| Product | Ideal for | Price from | Free version | |
|---|---|---|---|---|
| Language learning by daily lessons | Free | Yes | Visit | |
| Free school subjects and maths | Free | Yes | Visit | |
| University courses on mobile | See website | Yes | Visit | |
| Single affordable skill courses | See website | No | Visit | |
| Structured language courses | See website | Free trial | Visit | |
| Maths, science and problem solving | See website | Free trial | Visit | |
| Creative skills by project | See website | Free trial | Visit | |
| Inspiration from well known teachers | See website | No | Visit |
We compared official feature pages, pricing pages, app store listings, privacy policies and public reviews to build this list. Our pick for most people is the option that gives the clearest value for its price, but the right choice for you depends on your budget, your devices and how often you will use it.

Ideal for: Language learning by daily lessons

Duolingo fits language learning by daily lessons. Beginners get a fun daily habit for new languages. That focus shows in day to day use, where the main tools are easy to find and the extras do not get in the way. The catch is worth knowing before you commit. Advanced learners need deeper study beside it. Check the current price, the renewal terms and what is included on the plan you actually want, since entry plans often leave out the features shown in marketing. If that trade off still works for your routine, this is an easy option to recommend.

Ideal for: Free school subjects and maths

For free school subjects and maths, Khan Academy is a strong place to start. Students get a strong free path through school subjects. It is a practical choice when you want results without a long setup process. The catch is worth knowing before you commit. Professionals need a different platform for job skills. Check the current price, the renewal terms and what is included on the plan you actually want, since entry plans often leave out the features shown in marketing. If that trade off still works for your routine, this is an easy option to recommend.

Ideal for: University courses on mobile

If university courses on mobile is your main need, Coursera deserves a close look. Its structured courses suit learners who want depth and proof. The design keeps the core job front and centre. The catch is worth knowing before you commit. Casual learners may find the pace formal. Check the current price, the renewal terms and what is included on the plan you actually want, since entry plans often leave out the features shown in marketing. If that trade off still works for your routine, this is an easy option to recommend.

Ideal for: Single affordable skill courses
Udemy fits single affordable skill courses. Buying one course suits a single skill goal. That focus shows in day to day use, where the main tools are easy to find and the extras do not get in the way. The catch is worth knowing before you commit. Check previews and reviews, since quality varies. Check the current price, the renewal terms and what is included on the plan you actually want, since entry plans often leave out the features shown in marketing. If that trade off still works for your routine, this is an easy option to recommend.

Ideal for: Structured language courses
For structured language courses, Babbel is a strong place to start. Language learners who want structure get clearer progression than gamified apps. It is a practical choice when you want results without a long setup process. The catch is worth knowing before you commit. Casual learners may prefer a free app. Check the current price, the renewal terms and what is included on the plan you actually want, since entry plans often leave out the features shown in marketing. If that trade off still works for your routine, this is an easy option to recommend.

Ideal for: Maths, science and problem solving
If maths, science and problem solving is your main need, Brilliant deserves a close look. STEM learners benefit from hands on problems, not just videos. The design keeps the core job front and centre. The catch is worth knowing before you commit. Humanities learners will find little here. Check the current price, the renewal terms and what is included on the plan you actually want, since entry plans often leave out the features shown in marketing. If that trade off still works for your routine, this is an easy option to recommend.

Ideal for: Inspiration from well known teachers
For inspiration from well known teachers, MasterClass is a strong place to start. Its lessons inspire and explain broad topics well. It is a practical choice when you want results without a long setup process. The catch is worth knowing before you commit. Learners needing practice should pair it with a hands on course. Check the current price, the renewal terms and what is included on the plan you actually want, since entry plans often leave out the features shown in marketing. If that trade off still works for your routine, this is an easy option to recommend.
We started with the products that appear most often in this category, then kept only the ones that exist and work today, with a clear official homepage and a plan structure we could describe honestly. We compared official feature pages, pricing pages, app store listings, privacy policies and public reviews, and we left out products whose prices or homepages we could not verify. We did not claim hands on testing that did not happen, and we favoured products with clear terms over products that hide limits in fine print. We also weighed fit over fame. A well known name can be the wrong pick if its plan is built for a different kind of user, while a smaller option can be better when it matches your daily routine. That is why each write up names who the product suits, one concrete strength and one honest weakness, so you can judge the trade off for yourself.
One focused skill beats five half started courses. Finish a short path before adding another.
Active practice builds skill faster than passive watching. Choose apps with exercises, quizzes or projects.
Fifteen minutes at the same time each day beats long weekend bursts for most learners. Before you decide, shortlist two options and test them side by side for a few days of normal use. Note what slows you down, what costs extra, and what you would miss if you switched. That short test usually reveals the right choice faster than reading another ten reviews, because it is based on your routine, your devices and your budget rather than on a generic ranking. Also check support and cancellation before you pay for a year in advance. A clear help centre, a reachable support team and a simple cancel button are worth more than a small discount, because they decide how painful it is to fix a billing problem or leave later. If support is hard to reach during a trial, treat that as a warning sign, not as a minor detail, and choose the option with clearer terms even if its headline price is slightly higher.
Duolingo suits languages, Khan Academy suits school subjects, and Brilliant suits maths and science. Goal decides the app.
Duolingo and Khan Academy offer strong free plans. Paid plans remove ads or add advanced features.
Udemy suits single skills, Skillshare suits creative projects, and Coursera suits structured university style learning.
They supplement learning well, but they rarely replace formal qualifications or teacher feedback.
Set a daily time, track streaks or progress, and choose a project that uses the skill in real life.