claim to be, Signal users can compare key fingerprints (or scan QR codes) out-of-band. The platform employs a trust-on-first-use mechanism to notify the user

as the official app store for certified devices running on the Android operating system and its derivatives, as well as ChromeOS, allowing users to browse

2015, WhatsApp launched a web client that allowed users to scan a QR code with their mobile app, mirroring their chats to their browser. The web client

capabilities as making quick notes, signing PDFs, scanning QR codes, and transferring files. Office Web Apps was first revealed in October 2008 at PDC 2008

put up a QR code on UC Browser for users to scan, which adds the webpage to their bookmarks. This platform was among the first in China. The browser supports

branded QR codes that, when scanned, take the user to a specific bot. Facebook's data policy outlines its policies for collecting, storing, and sharing

Verge. Archived from the original on 5 May 2017. Retrieved 6 May 2017. Constine, Josh (5 May 2017). "Scan these new QR-style Spotify Codes to instantly play

able to access the App on 19 May. The app is available on Apple's App Store and Google Play. NZ COVID Tracer allows users to scan their own QR codes at

user to match a song with its name, and Bing Vision allows the user to scan barcodes, QR codes, and other types of tags. Every Windows Phone has either

announced that the messaging feature would be removed from the main Facebook app and users will be required to download the separate Messenger app. An iPad-optimized