Tree Notes

Tree Notes is a privacy-friendly, offline note app that lets you organize ideas as a tree. Features: • Unlimited parent/child notes (outline) • Clean tree view with indent, colored levels, branch lines, and icons/emoji • Create, edit, delete; move a note to another branch • Collapse/expand branches • Pin important notes to the top • Tags/categories for quick grouping • Due date to keep track of deadlines • Attach images and files; image preview, open/share attachments • Detail screen shows content, children, and attachments • Light/Dark/System themes • Multi-language (EN, ZH, FR, ID, JA, KO, RU, ES, TH, VI) • Fully offline; data stored locally (SQLite) • Optional PIN lock for extra privacy No account required. Fast and simple.