> ## Documentation Index > Fetch the complete documentation index at: https://docs.canvascope.org/llms.txt > Use this file to discover all available pages before exploring further. # System requirements > The browsers, devices, operating systems, and learning platforms each Scope app supports. This page lists what you need to run each Scope app. All of the apps are free. ## At a glance | App | Runs on | Account | | - | - | - | | [Scope extension for Chrome](/chrome/overview) | Google Chrome 116 or later on a computer | Optional. Sign in with Google for features like **Ask Scope** and **Send to Lectra** | | [Lectra](/lectra/overview) | iPad with iPadOS 18 or later, or iPhone with iOS 18 or later | Optional. Sign in with Google or Apple, or choose **Sign in later** | | [Lectra for Mac](/lectra/mac) | Mac with macOS 13 Ventura or later | Required. Sign in with Google | | [Lectra Receiver for Chrome](/lectra/receiver) | Google Chrome on a computer | Required. Sign in with Google | | [Polya](/polya/overview) | A current web browser on a computer, tablet, or phone | Required. Sign in with Google | ## Scope extension | Requirement | Details | | - | - | | Browser | Google Chrome version 116 or later. Chrome extensions don't run on phones or tablets. | | Learning platform | Canvas or Brightspace at your school. | | Other sites | On Gradescope and on Canvas assignment upload pages, Scope can attach a PDF from Lectra. At UC Berkeley, Scope also adds class details to Schedule Planner. | | Account | Not needed to search. To ask questions with **Ask Scope** or send PDFs to Lectra, sign in with a Google account. | | Languages | English and Spanish. | To check your Chrome version, open the Chrome menu and choose **Help** > **About Google Chrome**. ## Lectra | Requirement | Details | | - | - | | iPad | Any iPad that runs iPadOS 18 or later. | | iPhone | Any iPhone that runs iOS 18 or later. Lectra is designed around iPad and Apple Pencil, and it also runs on iPhone. | | Apple Pencil | Optional. Lectra works with any Apple Pencil that your iPad supports. On Apple Pencil Pro, you can squeeze to switch tools. | | Account | Optional. To keep a backup copy of your pages and receive PDFs from the Scope extension, sign in with Google or Apple. | | Storage | The app is about 60 MB. Lecture recordings use about 15 MB per hour of audio. | | Languages | English, French, German, Japanese, Simplified Chinese, and Spanish. | ### Apple Intelligence features Lectra's document summaries, questions about your documents, and other study tools run on your device using Apple Intelligence. To use them, you need all of the following: * iPadOS 26 or iOS 26 or later. * A device that supports Apple Intelligence: an iPad with an M1 chip or later, iPad mini (A17 Pro), or iPhone 15 Pro or later. For Apple's full list, see [How to get Apple Intelligence](https://support.apple.com/en-us/121115). * Apple Intelligence turned on in the Settings app on your device. On other devices, these features aren't available. The rest of Lectra works the same. To learn more, see [Use Apple Intelligence in Lectra](/lectra/apple-intelligence). ## Lectra for Mac | Requirement | Details | | - | - | | Mac | macOS 13 Ventura or later, on a Mac with Apple silicon or an Intel processor. | | Where to get it | A free download from [canvascope.org/mac](https://canvascope.org/mac). It isn't on the Mac App Store. | | Account | Sign in with the same Google account you use in Lectra on your iPad. | | Also needed | Lectra on your iPad. | The Mac app signs in with Google only. If you signed in to Lectra on your iPad with Apple, the Mac app can't reach that account. To learn more, see [Your Scope account](/get-started/account). The App Store listing for Lectra also shows Macs with Apple silicon and macOS 15 or later, where the iPad app can run. Apple marks it as not verified for macOS. Lectra for Mac, described in this section, is a separate free download that works alongside Lectra on your iPad. ## Lectra Receiver for Chrome | Requirement | Details | | - | - | | Browser | Google Chrome on a computer. | | Account | Sign in with Google, using the same account as Lectra on your iPad. | | Also needed | Lectra on your iPad. | ## Polya | Requirement | Details | | - | - | | Browser | A current web browser on a computer, tablet, or phone. There's nothing to install. | | Account | Sign in with a Google account. | | Course materials | A Canvas course or a course website. After a course is in Polya, you can also upload your own PDFs to it. | | To bring in a Canvas course | Either the Scope extension, signed in with the same Google account, or your school's Canvas web address and a Canvas access token that you create in Canvas. Some schools don't let students create access tokens. To learn more, see [Add a course](/polya/add-a-course). | | To use Polya in Claude or ChatGPT | An account with Claude or ChatGPT that can add a connector. See [Use Polya in Claude](/polya/claude) and [Use Polya in ChatGPT](/polya/chatgpt). | ## Supported learning platforms | Platform | Scope extension | Polya | | - | - | - | | Canvas | Yes | Yes | | Brightspace | Yes | No | | Gradescope | Attach a PDF from Lectra to an upload | No | Scope isn't affiliated with or endorsed by Instructure (Canvas) or D2L (Brightspace). This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.