Air Detector vs QR Master

1. This APP is used to connect and display the data transmitted by the hardware through Bluetooth connection, which mainly includes PM2.5, PM10, temperature, humidity and other air quality data. 2. APP can communicate with the server and upload the air quality data transmitted by the hardware. After login successfully, historical data can be obtained from the server.

ABOUT THE APP QR Master is a powerful all-in-one QR code toolkit that lets you create, scan, and manage QR codes completely offline. Whether you need to share information quickly, connect to WiFi, or save contact details, this app provides everything in one place with a fast, clean, and minimal experience. CREATE SMART QR CODES IN SECONDS Generate QR codes for all your needs: • URLs • Phone numbers • Emails • SMS messages • WiFi connections • vCard contacts Customize your QR codes with colors, styles, and layouts to match your personal or brand style. POWERFUL QR SCANNER Scan QR codes instantly and reliably: • Auto-detect QR content • Open links directly • Connect to WiFi instantly • Save contacts automatically • Store everything in offline history HISTORY & FAVORITES Never lose your generated or scanned data: • Full scan & create history • Add favorites for quick access • Reuse QR codes in one tap • Bulk delete support CUSTOMIZATION & PREMIUM FEATURES Make your QR codes stand out: • Custom colors & styles • Gradient QR (Premium) • Add logo to QR (Premium) • Export as PNG / SVG / PDF • Batch QR generation (Premium) SMART & OFFLINE FIRST Built for speed, privacy, and reliability: • 100% offline functionality • Clipboard auto-detect • Fast performance • Minimal and focused UI No internet required for core features. WHY QR MASTER? • All-in-one QR creation & scanning tool • Fast, simple, and fully offline • No unnecessary complexity • Your data stays on your device • Built for daily productivity WHO IS IT FOR? • Professionals & developers • Small business owners • Students • Travelers • Anyone who uses QR codes daily Start creating smarter. Download QR Master and take full control of your QR codes — anytime, anywhere, even offline. Terms of Use (EULA): https://www.urhoba.com/pages/terms-of-use-for-qr-master Privacy Policy: https://www.urhoba.com/pages/privacy-policy-for-qr-master