VS
Professor Messer’s free videos are a classic way into CompTIA. OpenpassAI covers 286 certifications with everything around the lessons: an AI tutor, timed practice exams, live labs, a personal readiness dashboard and career tools in one place.
200 free credits · No credit card required
At a glance
Winner for IT certificationsThe all-in-one IT certification platform
Free video courses for three CompTIA certifications
The short answer
Professor Messer covers A+, Network+ and Security+. OpenpassAI covers 286 certifications from CompTIA, AWS, Cisco, Microsoft, Google Cloud, ServiceNow, ISC2, PMI, NVIDIA, Databricks, Salesforce and Splunk, so your next certification is already in the same plan.
A timed exam simulator, performance-based questions, job scenarios and live Linux and Windows terminals. Professor Messer’s practice exams come as a PDF or a printed book.
Ask the AI tutor about anything you didn’t follow, and watch your exam-readiness score climb on your personal dashboard. Videos teach everyone the same way, at the same pace.
Your personal dashboard
Every session starts from your dashboard: readiness for your exam, curriculum progress, accuracy by domain, your streak and the next best thing to study. A video playlist can’t tell you whether you’re ready.
Side by side
What you get for certification prep in each, tool by tool.
WinnerOpenpassAI wins 5 of 6 categories
Professor Messer details from Professor Messer, SY0-701 Success Bundle, checked November 6, 2026. OpenpassAI isn’t affiliated with Professor Messer.
The verdict
Watching Professor Messer’s videos already? OpenpassAI adds the practice, the labs, the readiness score and the job search around them, for every certification after Security+ too. It starts free with 200 credits.
Price
Professor Messer’s videos are free; his notes and practice exams are sold exam by exam. OpenpassAI Pro includes every learning and career tool for every certification.
Everything included$19/month
Pro, or $190 a year · Backed by our 100% Pass Guarantee
Free: $0, with 200 starter credits. No credit card required.
Video coursesFree
A+, Network+ and Security+
Practice exams$30
Three 90-question exams for Security+, PDF or book
Course notes$30
A summary of every Security+ objective
Success Bundle$119
Notes, practice exams, Exam Hacks and video downloads
Prices for CompTIA Security+ (SY0-701) as published by Professor Messer. Checked November 6, 2026.
FAQs
Find quick answers or contact our support team.
Many people start there, but videos teach; they don’t test you or tell you when you’re ready. OpenpassAI adds timed practice exams, performance-based questions, live labs and a personal readiness dashboard, so you know you’re ready before you book.
Yes. Plenty of learners watch the videos and do everything else in OpenpassAI: lessons that check your recall, the AI tutor for questions, practice exams, labs and readiness tracking.
Professor Messer covers A+, Network+ and Security+. OpenpassAI covers 286 certifications from CompTIA, AWS, Cisco, Microsoft, Google Cloud, ServiceNow, ISC2, PMI, NVIDIA, Databricks, Salesforce and Splunk, in the same plan, from $19 a month.
No. This comparison uses Professor Messer’s published courses and prices as of November 6, 2026.
OpenpassAI
Hi 👋 I’m OpenpassAI. Ready to prepare for your exam the smarter way?
Ready to explore OpenpassAI? I can show you how the platform helps you prepare, practice, and pass.
