About ThinkAssist

An AI homework helper that shows its working

ThinkAssist is your AI-powered homework solver app, designed to be your personal 24/7 tutor and to support you in winning your school game. On the App Store it is listed as ThinkAssist: AI Picture Answer.

The problem ThinkAssist solves

Getting stuck on homework usually happens when no one is around to ask. Searching for a similar problem takes time, and answer sites often give a final result with no explanation, which does not help on the exam.

ThinkAssist takes the problem straight from a photo and explains how to solve it, step by step, so the next problem of the same kind is one you can do yourself.

How ThinkAssist works

  1. 1

    Snap a photo or type a question

    Photograph a homework question, worksheet or textbook problem, or type it in. Handwritten problems work too.

  2. 2

    ThinkAssist detects the subject

    The AI recognizes the subject and topic on its own, so there is nothing to set up before you ask.

  3. 3

    Get a step-by-step explanation

    Every answer shows the working, so you can follow the reasoning and check it, not just copy a final result.

  4. 4

    Go deeper when you need to

    Switch to Think Deep mode for hard questions, or keep chatting with the AI tutor about a step you did not understand.

  5. 5

    Review before the exam

    Your answers are saved in the app, so you can come back to them when you revise.

Key facts

  • Solves homework from a photo or a typed question, with a step-by-step explanation
  • Works across school subjects, from math and science to history and languages
  • Reads handwriting, worksheets and printed textbook problems
  • Runs on iPhone with iOS 18.6 or later
  • Free to download with a 3-day free trial, then $6.99/week; yearly plans cost less per week
  • No ads
  • Rated 4.6 out of 5 on the US App Store from 108 ratings
  • On the App Store since 22 May 2023

App Store figures as of October 2026.

What ThinkAssist is not

ThinkAssist is a study companion, not a planner: it has no reminders, calendar or task lists, and it needs an internet connection to answer. For organizing homework, the site has a free assignment tracker and a free flashcard maker.

Like any AI, it can make mistakes. Every answer shows its reasoning so you can check it, and it works best when you use it to understand a problem rather than to copy the result.

Made by Zoltan Dross

ThinkAssist is built and maintained by Zoltan Dross, founder of Dross Creative, an independent studio that builds AI-powered iOS apps. Zoltan is the App Store seller of record for ThinkAssist and writes many of the articles on the blog.

Questions or feedback? Get in touch.

Try it on your next homework problem

Free to download for iPhone, with a 3-day free trial.

Download for iOS