Unlocking combination locks by simulating real mechanisms. Spin the dial to input combinations and open the by tapping or swiping the shackle. Receive hints when common mistakes occur, such as forgetting to rotate the dial fully.
by James Randolph★ 4.81,992 ratingsEducation$0.99Data updated 2026-10-30
Locks device when unplugged or moved. Sounds loud alarm during charging changes. Prevents unauthorized access while charging or in public spaces. Works offline without internet connection.
For practicing number combinations 0-9. Students complete drills in order then random order after mastery. Review mode includes 30 problems with recent and previous digits. Only correct answers are shown. Tracks progress and provides feedback.
