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415 practice questions covering all four Claude certification exams. Every item is tagged to a domain from the official exam guide, and your projected score is weighted the way the real score report weights it.
Certly is an independent study companion. It is not affiliated with, endorsed by, or officially associated with Anthropic.
One app for the whole certification track.
Pick your exam on first launch and switch whenever you like. Progress, streaks and simulation history are kept separately for each one, so preparing for Developer never muddies your Architect numbers.
Using Claude well as a knowledge worker: prompting, judging output, picking the right product and model, governance and responsible use.
Hands-on building: API mechanics, agents and workflows, model selection and cost, prompt and context engineering, security, tools and MCP servers.
Architectural judgment for production systems: agentic loops, multi-agent orchestration, MCP tool design, AI coding tool configuration, structured output and context management.
Owning a Claude system end to end: solution design, integration and RAG, evaluation and optimization, governance and risk, and communicating trade-offs to stakeholders.
Item counts, time limits, domain weights and fees are transcribed from each official exam guide (version 1.0, July 2026). Exam fees are set by Anthropic and paid to Pearson VUE, not to Certly.
Recognizing the right answer isn’t the same as writing the right prompt.
The Prompt Lab is a fourth tab of hands-on exercises. Spot the upgrade between four rewrites of a weak prompt. Assemble a prompt from blocks: role, context, instruction, examples, output format, structure and constraints. Or write your own and have it graded against a seven-criterion rubric.
Grading runs entirely on device. Nothing you write leaves your phone, and the whole tab works with no signal.
Multiple-response items
Sixteen questions ask for two correct answers, and they are marked the way the real exam marks them: exact match, no partial credit.
Content updates over the air
Corrections and new questions arrive without an App Store update, and without you needing an account.
Rebuilt interface
A quiet typographic layout, one indigo accent reserved for progress, and full dark mode. Less chrome, more reading room.
Everything sized for a session you actually finish.

Dashboard. Projected score, streak, and what to review next.

Study. By domain, by scenario, or ten weighted at random.

Practice. Scenario-shaped items with an explanation on every answer.

Simulation. Full length, domain-weighted, explanations held to the end.

Prompt Lab. Three ways to practice writing, not just recognizing.

Exam picker. Switch track any time. Progress is kept per exam.
The four exams
Every domain and its official weight, for all four exams, plus how many Certly questions cover each one.
Exams and domains → 02Features
Weighted scoring, spaced repetition, simulations, daily challenge, achievements, sync, Prompt Lab.
See all features → 03How it works
Pick an exam, study where you are weakest, simulate the real thing, then read the score report.
See the flow →Find out what you don’t know yet.
Answer a handful of questions and Certly projects your score on the 100 to 1000 scale, domain by domain.