Cloud Cert Prep: AWS Azure GCP

88,000+ questions across all 13 cloud certs in ONE app: AWS, Azure, GCP, Terraform & Kubernetes. Mock exams, audio lessons & adaptive drills that target your weak spots.

ONE APP. EVERY CLOUD CERT. Stop juggling a different study app for every exam. CLO preps all 13 cloud certifications in one place — from your first Cloud Practitioner to Solutions Architect, DevOps, Security, Azure administration, Google Cloud, Terraform, and Certified Kubernetes Administrator. Pass one, start the next, same app.

88,000+ QUESTIONS, BUILT TO GET YOU A PASS • 88,000+ exam-style questions, every one with a full written explanation • Realistic mock exams that mirror the real blueprint domain weightings • Adaptive drills that automatically target your weakest domains • Audio lessons — study hands-free on the commute or at the gym • Flashcards, concept cards, and quick-review reels for spaced repetition • Progress tracking broken down per exam and per domain, so you always know what to study next

ALL 13 EXAMS COVERED AWS • Cloud Practitioner (CLF-C02) • Solutions Architect – Associate (SAA-C03) • DevOps Engineer – Professional (DOP-C02) • Security – Specialty (SCS-C02) • AI Practitioner (AIF-C01) • Machine Learning Engineer – Associate (MLA-C01) Microsoft Azure • Azure Fundamentals (AZ-900) • Azure Administrator (AZ-104) • Azure Security Engineer (AZ-500) Google Cloud • Professional Cloud Architect • Professional Data Engineer HashiCorp • Terraform Associate CNCF • Certified Kubernetes Administrator (CKA)

FIVE WAYS TO STUDY • Quick Quiz — a fast set from any domain of any exam • Mock Exam — full-length, timed, blueprint-weighted, and scored like the real thing • Weak-Area Drill — the app finds your lowest-scoring domains and builds a set to fix them • Audio Mode — questions and lessons read aloud, hands-free • Flashcards & Reels — bite-size review for spaced repetition between sessions

PERFECT FOR • Career-switchers breaking into cloud who need the fundamentals first • Engineers stacking AWS, Azure, and GCP to go multi-cloud • DevOps and platform teams adding Terraform and Kubernetes • Anyone retaking an exam who wants to drill only their weak domains

WHY CLO INSTEAD OF ONE APP PER EXAM Cloud careers are a ladder - nobody stops at one certification. You pass CLF-C02, then SAA-C03, then add Azure or Kubernetes for the role you want next. Every other app makes you download, relearn, and pay for a new tool at each step. CLO is the single app you keep for your whole cloud journey, with one consistent way to study across every vendor.

BUILT FOR SERIOUS PREP Explanations are written to teach, not just to mark right or wrong — so a missed question becomes something you actually learn. Domain-level analytics show exactly where you stand against the real exam blueprint, so you stop wasting time on what you already know and close the gaps that will show up on test day.

STUDY ANYWHERE, ONLINE OR OFFLINE Everything works with no signal. Your progress syncs automatically across iPhone, iPad, and Mac, so you can drill on your phone and review on your iPad without losing your place. No account or sign-up required to start.

START FREE Try CLO free, then unlock full access to all 13 exams with a single subscription. One upgrade, every certification — no per-exam paywalls.

Continued use of an auto-renewing subscription is charged to your Apple ID. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel anytime in your App Store account settings.

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