Impulse Noise Decibel Meter vs LensTrace

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.

LensTrace is a local photo watermark and border creation tool for photographers, travelers, creators, and anyone who wants to share photos with clean EXIF information. Import your photos, read EXIF metadata, and create elegant photo frames with camera model, lens, aperture, shutter speed, ISO, focal length, date, and custom text. The app supports batch import and batch export, helping you create a consistent look for multiple photos with less effort. Key features: - EXIF camera watermarks Automatically read camera model, lens information, aperture, shutter speed, ISO, focal length, and date from your photos, then display them in a clean layout. - Photo borders and frames The app calculates a suitable border based on the original photo ratio and watermark content. You can also adjust corner radius, shadow, and background style. - Custom text watermark Add your own text for travel notes, captions, dates, project names, or personal signatures. - Fonts and style Choose from system fonts or import your own font files for watermark rendering. Adjust font size and text stroke to keep watermarks readable on different photos. - Batch workflow Import multiple photos, select the photos you want, and export them together. - Export options Export to common image formats with adjustable quality and size settings. - Local processing Photos, EXIF data, fonts, watermark rendering, and exported files are processed locally on your device by default and are not uploaded to the developer's server. Use it to: - Add camera settings to photography works - Create clean borders for travel photos - Share photos with EXIF information - Batch export photos for social platforms - Make simple and polished photo presentation images Trial and purchase: You can import, edit, and preview photos for free. Export features are available with a 7-day free trial. The trial does not automatically charge after it ends. To continue exporting after the trial, you can purchase a one-time lifetime unlock.