KeepNotes for Nextcloud is a modern Android client for Nextcloud Notes featuring a Google Keep-inspired user interface (staggered card grid, Material 3 dynamic theming, interactive checklists, categories, offline-first bidirectional sync). Features: • Google Keep-inspired UI: Staggered grid card layout with Material 3 dynamic theming (Light & Dark modes). • Seamless Authentication: Nextcloud Login Flow v2 support (one-click browser login without manual app passwords). • Robust Offline-First Architecture: Local Room database acts as the single source of truth. Instant local operations without waiting for network responses. • Bidirectional Synchronization: Fast server synchronization using etag and timestamps, with visual progress indication. • Rich Markdown & Interactive Checklists: Clickable checkboxes with strikethrough, smart Enter key auto-completion, and quick text-to-checklist conversion. • Biometric App Lock: Secure your notes with fingerprint, face recognition, or device PIN / pattern. • Customizable Font Sizes: Independent font size presets for cards and editor (Small, Medium, Large, Extra Large). • In-App Language Selection: Easily switch between English and Russian directly inside the app. • Organization & Navigation: Navigation Drawer with categories and note counts, Category Picker, Starred / Favorites filter, and fast search. • 100% Free & Open Source: No proprietary tracking, no analytics, no ads, no Google Play Services dependencies. Disclaimer: KeepNotes is an independent application and is not affiliated with, sponsored, or endorsed by Nextcloud GmbH. Nextcloud is a registered trademark of Nextcloud GmbH.