QR4all vs Eye blink detection

Need a QR code that looks great and works perfectly? QR4all lets you create, scan, and manage QR codes on iPhone, iPad, and Apple Watch – with more design options than any other QR app. ▸ ALL QR CODE TYPES Create codes for URLs, WiFi, text, phone numbers, SMS, vCards, email, calendar events, GPS locations, EPC bank transfers. ▸ 50+ DESIGN OPTIONS • 17 pixel shapes, 19 eye shapes, 17 pupil shapes • Custom colors for foreground, background, eyes & pupils • Linear & radial gradients with 6 directions • Add your own logo – or let the app auto-load favicons for URLs • 35+ watermark motifs (sports, nature, business & more) • Contrast warning to ensure your codes stay scannable • Save your favorite design as default template ▸ PRO-QUALITY EXPORT • PNG in 4 sizes: 256, 512, 1024, or 2048 pixels • SVG vector graphics – perfect for print • PDF export (single or batch all codes at once) • Share via iOS Share Sheet to any app ▸ BUILT-IN SCANNER Scan QR codes with live camera preview. Every scan is saved to your scan history with timestamps. Turn any scanned code into your own – edit colors, shapes, and content instantly. Besides QR codes, the scanner now also reads barcodes (EAN, UPC, Code 128 and more) – free. With Pro you can scan codes straight from photos and screenshots. ▸ STAY ORGANIZED • Favorites pinned to the top (swipe to add) • Labels & categories (5 built-in + create your own) • Filter bar with label chips • Search by title, content, or type • Sort: manual, newest, oldest, or by type • Drag & drop to reorder ▸ APPLE WATCH Your QR codes sync automatically to Apple Watch – all codes or favorites only. Watch displays codes natively, no image transfer needed. Perfect for showing codes at checkout, events, or on the go. With very large collections not everything fits on the watch – simply switch to favourites-only sync in that case. ▸ WIDGET & SHARING Put your favourite codes on the Home Screen as a widget – your Wi-Fi or business card is ready to show instantly. Share a link from Safari or any other app straight to QR4all and the matching code is created automatically. On iOS 17 or later you can choose exactly which code each widget shows. ▸ 22 LANGUAGES Switch languages right inside the app – independent of your system language. —————————————————————— FREE TO USE Create up to 5 QR codes with URL, WiFi, text, phone & SMS – completely free. QR4ALL PRO – ONE-TIME PURCHASE, NO SUBSCRIPTION A single purchase unlocks everything forever: • Unlimited QR codes • All QR code types • Logos, gradients & watermarks • SVG & PDF export • Export up to 2048×2048 • Scan history with timestamps • Scan from photos & screenshots • Home Screen widget • Share from other apps • Backup: export & import No subscription. No hidden fees. Pay once, use forever. —————————————————————— Download QR4all now and create your first custom QR code in seconds.

This app detects blinking and displays the blink status and number of times on the screen.