Math Lock

Math Lock is a smart and engaging learning app that helps kids build math skills while giving parents more control over screen time. Designed for ages 4 to 15 (Year 0–10), Math Lock turns your device into a learning tool by requiring children to solve a math challenge before unlocking.

But Math Lock is more than a lock screen app. It also includes guided practice, a Private Tutor, photo-based math help, and brain training features that make learning more interactive and useful every day.

Questions are adapted by level, helping children progress from basic number recognition and simple equations to fractions, ratios, negative numbers, algebra, and more. Parents can support better habits and focused learning, while children enjoy a playful, colourful experience.

Perfect for families who want learning, practice, and screen control in one app.

Features:

Lock screen with math challenges

Curriculum-based math for Year 0–10 (ages 4–15)

Auto-generated questions tailored to your child’s level

Practice mode for daily maths learning

Private Tutor with Ask, Snap, and Learn modes

Step-by-step explanations for solving maths problems

Photo solving for worksheets, textbooks, and handwritten questions

Topic-based learning, including equations, fractions, ratios, and algebra

IQ Test and brain training activities

Parent settings and control support

Fun, child-friendly design that encourages confidence and consistency

Make screen time smarter with Math Lock.

Terms of Service: https://mathlockapp.com/terms

Privacy Policy: https://mathlockapp.com/privacy

Accessibility Service Disclosure: Math Lock uses Android's Accessibility Service solely to detect when other apps are opened while the device is in screen lock mode. This allows Math Lock to enforce screen time limits by bringing the math challenge screen to the front. The Accessibility Service does NOT read, collect, store, or share any personal data, screen content, passwords, or browsing activity.
Accessibility Service Usage: Math Lock uses Android's Accessibility Service solely for its parental control device-locking feature. When enabled by the parent, the service detects when a child attempts to leave the app and brings Math Lock back to the foreground. This service does NOT collect, store, or transmit any personal data. It is only active when the parent explicitly enables the lock mode.