ZetaNotes
AI Notes that run offline.
Only for Mac
Free
Mac
ZetaNotes is now completely free. Every feature is unlocked for everyone, with no subscription. Offline AI notes that never leave your Mac.
ZetaNotes runs AI models entirely on your Mac. No cloud connection required. Your notes and AI processing never leave your device.
ZetaNotes is now completely free. Every feature that used to require a Pro subscription is unlocked for everyone, with no in-app purchases. This is the final release: the app is no longer actively maintained, and the source code is published under the MIT license at zetanotes.com.
CORE CAPABILITIES
• AI Autocomplete - Predictive text completion as you type using on-device language models
• Text Summarization - Generate concise summaries from longer note content
• Language Translation - Translate to 12+ languages including English, Spanish, French, German, Chinese, Japanese, Korean, Arabic, Italian, Portuguese, Russian, and Dutch
• Grammar Correction - Fix spelling and grammatical errors in selected text
• Text Reformulation - Rewrite sentences with alternative phrasing
• Semantic Search - Find notes by meaning using local vector embeddings, not just keyword matching
• Auto Title Generation - Automatically generate descriptive titles from note content
AI CHAT ASSISTANT
Conversational AI interface for open-ended queries. Ask questions, brainstorm ideas, or get writing assistance. Full conversation history persisted locally.
CUSTOM TOOLS
Create application-specific AI tools with custom prompts. Configure individual temperature, token limits, and stop sequences per tool. Edit the prompts of all built-in tools. Build workflows tailored to your specific use cases.
TECHNICAL SPECIFICATIONS
• 8 Open-Source AI Models Available - Llama 3.2 (1B/3B), Phi-3.5 Mini, Gemma 2 2B, Qwen 2.5 (1.5B/3B), SmolLM2 1.7B, Phi-2 2.7B, TinyLlama 1.1B
• Metal GPU Acceleration - Hardware-accelerated inference on Apple Silicon
• Model Format - GGUF quantized models optimized for M-series chips
• Model Size Range - 700MB to 2.3GB per model (downloaded on demand)
• Inference Engine - llama.cpp with Apple Metal backend
• Vector Search - Local embedding generation with cosine similarity ranking
PRIVACY & SECURITY
• Zero Network Connectivity - All AI processing runs locally on device
• No Telemetry - No analytics, crash reporting, or usage tracking
• No Cloud Sync - Notes stored exclusively in local SQLite database
• No Account Required - No registration, login, or personal information collected
SYSTEM ARCHITECTURE
• Native SwiftUI Interface - Optimized for macOS with standard system controls
• Core Data Persistence - Note storage with SQLite backend and automatic indexing
• Memory Management - Optimized context caching reduces RAM usage by 90%
• Batch Processing - Efficient token generation for summarization tasks
• Async Inference - Non-blocking AI operations preserve UI responsiveness
STORAGE LOCATIONS
• Notes Database: ~/Library/Application Support/ZetaNotes/notes.sqlite
• AI Models: ~/Library/Application Support/ZetaNotes/Models/
• Settings: ~/Library/Preferences/com.zetanotes.ZetaNotes.plist
ALL FEATURES INCLUDED
• AI Chat Assistant with conversation history
• All 8 AI models (download any combination)
• Custom AI tool creation and full prompt editing
• Parameter tuning (temperature, tokens, stop sequences)
• Unlimited notes and storage
REQUIREMENTS
• macOS 13.0 (Ventura) or later
• Apple Silicon (M1/M2/M3/M4) recommended, Intel supported
• 4 GB RAM minimum (8 GB+ recommended for 3B models)
• 2 GB disk space (includes app + at least one AI model)
TECHNOLOGY
Built with llama.cpp inference engine and open-source language models from Meta (Llama), Microsoft (Phi), Google (Gemma), Alibaba (Qwen), and Hugging Face (TinyLlama, SmolLM2).
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
ZetaNotes is now completely free: all Pro features are unlocked for everyone.
In-app purchases and subscriptions have been removed.
This is the final release. ZetaNotes is no longer actively maintained; the source code is published on GitHub under the MIT license, and a notarized direct download is available from GitHub Releases.
The developer, Rabah Abdul Khalek, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Rabah Abdul Khalek
- Size
- 3.8 MB
- Category
- Productivity
- Compatibility
Requires macOS 13.0 or later.
- Mac
Requires macOS 13.0 or later.
- Mac
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Abdul Khalek
