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Certification practice apps

Free daily certification practice tests.

Practice Security+, AI-901, AZ-900, AZ-104, A+, Network+, and AWS AI with source-backed daily web questions, then move into the apps for larger banks, weak-domain review, and steadier readiness tracking.

Why dotCreds

The website is the fast daily-practice layer. The apps unlock the deeper study loop: larger banks, objective drills, weak-domain review, cleaner mobile practice, and one-time Pro unlocks where available.

Browse by Provider
Use the provider hubs when you want the full catalog by vendor instead of scrolling through every exam on the homepage.
Microsoft

Microsoft practice tests

Daily Microsoft practice for Azure fundamentals, Azure administration, and business-AI exam prep.

6 active exams
Provider hub
Open Microsoft hub
CompTIA

CompTIA practice tests

Daily CompTIA practice for Security+, Network+, and the A+ Core 1/Core 2 split.

4 active exams
Provider hub
Open CompTIA hub
AWS

AWS practice tests

Daily AWS practice for AIF-C01 with source-backed explanations and app-based review.

1 active exam
Provider hub
Open AWS hub
Start With These Popular Exams
These are the easiest places to start if you want a stronger daily study habit without digging through the full catalog.
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What the apps include

What kinds of questions are in the apps?

The apps focus on exam-style multiple-choice questions mapped to the real exam domains and objectives, with source-backed explanations tied to the provider material used to write them.

How are the apps organized for studying?

Each app is organized around the exam code, domain areas, and objective-level drills so you can practice broad review, weak domains, or narrower objective-focused sessions instead of doing the same random mix every time.

What do the apps unlock beyond the free web set?

The free website gives you a small daily sampler. The apps unlock larger banks, objective drills, weak-domain review, readiness tracking, timed-test style sessions, and cleaner mobile practice.