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Learning apps like Coursera, edX, Khan Academy and Udemy let you study from your phone, often for free. Some courses are completely free, while others are free to study but charge for the certificate.
Knowing how each platform works saves time and avoids surprises. This guide explains where to find free courses, how to enroll and when a certificate is really included.
Cómo funciona
On your phoneAndroid and iPhone
Free optionson every platform
Certificatessometimes paid
A tu ritmoestudia cuando quieras
Popular free topics
Digital skillscomputers and office tools
Businessmanagement and marketing
Mathsfrom basics to advanced
Englishcommunication skills
Personal growthproductivity and more
Scienceonline lessons
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Todo lo que necesitas saber
Free to learn vs free certificate
Many platforms let you watch the lessons for free but charge for the certificate. On Coursera and edX this is often called auditing a course.
If you only want to learn a skill, auditing is enough. If you need a document to show employers, check the certificate price and whether financial aid is available.
Completely free options
Khan Academy is a non-profit that offers all its lessons for free. Some Udemy courses are also free, although free Udemy courses usually do not include a certificate.
Combining a free platform for learning with a paid certificate only when it really matters is a smart way to save money.
Studying on your phone
All these platforms have Android apps. You can download some lessons to watch offline, which helps save mobile data.
Use Wi-Fi to download videos and study later on the bus or during breaks.
Picking a course that helps you
Choose courses connected to jobs you want. Digital skills, customer service and basic business courses are useful in many areas.
List the skills you learned on your CV and be ready to give examples in interviews.
Resumen rápido
Choose a learning app, find a free or audit course, enroll with your email and study at your own pace. Check the certificate rules before you start.
The guides above explain each step and compare the main platforms.
Mantente seguro
Download apps only from the official store and enroll on official websites. No real platform will ask for your bank password or codes received by SMS.
Be careful with ads promising free certificates in exchange for personal data.