Live Spectrogram vs Archiver for iPad

Visualize audio with this handy tool. It displays the frequencies of sound around you over time. The horizontal axis is time, the vertical is frequency, and the intensity of frequencies is shown using pretty shades of red. Use it to: Perfect your singing voice Analyze the call of animals Identify and locate annoying sounds around your house Learn about the world of frequency analysis I hope you enjoy this handy little tool!

Archiver for iPad — utility for working with archives on iPad • Main Features: - Support Slide Over and Split View - Support Drag and Drop - Support Siri Shortcuts - Support Multiple Windows - Dark Mode - Haptic Touch - Context Menus - Built-in search - Copy files with iTunes using "File Sharing" - Import files from Mail, Safari and other apps - Connecting to SMB server using Document Picker - Support Bluetooth mouse and trackpad • Archives: - Support RAR and ZIP archives - Support password-protected archives - Extracting data from multi-volume RAR archives - Compression method: default, none, fastest, best • Working with files: - Sort items by name, date or type - Creating folders - Scanning documents - Creating ZIP archives - Saving multiple images and videos to "Photo Library" - Export and import multiple files from "Files" app - Sending multiple files using "Mail" or "Messages" - Support "Open In" feature for opening files in other apps - Renaming items - Moving and copying items - Deleting items - Selecting multiple items by swiping down with two fingers • Photo Library and Photo Viewer: - Import multiple images and videos at once - Selecting multiple images and videos by swiping down with two fingers - Download images and videos from iCloud - Take Photo or Record Video from built-in Camera - Supported image formats: JPEG, JPEG 2000, TIFF, GIF, PNG, ICNS, BMP, ICO, SVG, HEIF • Video Player: - Playing audio in the background - Support Control Center - Supported video formats: MOV, M4V, MP4 - Support Picture in Picture - Support AirPlay • Media Library and Audio Player: - Import multiple audio files at once - Full-featured audio player with AirPlay support - Support Control Center - Supported audio formats: MP3, MPEG-4 audio, WAV, AIFF-C audio • PDF Viewer: - Thumbnails - Table of Contents - Bookmarks - Search - Support password-protected PDF documents - Gesture support • Documents: - View files with Quick Look - Markup toolbar for adding annotations to images and PDF documents - Supported file formats: PDF, DOC, DOCX, NUMBERS, XLS, XLSX, KEY, PPT, PPTX • Text Viewer: - Plain Text Recognition. Supported language — English - Editing and saving text documents - Support AirPrint - Text formatting: alignment, font, font size - Supported file formats: TXT, RTF • Settings: - Syncing files using Wi-Fi - "In-App Purchases" section to unlock additional features - Protect data with passcode, Touch ID or Face ID - Developer feedback • Important Notes: - Drag and Drop allows moving files and folders in an app, as well as moving files from one app to another. You can import following file formats using Drag and Drop: ZIP, JPEG, JPEG 2000, TIFF, GIF, PNG, ICNS, BMP, ICO, SVG, HEIF, MOV, M4V, MP4, MP3, MPEG-4 audio, WAV, AIFF-C audio, PDF, DOC, DOCX, NUMBERS, XLS, XLSX, KEY, PPT, PPTX - Multiple Windows allows viewing files with Quick Look in an auxiliary window - Corrupted archives are not supported - Application allows export following image and video formats: JPEG, JPEG 2000, TIFF, GIF, PNG, ICNS, BMP, ICO, HEIF, MOV, M4V, MP4 - Recommended attachments size for sending using "Mail" — up to 20 MB - DRM-protected content is not supported