PDF Tools vs 组幻王

PDF Assistant is a powerful all-in-one PDF processing tool that provides professional PDF handling solutions. 【KEY FEATURES】 • PDF Merge: Quickly combine multiple PDFs into one • PDF Split: Divide PDF documents into separate files • PDF Insert: Add new pages to existing PDFs • PDF to Image: Convert PDF pages to high-quality images • Image to PDF: Batch convert images to PDF format • PDF Page Delete: Easily remove specific pages • PDF Watermark: Add custom text or image watermarks 【WHY CHOOSE US】 • User-Friendly: Clean interface with intuitive controls • Comprehensive: All essential PDF tools in one app • Fast Processing: Advanced algorithms for quick results • Local Processing: All operations performed locally for security • No Registration: Start using immediately after download 【PERFECT FOR】 • Work & Study: Organize learning materials and work documents • File Management: Arrange and organize PDF files • Document Editing: Adjust PDF page order • Content Extraction: Extract images from PDFs • Format Conversion: Create PDFs from multiple images 【Subscription Terms】 ■ Subscription Plans • Lifetime (one-time purchase) ■ Member Benefits • Access to all premium features • Unlimited use of all functions • Priority access to new features ■ Subscription Rules • Payment will be charged to 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 • Any unused portion of a free trial period will be forfeited when purchasing a subscription ■ How to Cancel 1. Open device Settings 2. Tap your Apple ID at the top 3. Tap "Subscriptions" 4. Find "PDF Assistant" and manage subscription ■ Legal • Terms of Service: http://simp.ly/p/5FYqZX • Privacy Policy: http://simp.ly/p/OYXLkD Let PDF Assistant be your PDF expert, making document handling effortless and efficient!

一款专为需要生成数字序列的用户设计的工具应用。 核心功能 【序列生成】 等差数列 - 自定义首项和公差 等比数列 - 自定义首项和公比 斐波那契数列 - 经典数学序列 质数序列 - 2, 3, 5, 7, 11... 奇数序列 - 从任意数开始的奇数 偶数序列 - 从任意数开始的偶数 【随机数生成】 整数/小数模式自由切换 自定义数值范围 支持/禁止重复 升序/降序排列 【指定和生成】 设置目标和数值个数 自动分配确保精确求和