Scanner vs Impulse Noise Decibel Meter

QR Code or Bar Code can be found almost anywhere in a business and you need to input information when customers get it. This app is very useful for you. You can take a photo or scan QR Code and Barcode with a real camera and the application can directly show you the information of it. Main features: * Scan QR code, * Save to camera roll * Quick share * Save the content in device gallery as an image file, and share with other people * Copy scanned text to clipboard * Save scanned prompts to check them later * Look up scans in the internet * Generate your QR Codes and Barcodes on your own Supported code types: QRCode, Codabar, Code 39, Code 128, EAN-8, UPC-A, UPC-E, EAN 13, Data Matrix and more! QR code scanner for iPhone. QR Code Scanner with QR Code reader and Barcode Scanner. Get QR Code and Barcode's information. QR Code is used to make a lot of information easily searchable. It makes the information readable and accessible for your mobile phone. This application allows you to store the information you are looking for. You can use it like a business card, catalogue, label, or anything else.

Firearm Noise Testing | Sound Level Meter helps you monitor sound levels (dB) in real time. It’s designed for very loud environments such as workshops, concerts, and outdoor ranges, so you can make better hearing-safety decisions. The app uses your phone’s microphone to estimate sound pressure level and shows current, minimum, average, and maximum readings with clear visual feedback. Key features • Real-time decibel meter (dB) • Min / Avg / Max tracking • A-weighting (dBA) for everyday noise (closest to human hearing) • C-weighting (dBC) for very loud environments and peak levels • Linear mode for raw/technical readings (no filtering) • Sensitivity calibration (+/−) to compensate for device microphone differences • Clean, readable interface for quick checks Important notes • This app is not a certified or laboratory-grade sound level meter. Readings vary by device model, microphone hardware, phone case, distance, and environment. • For general information and personal awareness only. Not intended for legal, regulatory, medical, or workplace compliance measurements. • Very loud sounds can damage hearing quickly. Always use appropriate hearing protection in loud environments. Privacy • Microphone input is used only to calculate sound level. • We do not sell personal data.