PDF Master vs Audio Editor

PDF Master: Your All-in-One PDF Expert for Seamless Document Management! Struggling with complex PDF tasks? PDF Document Assistant is a professional-grade utility designed for iPhone and iPad users. It combines editing, converting, scanning, reading, and signing into one powerful app, helping you handle any PDF challenge with ease. Whether for work, study, or daily life, say goodbye to complicated workflows and enjoy a faster, smarter experience! Key Features: 【Professional PDF Editor】 Modify PDF content effortlessly. Use a full suite of annotation tools including text, images, highlights, underlines, and shapes. Quickly add handwritten or electronic signatures to sign contracts on the go. Manage pages by deleting, adding, or reordering them to perfect your document structure. 【Powerful PDF Converter】 Our high-performance engine supports precise conversion between PDF and Word, Excel, PPT, Images, and TXT. You can also turn any document or photo into a PDF with a single tap. We ensure your layouts remain intact and professional without any formatting errors. 【HD Mobile Scanner】 Turn your phone into a professional scanner! Capture contracts, receipts, books, or IDs and instantly generate high-definition PDFs. Features include automatic edge detection, image optimization, and OCR text recognition to extract text from images easily. 【Image to PDF Maker】 Quickly merge multiple photos into a single PDF document. Perfect for saving and sharing collections of photos, screenshots, or scanned pages with customizable layouts. 【Smooth Reader & File Manager】 Enjoy a fluid reading experience with support for importing files from WeChat, QQ, and local storage. Features include zoom, rotation, and Dark Mode for comfortable viewing. Stay organized with an intelligent file management system using tags and folders. Why Choose PDF Master? All-in-One Efficiency: Everything you need for PDFs in one place—no more switching between multiple apps. Intuitive Design: A clean, user-friendly interface that anyone can master in seconds. Precision & Stability: High-quality conversion and scanning technology that preserves every detail. Secure & Private: We prioritize your document privacy, ensuring your data stays safe. Download PDF Master today and transform the way you work with documents! Subscription Information: Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours prior to the end of the current period. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Privacy & Terms: Privacy Policy: http://www.palmmob.cn/yinsi/pdfiosyinsi.html Terms of Use: http://www.palmmob.cn/yinsi/pdfyonghu.html

Audio editing is a simple and easy-to-use app with a concise and convenient operating page. Realize various functions such as audio editing, audio splicing, format conversion, voice separation, noise reduction, etc. Support you to play various functions and save the audio you want.

  Functional features:
  [Audio Editing] Crop audio segments arbitrarily, adjust audio speed, volume, fade in and fade out, etc. 
 [Format Conversion] Supports multiple audio format conversions, mp3、aac、m4a、flac、caf、wav。 [Vocal Separation] Support separating vocals and accompaniment from audio, with clear sound quality. [Noise Reduction] Intelligent removal of noise in audio and restoration of the clearest human voice. [Text to audio conversion] Output your text, select your favorite tone, and you can synthesize the corresponding audio. 
 [Ringtone production] Support making your favorite audio as a ringtone for your phone. 
 [Multiple import and export methods] Multi channel import of audio, supporting the extraction of sound from imported videos. Support applications to share with other apps. 
 [Magic Sound Effects] Give magical sound effects to audio. More functions are waiting for you to ask for. We will continue to maintain updates.



  Automatic Renewal Service Statement: 1. Payment: After the user confirms the purchase and makes the payment, it will be credited to their iTunes account; 2. Cancel Renewal: To cancel the renewal, please manually turn off the automatic renewal function in iTunes/Apple ID settings management 24 hours before the current subscription period expires. Once cancelled, no further charges will be made; 3. Renewal: The Apple iTunes account will be charged within 24 hours before expiration, and after successful charging, the subscription period will be extended by one subscription period. Privacy Policy: https://docs.google.com/document/d/1LFBjIEY6U7hi6UGKYvCrqcsp0vl2u_z_CGJ-Jxi9u9w/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/18JB53pcMUhICWTmXt3pFQwqxz0yA9EVvBsuSnk3S5-c/edit?usp=sharing