Compare 3 Kotlin courses from top providers — filter by price, level, provider & certificate.
Every free Kotlin courses we track — 3 right now. You can work through the full syllabus at no cost; on some platforms the certificate is a paid add-on.
Same shortlist as below, side by side — including who runs it and why it stands out.
| Course | Provider | Rating | Price | Duration | Why pick this one |
|---|---|---|---|---|---|
| Android App Development with Kotlin | Beginner to Advanced |  Udemy |
4.2★ | Free | Free — and still gives a certificate | |
| Learn Kotlin | Codecademy | 4.5★ | Free | 9h | Highest rated (4.5★ from 1.1K reviews) |
| Developing Android Apps with Kotlin | Udacity | Udacity | 4.5★ | Free | 4 months | Free to audit |
Udemy Verified