AI-901 Study & Practice is made and published by
合同会社HopStep.
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About AI-901 Study & Practice
AI-901 Study & Practice is an education app developed by 合同会社HopStep.
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App Information
AI-901 Study & Practice is freely available from the App Store. The app size is 184.33 MB. The latest version available is 2.0.6. The last update was on October 8, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since March 2026.
Description by 合同会社HopStep(from the App Store)
Study for AI-901 one lesson and one question at a time. Learn about generative AI, agents and choosing AI capabilities, then return to the questions you missed.
LEARN, THEN CHECK YOUR UNDERSTANDING Follow lessons with knowledge checks and read the explanations after answering. Diagrams and short columns connect concepts with implementation. What makes an agent different from a model? How do you extract information from documents? Work through questions like these as you study.
MAKE SENSE OF SIMILAR CONCEPTS Compare easily confused pairs and think through service-selection scenarios. Revisit key ideas with flashcards and a glossary.
REVIEW YOUR MISTAKES Retry missed questions from your answer history. Return to bookmarked questions and drill cards when you need a refresher.
CHECK READINESS WITH MOCK EXAMS Practice with four mock exams and chapter tests. In timed mode, track the remaining time, then review your results and explanations. These are independently created practice questions, not actual exam questions.
START FREE. EXPAND WITH PREMIUM. Start with lessons, knowledge checks and the first mock exam. A one-time Premium purchase unlocks the remaining mock exams and paid practice content, and removes ads. It is not a subscription. Check the in-app purchase screen for the price in your region.
STUDY TOPICS • AI concepts and responsible AI • Models, workloads and deployment choices • Generative AI apps, single agents, prompts and RAG • Text analysis, speech recognition and speech synthesis • Vision, document processing and information extraction Study Foundry implementation concepts and how to read Python code. The app supports conceptual and code understanding; it does not replace hands-on practice in a live environment.
Available in English and Japanese. Reference: the official AI-901 study guide, consulted October 4, 2026. Check the exam provider's latest information before booking your exam.
FOR EXISTING USERS The retired AI-900 content is removed. Both interfaces use AI-901 content. Existing users can switch between the previous and new interfaces in Settings. Learning progress and answer history are stored separately and do not sync between interfaces. New installations use the new interface.
CONTACT Use Contact in the app to report content errors or share suggestions.
This is an independent, unofficial study app. It is not affiliated with, endorsed by or sponsored by Microsoft Corporation. Microsoft, Azure and related names are trademarks of their respective owners. Passing the exam is not guaranteed.
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.