Learning shouldn’t stop when you leave school, college or university: picking up new things keeps life interesting. These apps can help you learn new skills and subjects whether you’re 17 or 70.

App-based education is both incredibly useful and very flexible. With lessons available any time, anywhere, you can fit them into even the busiest schedule, and the range of available courses is staggering.

You can learn to cook with celebrity chefs, study statistics, perfect your public speaking or learn programming. Here’s how.

With more than 130,000 video courses across 2,000 topics ranging from app development to Zen Buddhism, Udemy is a comprehensive online university.

It’s constantly updated too, with tech topics in particular benefitting from regular refreshes to keep them current.

Whether it’s programming or public speaking, design or dog training, if you want to learn it, someone on Udemy is teaching it.

With Skillshare you can learn almost anything, anywhere, at a pace that suits you.

Hone your skills in business, take classes to bring out your creative side, get the best from big-name apps and much more. You’ll find more than 28,000 online classes designed to fit into even the busiest schedules.

Free education is an incredible thing, and Khan Academy is an incredible app.

It’s from a non-profit organisation whose goal is to provide free, world-class education to anybody anywhere in the world. Lessons are taught by a mix of video tutorials, articles and practical sessions.

And the range of available subjects is incredible – its courses cover everything from self-improvement to science, sociology to statistics.

Would you like your spreadsheets to sing, your product photos to pop or your presentations to have more punch? Then LinkedIn Learning is the training app for you.

Its 4,000-plus courses are designed specifically for business users, and the range of subjects includes leadership skills, marketing, web design and app-specific hints and tips.

Whether you want to improve your public-speaking skills or just save time in spreadsheets, LinkedIn Learning means business.