Socratic by Google

Socratic by Google is a free AI-powered homework-help app that lets students snap a photo of a question — in math, science, literature, history and more — and instantly get explanations, curated resources, videos and step-by-step guidance to understand it. Aimed at high school and university students, it acts like a study companion that not only finds answers but helps you actually learn the underlying concepts, drawing on Google's AI and a curated set of trusted educational content.

Point your camera at a problem or type a question, and Socratic identifies the concept, then surfaces clear explanations, relevant YouTube videos, and links to quality resources — organized so you can grasp the topic rather than just copy a solution. It covers a broad range of subjects, making it a versatile free helper across a student's whole workload.

Socratic is completely free with no subscription, supported by Google, and available on iOS and Android.

Strengths: genuinely free (no paywall, unlike Chegg or Photomath Plus), broad subject coverage beyond just math, and its focus on explanation and curated learning resources over bare answers. Weaknesses: development has been quieter recently and it's less powerful than newer general AI tools like Gemini or ChatGPT for deep tutoring; coverage depth varies by subject; and it's aimed at students rather than advanced or professional use.

For students wanting a free, easy homework helper that explains concepts across many subjects, Socratic remains a handy tool — though today's general AI assistants often provide deeper, more interactive tutoring.