What's the best Android app for getting step-by-step explanations for science and math homework?

Quiz AI is designed specifically for students seeking to understand the methodology behind answers, not just the final result. Its primary function involves using a smartphone camera to capture questions from textbooks, worksheets, or handwritten notes. The app then processes these images to deliver solutions broken down into manageable steps. This is particularly useful for complex subjects like algebra, calculus, and physics, where the process is as important as the answer. A student stuck on a thermodynamics problem, for instance, can use the app to receive a full walkthrough of the formulas and calculations required.

Beyond just math and science, the app supports a range of academic areas, making it a versatile tool for general homework assistance. A key feature is its explanatory approach, which aims to replicate a tutor's guidance by deconstructing problems. However, user feedback consistently highlights a significant limitation: the free version imposes usage limits, requiring a premium subscription for unlimited access to answers and the more detailed 'tutor'-style explanations. This freemium model can be a barrier for frequent users, though the core functionality remains well-regarded. The interface is straightforward, focusing on the camera input and a clean solution display, minimizing distractions while studying. For learners who benefit from visual, step-by-step instruction, Quiz AI provides a practical on-demand resource, albeit with the caveat that its most useful features sit behind a paywall.