There are a lot of mobile ai in the market

1. RefME - Free, Android, iOS, and Web

This clever app uses the camera on your phone to scan a book's barcode and generate a citation in the MLA, Chicago, or other format required by your institution.

StudyBlue is available for Android and iOS and is free.

Users are given the option to upload class materials for study, make electronic flashcards for studying and sharing, and take practise tests.

Evernote 3. Free on Android, iOS, and the Web.

a device that makes it possible to record notes or memos in any format (web clip of a product or service review for reference, photo of a business receipt, audio file, or text meeting or handwritten notes).

Oxford Cropped 4 - Free App for Android and iOS

The Oxford English Dictionary for mobile devices from Oxford University Press.

Dragon Dictation is a free app for iOS.

Online course help

Simply begin speaking into Dragon Dictation, and it will translate everything for you into a digital format that you can paste into other applications, send as an email, or save for later.