Locker: Combo Lock Practice
Open your locker confidently
About
Practice opening combination locks with a realistic simulation. Learn from clear explanations of mistakes and customize your practice experience. Ideal for preparing for school, gym, or work lockers.
What's New in Locker
1.0.3
October 15, 2026
Easier to see and use: • The home screen shows the lock right away, with less to read. • On smaller phones the dial is bigger, even with Teach Me open. • Buttons fit their words on narrow screens and with large text. • "Saved!" shows on the Save button, so the buttons stay put.
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FAQ
How does Locker help me practice opening locks?
Locker provides a realistic simulation of a combination lock that you can turn with your finger. It offers clear explanations for any mistakes you make, helping you learn the correct technique.
Can I set my own combination in Locker?
Yes, you can enter and save your own combinations within Locker. These combinations are stored locally on your device for privacy.
What types of lockers can I practice with Locker?
Locker is designed to work for any locker with a dial, including school lockers, gym lockers, work lockers, and college dorms.
Does Locker have ads?
No, Locker is completely free and does not contain any advertisements or tracking.
What dial sizes are available in Locker?
Locker offers dials numbered 0–29, 0–39, and 0–49 to accommodate various lock types.
Is Locker suitable for younger users?
Yes, Locker has an age rating of 4+, making it appropriate for a wide range of users who need to learn how to open combination locks.
How often is Locker updated?
The latest version of Locker was released on October 8, 2026, indicating recent development and support.
Can I turn off the clicks and haptics in Locker?
Yes, Locker allows you to turn off the clicks and haptic feedback if you prefer a quieter or less tactile practice experience.
