Nucleo LLM by Marte AI vs HelixNotes

Nucleo LLM by Marte AI— your private AI assistant that runs entirely on your iPhone. No internet required. No cloud. No data collection. Everything stays on your device. - Ask questions, get answers — instantly, privately - Create reminders and calendar events with natural language - Manage to-do lists - Scan documents and receipts with your camera - Import and analyze PDFs, spreadsheets, and text files - Voice input and text-to-speech - Encrypted conversations protected by Face ID Nucleo LLM is built for people who value privacy. Your conversations, documents, and personal data never leave your phone. No account required. No subscriptions. Buy once, use forever. Requires iPhone 15 Pro or later (8 GB RAM minimum).

HelixNotes is a private, open-source Markdown notes app. Your notes remain standard Markdown files under your control. No account is required, and HelixNotes has no company-operated cloud. Write with a clean visual editor or switch to source mode when you want direct access to the Markdown. Organize your work with notebooks, tags, wiki links and full-text search. Features include: • Tasks collected from checklists across your notes • List and calendar views with priorities and due dates • Wiki links and an interactive graph view • Daily notes with a built-in calendar • Markdown tables, code blocks and syntax highlighting • KaTeX mathematical notation and Mermaid diagrams • Outline navigation and tag autocomplete • Version history and automatic backups • Light, dark and customizable themes • Optional WebDAV sync with your own server • Optional AI tools using your own provider Nothing leaves your device unless you enable a feature that connects to an external service. Your notes stay readable outside HelixNotes, without a proprietary format or platform lock-in. HelixNotes is free software released under the GNU AGPLv3. Its source code is publicly available on GitLab.