OnDevice LLM - Offline AI Chat
Pay once. Truly private AI.
About
This app provides a private AI chat experience that runs entirely on your device, no internet required. It offers a catalog of open-source AI models and features like document analysis, daily briefings, and mini-apps within chats. Enjoy true privacy with no accounts or tracking.
What's New in OnDevice LLM
1.42
August 18, 2026
New model: Qwen 3.5 2B. A generation newer than Qwen 3 at 1.28 GB, so it fits most iPhones. Apache 2.0 licensed and, like everything here, it runs entirely on your device. Also: models that reason before answering now show a quiet "thinking" indicator while they work, instead of their raw notes.
MoreSubscription plans
Pro Monthly
Unlimited models, chats & custom system prompts
In-App Purchases
$19.99
Lifetime Pro
Unlock all Pro features. Pay once, own forever.
Developer apps
FAQ
What is OnDevice LLM?
OnDevice LLM is a mobile application that allows you to run powerful AI models entirely on your iPhone or iPad. It operates 100% offline, meaning no internet connection or account is required for its core functionality.
Does OnDevice LLM have ads?
No, OnDevice LLM does not contain advertisements. The app is designed for a private and uninterrupted user experience, with no tracking SDKs or analytics reporting your prompts.
What AI models can I use with OnDevice LLM?
The app features a curated catalog of top open-source models, including Gemma, Llama 3.2, Qwen 2.5, Phi-4 Mini, SmolLM2, DeepSeek R1, and Ternary Bonsai models for Apple Silicon.
How does OnDevice LLM handle privacy?
Privacy is central to OnDevice LLM. All conversations, memories, and downloaded models are stored exclusively within your device's app sandbox. Your data never leaves your phone, ensuring no logging or mining by any company.
What are the Pro features for OnDevice LLM?
The Pro upgrade offers unlimited model loading and saved chats, along with custom system prompts and the ability to add custom HuggingFace model URLs. This is available as a one-time lifetime purchase.
Can I use OnDevice LLM with documents or images?
Yes, you can attach PDFs, images, or text documents directly to your chats. The AI will read and process these local files to provide relevant responses.
What is the 'Brief my day' feature?
The 'Brief my day' feature combines your device's Calendar and Reminders with the app's private memory to generate a personalized morning briefing, all processed securely on your device.
What devices does OnDevice LLM support?
OnDevice LLM is available for both iPhone and iPad devices, running on Apple Silicon for optimized performance.
