锐研云调查 vs EcoTrac

一站式问卷调查云平台，全面整合电话、APP、互联网、数据录入、混合等多种问卷采集方式，专利问卷设计引擎，科学调查研究方法，全程质控，打造全球高质量调查标杆。

NFC tag verification: The user enters the App’s NFC page, clicks the Brand button, there is a detecting window pop-up, then puts the top of the phone on the NFC label, if the Label is produced by Maxim or the brand collaborated with Maxim, it will return a certified notification and the user can view more details by clicking "view details". Otherwise, App will return fault reasons or an “Uncertified” notification, user can back to the homepage to re-scan. QR code or barcode scanner: The user enters the App’s home page, and clicks the scan button, App will start the camera function, after a user allows the app to use the camera, the scanner will start, put the QR code in the camera square, and the result will show after succeeding scan. Hidden code scanner: The user enters the "Hidden code" page and scans the label with the hidden code produced by Maxim, a clickable window will pop up at conner. Otherwise, it's not a hidden code label.