App guide

Build better apps, use them wisely.

Plain-language guides to building mobile apps, using them safely, and keeping screen habits healthy for you and your family.

148 in-depth guides 18 topics Oct 2026 latest guide

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Building Apps

From first idea to launch, reviews and revenue.

Healthy and Safe Use

Habits, wellbeing and protecting yourself while using apps.

Apps for Everyone

Learning, family life and inclusive design.

Privacy and Security

Permissions, accounts, scams and keeping personal information under your control.

Design and Quality

Interface design, performance and the details that make an app pleasant to use.