Link: https://www.xda-developers.com/how-to-lock...

Only a good idea if you are installing it in your kid’s phone; otherwise you will be leaving your phone vulnerable to unauthorized access.

How to lock apps on your Android phone to prevent unauthorized access

Lock your apps to keep your data safe from prying eyes

katyking on June 18, 2025 at 5:41 pm

Idea: A math puzzle phone lock system

Link: https://play.google.com/store/apps/details...

I found this one on Google Play store that is perfect for kids’ devices.

App locker with math problems - Apps on Google Play

This is app locker (Overuse prevention, timer, time limit, children, free)

sunnyjim on June 18, 2025 at 4:04 pm

Idea: A math puzzle phone lock system

Link: https://www.standard.co.uk/news/tech/edloc...

This app locks you out of your fave apps until you complete a puzzle

Lock your most-used apps until you complete a challenge in order to improve your long-term memory

soleo on June 18, 2025 at 2:21 pm

Idea: A math puzzle phone lock system

Link: https://www.kidsnews.com.au/technology/a-n...

There’s one in Australia that forces kids to answer puzzles before they unlock their phones.

A TV with a built-in battery