[Core Features] 1. All-in-One Rich Text Editor: Supports various content formats including images, videos, audio, files, tables, and formulas. Offers real-time Markdown source preview and export functionality. 2. Bi-Directional Links & Knowledge Graph: Form bi-directional links by linking or inserting notes, and intuitively visualize knowledge relationship graphs. 3. Data Privacy & Offline Usability: Data is stored locally, ensuring full functionality even offline. You retain complete control over your private information. 4. Multi-Device, Cross-Platform LAN Auto-Sync: Devices on the same local network automatically discover each other and synchronize data. 5. Flexible Multi-Level Tagging System: Create multi-level tags, freely sort and move them, and personalize tags with emojis. 6. Version History & Rollback: Complete note editing history is saved, supporting one-click rollback to any previous version. 7. Precise Full-Text Search: Quickly locate note content, supporting multi-dimensional searches by keywords, tags, etc. 8. Integrated To-Do & Notes: Seamlessly combines to-do items with notes, supporting four-quadrant task management and priority settings. 9. Multi-Platform Web Clipping: Easily collect external information from web pages and articles, saving them to your notes with one click. [Auto-Renewing Subscription Details] You can subscribe to SnapNote Premium via in-app purchases. • Auto-Renewing Subscriptions: 1 Month, 1 Year • One-Time Purchase: Lifetime Membership • Payment for your subscription will be charged to your iTunes Account upon purchase confirmation. Subscriptions will automatically renew (for the selected period) unless auto-renewal is turned off at least 24 hours before the end of the current period. • During an active subscription period, the current subscription cannot be cancelled; however, you can manage your subscription and/or turn off auto-renewal by accessing your iTunes Account settings after purchase. • Privacy Policy: https://www.xingtext.com/zh/snapnote/privacy/ • Terms of Service: https://www.xingtext.com/zh/snapnote/terms/ • End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/