Calculator Smart vs Ping

Calculator Smart is the most powerful and precise calculator for iPhone, iPad, and Apple Watch — built for everyday math and advanced scientific computations alike. Whether you need a quick percentage or a complex nested equation with parentheses, Calculator Smart handles it all with a clean, modern interface and lightning-fast big buttons. Scientific & Standard Modes • 30+ scientific operations including trigonometry, logarithms, and more • Degrees and Radians support • Parentheses and nested parentheses for complex equations • Output in Decimal or Scientific Notation (mantissa/exponent) Intuitive Input • Slide to delete wrong digits instantly • Double-tap or long-press to Copy & Paste results • Full External Keyboard support (Bluetooth & Smart Keyboard) • Three-digit grouping with locale-specific decimal and thousands separators Cross-Platform & Widgets • Apple Watch app with Complication shortcuts • Lock Screen Widget — calculate without unlocking your device • Messages Extension — share results directly in conversations • Multitasking: Slide Over and Split View (iPad) Personalization • Colorful skins to match your style • Custom App Icons that match your chosen skin • Button sound feedback for a satisfying tactile feel Universal Purchase — buy once, use on all your Apple devices. Download Calculator Smart for FREE today!

Forget everything you knew about QR codes. Just let 'em know. A notification at your fingertips. Ping-Click turns an ordinary QR code into a live communication channel. Scan — tap — the person instantly gets a notification on their phone. Three reactions — three stories: Ping — call when you're needed. A sticker on your windshield. Your car is blocking someone — they scan the code and you get a notification instantly. No phone number on a piece of paper, no notes under the wiper. You show up, move the car, drive on. Like — appreciation without personal data. A barista made the perfect coffee. A courier delivered your order safely. A teacher gave an amazing lesson. One scan — and they know their work was noticed and valued. Pure recognition. Thanks — gratitude has never been this easy. On a gift — "Thank you, I loved it!" with a single tap. At a hair salon or barbershop — great job! Instant, warm, no extra words. And that's just the start: On the fridge — your kid pings "I'm home" after school. Between friends — a sticker on a laptop: like if you miss me. At a café table — a guest pings, the waiter comes. On a business card — a client scans and says thanks for the help. Ping-Click — when a QR code becomes more than a link. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ping-click.com/privacy