Free GCP PCA Practice Test vs Whizlabs: Honest 2026 Comparison
The Short Answer
They are built for different jobs. Whizlabs sells a structured bundle — 17 practice tests plus 76 videos and 87 hands-on labs, with a free sampler of 20 questions and paid access from around $22.99 — which suits candidates who want guided training. A free practice site gives you unlimited full-length mocks with no signup, which suits exam rehearsal. If your weak point is “I do not know the material”, buy the course. If it is “I run out of time and pick the second-best answer”, more mocks will teach you more per dollar.
Whizlabs figures below were read from its public Google Cloud Professional Cloud Architect product page on 6 October 2026. Vendors change prices and question counts — check the current numbers before buying.
The comparison at a glance
| gcppcatest.com | Whizlabs (PCA course) | |
|---|---|---|
| Cost | Free, no account | Practice tests listed at $69.95, discounted to $22.99 at the time of writing; bundle and subscription options also available |
| Free sample | Unlimited full-length mocks (12 exams, 50–60 questions each) | Free test with 20 unique questions |
| Exam simulation | Timed 120-minute mocks, randomised questions, instant scoring and per-question explanations | 17 practice tests in the bundle, with explanations |
| Hands-on labs | None | 87 labs and a cloud sandbox |
| Video training | None | 76 videos |
| Case studies | All seven official case studies, with a written deep dive for each | Covered inside the practice question sets |
| Exam voucher | Not applicable | Not included — Whizlabs states vouchers must be bought from Google |
Where Whizlabs is the better buy
- You want to be taught, not just tested. 76 videos and a structured path are genuinely useful if you are starting from a weak base.
- You want hands-on practice in a real console. The labs and sandbox are the part free question banks cannot replicate.
- You want a certificate-style course of record. Some employers reimburse structured training but not free question banks.
Where a free mock bank wins
- You need volume. The PCA is a judgement exam. Repetition under time pressure is what changes your score, and a sampler of 20 questions cannot deliver that.
- You are in the last month before booking. More videos at that point are procrastination; more full mocks are diagnosis.
- You want zero friction. No account, no expiry, no card. You can start a 120-minute mock in the next thirty seconds.
What we do not claim
We have not run a controlled study comparing pass rates between platforms, and neither has anyone else who quotes a number — Google publishes no pass rate at all. What we can tell you is exactly what our side contains: 12 free mock exams of 50–60 randomised questions in the real 120-minute format, sectional drills per domain, and written deep dives on all seven official case studies. Judge both options on that kind of concrete detail rather than on marketing.
If you want the material first, read the cheat sheet; if you want to know where you stand, take a free full mock before you spend anything.
Frequently Asked Questions
Does Whizlabs have a free GCP PCA practice test?
Yes. Whizlabs publishes a free test with 20 unique questions, and a discount coupon for the paid practice tests. Twenty questions is enough to see the style of their content, not enough to rehearse a 120-minute exam.
Is a free practice test enough to pass the PCA?
Free material covers the rehearsal you need — full-length, timed, exam-shaped questions. It does not teach fundamentals, so pair it with Google’s exam guide and the published case studies, which are free too.
Does Whizlabs include the exam voucher?
No. Whizlabs states that it does not provide an exam voucher and that you buy it directly from Google. The exam fee (US$200 plus applicable tax) is separate from any course you buy.
How many practice tests do I need before sitting the PCA?
Enough that your scores are stable rather than lucky. As a rule of thumb, ten or more full-length mocks spread over a few weeks, all completed inside the time limit, is a reasonable bar.