Prepare for the CompTIA A+ with your personal AI tutor
Practice topic by topic, with every answer explained. The first topic is free, and every other topic is included in Astra AI Sigma.
Understand it. Don’t just memorize it.
On the CompTIA A+ you score when you understand what the question is really asking. The questions are grouped by topic, and the tutor shows you how to approach each one.
303 practice questions across 9 topics. The first topic is free.
What does the prep cover?
The main content areas of the CompTIA A+.
Hardware and devices covered.
PCs, laptops, mobile devices and printers.
Networking made clear.
Cables, ports, protocols and small office networks.
Operating systems step by step.
Windows, macOS, Linux and mobile OS setup and tools.
Security with practice.
Threats, best practices and a clear troubleshooting method.
Practice until it sticks.
How does the prep work?
From topic to real understanding, in three steps.
1. Pick a topic
Start with the one that worries you most, or go in order.
2. Answer questions
Work through questions on that topic and see right away what you got right and what you missed.
3. Actually understand it
Your personal AI tutor explains every answer and tracks your progress topic by topic.
The first topic is free
Frequently asked questions
For anyone heading into IT support who needs both A+ Core exams.
The prep covers the main content areas of the CompTIA A+: hardware and devices (PCs, laptops, mobile devices and printers); networking (cables, ports, protocols and small office networks); operating systems (windows, macOS, Linux and mobile OS setup and tools); security and troubleshooting (threats, best practices and a clear troubleshooting method).
They are grouped by topic: 303 questions across 9 topics, so you can work through the whole exam one area at a time.
You try the first topic with a free Astra AI account. If you want to keep going with the other topics, you unlock them with Astra AI Sigma.
No. The tutor explains why an answer is right or wrong and helps you solve the next similar question on your own.
Astra AI Sigma gives you every official exam prep in the app, such as IB Math, plus everything in Astra AI Plus.