Diagnostic
A calibrated baseline test, taken solo, that maps exactly where you stand across application design and build, deployment, observability, configuration and security, and networking before you study anything.
CKAD Exam Comparison
One predicts your exam readiness across application design and build, deployment, observability, configuration and security, and networking. The other is a realistic exam simulator that comes bundled with your exam registration.
Edureify and killer.sh solve different halves of CKAD preparation. killer.sh gives you material to work through. Edureify adds the parts it leaves out: diagnostic baseline test, predictive readiness score and adaptive daily roadmap. The practical difference is that you finish with a predicted ready-by date instead of a completion percentage. Pick killer.sh if you mainly need content at the lowest price, and Edureify if you need to know when you are actually ready to sit the exam.
Exam CKAD — Certified Kubernetes Application Developer Features compared 8 killer.sh Included with exam registration (2 sessions) Edureify $49–$599 Updated 3 November 2026
The Certified Kubernetes Application Developer (CKAD) is the Linux Foundation and CNCF credential for developers who design, build, and deploy cloud native applications on Kubernetes, and it has no prerequisites. It covers Application Design and Build (20%), Application Deployment (20%), Application Observability and Maintenance (15%), Application Environment, Configuration and Security (25%), and Services and Networking (20%), on the Kubernetes v1.37 curriculum. The exam is a 120-minute, online-proctored, performance-based test of hands-on tasks (commonly reported as 15–20), and a score of 66% or higher passes. Registration includes one free retake and two killer.sh simulator sessions.
Edureify runs on one loop: a Diagnostic maps exactly where you stand across application design and build, deployment, observability, configuration and security, and networking before you study anything, an adaptive Roadmap turns that into a day-by-day plan weighted toward your actual gaps, a self-paced Practice Loop of questions, mock exams, and spaced review builds mastery topic by topic, and an Intervention layer steps in the moment your progress stalls. Every session feeds back into a live Readiness Score that predicts when you'll be exam-ready and names the specific topics still holding you back — not a completion percentage frozen at the end of a course.
A calibrated baseline test, taken solo, that maps exactly where you stand across application design and build, deployment, observability, configuration and security, and networking before you study anything.
A day-by-day plan built from your diagnostic and rebuilt automatically as you progress — weighted toward your actual gaps, not a generic syllabus.
Practice questions, mock exams, and spaced-repetition review, self-paced, with mastery tracked across application design and build, deployment, observability, configuration and security, and networking.
A live score with a predicted ready-by date and the specific topics still dragging it down, recalculated after every session.
Edureify also runs as a team platform for L&D leaders: every team member gets the same self-paced diagnostic-to-readiness loop, and managers get a live dashboard showing each person's Readiness Score, predicted ready-by date, and what's specifically holding them back — plus a portfolio view for reporting on CKAD readiness across the whole team.
killer.sh is the CKAD exam simulator the Linux Foundation includes with exam registration — two sessions, each with 36 hours of access to a realistic, hands-on environment covering application design and build, deployment, observability, configuration and security, and networking. Candidates consistently recommend it as the closest thing to the real exam environment, and it's often described as harder than the exam itself.
The gap is that a simulator is a test, not a study system: two sessions show you where you stand at two points in time, but they don't teach the material, plan your study, or track readiness across application design and build, deployment, observability, configuration and security, and networking in between.
Edureify's Diagnostic maps your understanding across application design and build, deployment, observability, configuration and security, and networking on day one, and the Readiness Score keeps updating as you practice — so you can walk into your killer.sh sessions already knowing which areas still need work.
killer.sh is a hands-on exam simulator, not a course; two CKAD sessions are included with Linux Foundation exam registration.
| Feature | Edureify | killer.sh |
|---|---|---|
| Diagnostic baseline test | Included | Varies |
| Predictive Readiness Score | Included | Not included |
| Adaptive daily roadmap | Included | Not included |
| Predicted ready-by date | Included | Not included |
| Course structure | Paid, diagnostic-driven | Exam simulator (2 sessions with registration) |
| Full-length mock / simulated exams | Included | Included |
| Full instructional curriculum | Included | Not included |
| Price accessibility | Mid-to-premium | Included with exam registration |
killer.sh is marked partial on the diagnostic row because each scored simulator session shows where you stand, though it's designed to be harder than the real exam.
See what's included in the Edureify CKAD program
View the CKAD programPrices move with promotions and bundle contents — check both providers before you buy.
Included with exam registration (2 sessions)
Two simulator sessions in a realistic, hands-on environment covering application design and build, deployment, observability, configuration and security, and networking.
Access 36 hours per session
$49–$599
Diagnostic, adaptive roadmap, practice loop, your Readiness Score, and unlimited AI tutor sessions.
Access 1 year
Full-loop coverage
Diagnostic + practice
One system runs from the baseline diagnostic through practice, review, and a live Readiness Score.
Published pass-rate data
Not available
killer.sh doesn't publish pass-rate data for simulator users.
The Readiness Score tells you a predicted pass likelihood across application design and build, deployment, observability, configuration and security, and networking, not just how much you've completed.
Ask about a tricky troubleshooting question with context on what you've already practiced.
The simulator mirrors the real remote-desktop exam setup, so exam day holds fewer surprises.
Two sessions come with your exam registration, so there's nothing more to buy.
Most candidates use killer.sh as a final check after a course and lab practice; it's a simulator, not a full curriculum.
They fit together: Edureify's diagnostic and roadmap structure your study, and your two included killer.sh sessions are a realistic check before exam day.
It's a useful signal, but the simulator is intentionally harder than the exam and you only get two sessions. Edureify's Readiness Score updates after every session.
Every CKAD candidate should use their included killer.sh sessions — they're the most realistic rehearsal of the exam environment available.
If you want a system that tells you specifically which topic is holding you back and when you'll be ready before you get there, Edureify's diagnostic-driven loop is built for that.
Either path can get you to exam day, but only one of them tells you, with a number, whether you're actually ready to sit it.
Start with Edureify