Coupons Free Topics

Search courses

Loading instructor profile…

CouponsVerified Coupons FreeFree Courses TopicsTopics

Search courses and topics

React

Advertise Submit Course

Udemy instructor

Catalin Stefan

Teaches: Development · Teaching & Academics · IT & Software
Languages: English · French

Course index: 480 live offers
Students: 242.4K
Average rating: 4.51

First published: Apr 2018
Latest course: May 2026
Total content: 343 hours

About

Udemy coupons monitored continuously.

Verified offers, course alerts, precise filters, and browser detection built for learners who want coupons that still work.

Browser tools

Find coupons directly on Udemy.

The extension surfaces an available Comidoc coupon while you browse a Udemy course page.

Useful links

Discover

Blog
Daily Freebies
Most Wanted Coupons
Coupon Statistics
Top Contributors
Udemy Sale Calendar

Services

Pricing
Advertise Here
Developer API
Submit Coupon

Comidoc

About
Contact
Data License
Privacy
Service status
Terms

© 2017–2026 Comidoc

v6.7.85

Independent coupon discovery for Udemy learners

Instructor catalog

All Catalin Stefan courses

OpenAI Engineer: APIs, Libraries, Models, Agents SDK

OpenAI Engineer: APIs, Libraries, Models, Agents SDK

OpenAI Engineer: APIs, Libraries, Models, Agents SDK

(4.93 with 7 reviews)

89

students

5.0 hours

content

May 2026

updated

$14.99

Tests unitaires en Java avec JUnit, Mockito et PowerMock

Tests unitaires en Java avec JUnit, Mockito et PowerMock

Tests unitaires en Java avec JUnit, Mockito et PowerMock

(4.66 with 28 reviews)

172

Instagram clone with Android Jetpack Compose, Firebase, MVVM

Instagram clone with Android Jetpack Compose, Firebase, MVVM

Instagram clone with Android Jetpack Compose, Firebase, MVVM

(4.50 with 178 reviews)

1.4K

students

Build a Tinder Clone in Android Jetpack Compose and Firebase

Build a Tinder Clone in Android Jetpack Compose and Firebase

Build a Tinder Clone in Android Jetpack Compose and Firebase

(4.44 with 24 reviews)

206

Python design patterns masterclass

Python design patterns masterclass

Python design patterns masterclass

(4.60 with 148 reviews)

1.4K

students

Romanian for Beginners : Level 1

Romanian for Beginners : Level 1

Romanian for Beginners : Level 1

(4.57 with 87 reviews)

518

students

39 minutes

content

Feb 2026

updated

Complete Scala 3 development masterclass

Complete Scala 3 development masterclass

Complete Scala 3 development masterclass

(4.67 with 680 reviews)

4.9K

students

20 hours

Complete Kotlin development masterclass

Complete Kotlin development masterclass

Complete Kotlin development masterclass

(4.73 with 3.2K reviews)

20.9K

students

Android Monetisation AdMob & in-app billing with Kotlin

Android Monetisation AdMob & in-app billing with Kotlin

Android Monetisation AdMob & in-app billing with Kotlin

(4.10 with 62 reviews)

416

students

Android Jetpack masterclass in Kotlin

Android Jetpack masterclass in Kotlin

Android Jetpack masterclass in Kotlin

(4.44 with 1.2K reviews)

5.4K

students

Basic Git and Github - essentials

Basic Git and Github - essentials

Basic Git and Github - essentials

(4.51 with 38.3K reviews)

92.2K

students

51 minutes

Swift Design Patterns masterclass

Swift Design Patterns masterclass

Swift Design Patterns masterclass

(5.00 with 7 reviews)

107

students

1 2 3 4

students

1.4 hours

content

Feb 2026

updated

$19.99

7.9 hours

content

Feb 2026

updated

$14.99

students

5.0 hours

content

Feb 2026

updated

$14.99

4.4 hours

content

Feb 2026

updated

$17.99

$14.99

content

Feb 2026

updated

$17.99

31 hours

content

Feb 2026

updated

$14.99

6.3 hours

content

Feb 2026

updated

$14.99

10 hours

content

Feb 2026

updated

$14.99

content

Feb 2026

updated

$14.99

3.8 hours

content

Feb 2026

updated

$17.99