Speed Converter vs Doc Vault

This app is a simple tool for converting various speed units easily. Supported units include km/h (kilometers per hour), m/s (meters per second), mph (miles per hour), knots, ft/s (feet per second), cm/s (centimeters per second), and Mach. Using it is incredibly easy. Just enter a value and select the unit, and all other unit conversions will be displayed instantly. No complicated settings or operations required. Main features: - Supported units: km/h, m/s, mph, knots, ft/s, cm/s, Mach - Simple and intuitive design - Instant conversion to all supported units - Additional information on unit meanings and conversion rates - Works offline, no internet connection required This app is useful for students, engineers, pilots in training, and anyone who needs speed conversions. Whether you are comparing train speeds, understanding overseas road speed limits, or handling scientific calculations, this app is a practical tool. Designed for ease of use, this lightweight and fast app ensures quick and reliable speed conversions whenever you need them.

Doc Vault keeps your documents, photos, videos and music together on your iPhone or iPad, and nowhere else. No account, no cloud, no tracking. LOCKED TO YOU • App Lock with Face ID, Touch ID or your passcode • A Hidden folder for private files: it opens with Face ID, Touch ID or your passcode, stays out of Files and search, and locks again when you leave • Your screen stays hidden in the app switcher whenever App Lock is on • Deleted something by mistake? Recently Deleted keeps it for 30 days TOOLS FOR EVERY DAY • Sign PDFs: draw your signature once, then add it, your initials, the date or a tick • Merge PDFs, organize their pages, and turn PDFs into images or images into a PDF • Mark up and redact photos and PDFs • Scan documents and QR codes, and copy the text from photos and scans • Remove backgrounds, resize images and take out photo location before sharing • Voice Recorder, Convert Media, Compress Video, Extract Audio and Batch Rename • Wi-Fi Transfer: move files to and from your computer in its browser, with no cable and no app FROM ANY APP • Doc Vault's tools in the share sheet: Sign PDF, Remove Background, Copy Text and more, on the file you're sharing • Siri, Shortcuts and quick actions on the Home Screen OPENS EVERYTHING • PDFs, with search inside the document • Photos, videos and music, plus Word, Excel and PowerPoint previews • More than 30 text and code formats • A player with a queue, shuffle, repeat, Lock Screen controls and Picture in Picture FINDS ANYTHING Search by name or by the words inside your files. Doc Vault reads the text in PDFs, scans, notes and photos right on your device, so nothing is uploaded. ORGANIZED YOUR WAY • Folders inside folders, in any color (down to the hex code) and with their own icon • Pin files and folders to Home, and drag files onto a folder to move them • Grid or list, with sorting and filters • Move, copy, duplicate, zip and share many files at once • Share into Doc Vault from any app, or save out to Files • Free up space: find large files and duplicates EDIT WITHOUT LEAVING • Crop, straighten, rotate and flip photos • Trim videos and audio • Edit text and Markdown IN YOUR LANGUAGE • Arabic and English, with full right-to-left support • Light and dark mode, with three color themes • iPhone and iPad, upright or sideways PRIVATE BY DESIGN Doc Vault has no servers, no accounts, no ads and no analytics. Everything happens on your device.