# Using Knowunity on a computer

> Sign in at knowunity.com with the same account as in the app. Your library, AI chat and study tools stay in sync across devices.

## Sign in on the web

1. Go to [knowunity.com](https://knowunity.com) and sign in with the same method you use in the app: Google, Apple or email.
2. Open the web app. Your library, folders, AI chats and study plans are the same as in the app.

## What works on the web

- AI chat with photo and file uploads.
- Flashcards, quizzes, mock exams and summaries.
- Study plans.
- Library and folders.
- Profile settings and subscription management.

Some features, such as the camera scanner, lectures recording and the timetable widget, are app-only.

## On a phone browser

The web app is designed for larger screens. On a phone you will be pointed to the app, which has the full feature set.

## Buying Pro on the web

You can buy Pro on the website. It activates on your account and works in the app as well. The Max plan is only sold in the app.

## Sign-in problems on the web

See *I cannot sign in to my account*. If Google sign-in shows an unknown error, try an incognito window or a different browser.

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Source: https://knowunity.com/help/ai-and-study-tools/using-knowunity-on-a-computer
Last updated: 2026-10-09