度量衡 vs QR Code Generator & Reader +

支持长度、质量、体积、温度、面积、速度、时间七大类别，涵盖米/英尺、千克/磅、摄氏度/华氏度等常用单位组合。输入数值即可实时换算，可调节小数精度、选择常用步进并一键复制结果。常用结果列表和历史记录自动保存，上次的类别、单位和精度会本地记忆。浅色界面清晰易读，适合工程计算、出行换算、厨房配方和学习场景，离线也能使用。

Our app is an all-in-one QR code solution designed for both personal and professional use. Easily create QR codes for text, links, Wi-Fi networks, contacts, email addresses, locations, and more. Customize your codes with different colors, styles, logos, and icons to match your needs. A built-in scanner allows you to scan QR codes directly from your camera or imported images, while all created and scanned codes are automatically saved in a convenient history. You can export QR codes in PNG, JPG, or PDF formats, making them ideal for printing, marketing materials, or digital sharing. Share your QR codes instantly through messaging apps, email, or social media. Free features include: • Up to 3 QR code scans • Creation of 2 QR codes • 1 custom template • Access to 5 basic templates • Square modules and eyes • Low and medium error correction levels Upgrade to Premium to unlock: • Unlimited scans and QR code generation • Unlimited custom templates • Access to 35+ professional templates • Full color customization for QR codes, backgrounds, and eyes • Advanced module and eye styles • Custom logos, frames, and captions • PDF export for print-ready documents This application contains auto-renewable subscriptions and In-App Purchases. Subscription plans: • Weekly – USD 4.99 • Monthly – USD 12.99 • Yearly – USD 39.99 • One-Time Purchase – USD 59.99 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://docs.google.com/document/d/1CI5_kSV92RQogPVvBqAnAR2bFSEAxgULotMzNr1SAL4/edit?usp=sharing