PDF Expert vs AdvancedSignalGenerator

PDF Expert is a fast and easy PDF app to read, annotate, fill and sign PDF forms, convert files to PDF, and merge, split or compress documents – all in one intuitive app for iPhone, iPad, Mac & Vision Pro. Read PDF files with comfort, highlight and mark up text, fill out forms, sign contracts, create and convert PDFs, and summarize long documents in seconds with AI-powered tools. Unlock unlimited possibilities with PDF Expert Premium and work across all your Apple devices. "PDF Expert is one of my must-have iPad apps and a desktop-class PDF reader." – MacStories "The best app for managing, editing, and reading PDFs on your iPad." – The Sweet Setup ▶ WITH PDF EXPERT, YOU CAN: READ PDFs - PDF reader with Day, Night, and Sepia modes for comfortable reading anytime - Scroll PDFs vertically or horizontally and search text in any document - Open and view PDF files from email, web, Files, or any app via the Share menu - Read PDFs out loud with Text to Speech ANNOTATE AND MARK UP PDFs - Highlight, underline, and strike through text in your PDFs - Mark up documents with pen, shapes, text, notes, and comments - Add stamps such as Approved or Confidential - Record your voice and add audio notes to PDFs FILL AND SIGN PDF FORMS - Fill out PDF forms with text fields, checkboxes, and radio buttons - Sign PDF documents in seconds – draw your signature or add it from an image - Save your signature to sign contracts, agreements, invoices, and applications faster - Fill, sign, and send forms right from your iPhone – no printing or scanning needed - Supports all major form formats, including AcroForms and static XFA forms ***PREMIUM FEATURES*** EDIT PDFs - Edit text directly in a PDF – just as you would in a Word document - Add, replace, and resize images in your PDFs - Add links to other pages or websites - Add outlines to navigate large PDFs CREATE AND CONVERT PDFs - Create PDFs from Word files, images, and other documents - Convert Word to PDF, JPG to PDF, and PNG to PDF in seconds - Convert PDF to Word, Excel, PowerPoint, JPG, PNG, and TXT MERGE, SPLIT AND ORGANIZE PDFs - Merge and combine multiple PDF files into one - Split PDFs and extract pages into a new file - Add, delete, rotate, and reorder pages with thumbnail preview COMPRESS PDFs - Compress PDFs to reduce file size for email and sharing - Shrink large PDF files to save space on your device SUMMARIZE PDFs WITH AI – PDF COPILOT - List Main Points – get key takeaways from any PDF - Summarize – get concise summaries of entire PDFs or annotations - Ask Anything – find details with AI answers and references - Explain – get instant explanations of words or phrases PROTECT YOUR FILES - Password-protect PDF Expert - Redact – permanently black out sensitive information WORK WITH SCANNED DOCUMENTS - Open scanned PDFs to fill out, sign, annotate, and share CONSTRUCTION TOOLS - Scale and measure drawings with the Measure tab - Polygon, polyline, and redline tools MORE FEATURES - Customizable toolbar - Presentation Mode - Print and share PDFs via email or cloud ONE ACCOUNT FOR ALL YOUR APPLE DEVICES One Premium subscription covers PDF Expert on iPhone, iPad, and Mac – no need to buy versions separately. Read more about our terms and conditions here: https://pdfexpert.com/privacy https://pdfexpert.com/terms Don’t hesitate to reach out to us at http://readdle.com/contact

Key Features: Multiple Signal Generation Create and play multiple audio tones simultaneously. Each generator has independent frequency (0-12000 Hz) and amplitude (0-100%) controls for professional audio testing and experimentation. Advanced Profile Playlists Build custom sound sequences with profiles. Add multiple signals with specific durations, insert delays between sounds, and enable loop playback for continuous patterns. Perfect for audio testing, meditation tones, or sound therapy. Precise Control - Frequency range: 0 to 12,000 Hz with decimal precision - Amplitude control: 0.0% to 100.0% in 0.1% increments - Quick adjustment buttons with long-press for continuous control - Direct keyboard input for exact values Professional Settings - Background playback support (keeps running when screen is locked) - Audio focus management (disable other app sounds) - Customizable default durations for signals and delays - System sound equalizer control Intuitive Interface - Swipe-to-delete for easy management - Drag-and-drop reordering in profiles - Real-time playback notifications - Clean, modern Material Design UI Perfect For: - Audio engineers and technicians - Music producers and sound designers - Hearing tests and frequency analysis - Meditation and relaxation apps - Educational purposes and experiments - Testing audio equipment and speakers Why Choose Advanced Signal Generator? - Generate multiple tones simultaneously - Create complex audio sequences with profiles - Precise frequency and amplitude control - Background playback support - No ads, clean interface - Professional-grade audio quality Download Advanced Signal Generator today and unlock the power of precise audio tone generation!