Prepstellar: IT Certification

Oriol Dellá i Soler

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About this app

Become the tech pro every company needs.

Prepstellar is a complete academy for IT certification and tech skills in cloud, data, AI and programming — not just a question bank. Each course is a full study path: written lessons, audio, an AI tutor, practice tests, mock exams and spaced review, all in one app.

UNDERSTAND
Written lessons cover every exam objective, in short, focused cards you can finish in a few minutes.

LISTEN
Every lesson also plays as audio, so your commute, workout or walk becomes study time.

ASK
Stuck on a concept? Ask the AI tutor. It answers about the exact lesson you're reading.

PRACTICE
Practice tests after every lesson, quick game modes and timed mock exams that follow each exam's published skills outline. Find your weak spots before exam day.

REMEMBER
Spaced review brings back what you're about to forget. Track your progress, your study streak and your accuracy by section.

CERTIFICATION PREP
• AZ-900 · Cloud fundamentals
• AZ-104 · Cloud administration
• SAA-C03 · Cloud solutions architecture
• AIF-C01 · AI fundamentals
• DP-900 · Data fundamentals
• DP-600 · Analytics engineering
• DP-700 · Data engineering
• DP-750 · Lakehouse data engineering
• Data Engineer Associate · Lakehouse data pipelines
• COF-C03 · Cloud data warehousing
• PL-300 · Data analysis and reporting
• PL-900 · Low-code platform fundamentals

TECH COURSES
• SQL
• Python
• Data Analysis
• Statistics for Data Analysis
• Data Engineering
• Data Analyst Interview Prep
• Data Engineer Interview Prep

ALWAYS UP TO DATE
Every lesson is anchored to each exam's published study guide and documentation. When an exam changes, the course is updated.

Whether you are starting a career in tech, moving into cloud or data engineering, preparing for a data interview or adding a new certification to your profile, Prepstellar gives you the whole course on your phone.

Prepstellar is an independent study resource. It is not affiliated with, authorized, sponsored or endorsed by any certification provider or technology company. Certification names and exam codes belong to their respective owners and are used only to identify the exams our courses help you prepare for. No exam result is guaranteed.

What’s new

First release of Prepstellar: study guides you can read or listen to, code practice, mock exams and an AI tutor for IT certifications, SQL and Python.