Private AI, right on your iPhone.
Voltaire runs powerful open models directly on your device. No cloud, no account, nothing ever leaves your phone.
- Works offline
- Zero data collected
- Built on Apple MLX


Run the best open models from
Everything you need. Nothing you don't.
A complete AI assistant, designed for Apple hardware and built around one rule: your data stays yours.
100% private. By design.
Your prompts and conversations never leave your device. No cloud processing, no data collection, no tracking. Not even an account.
Text conversations
Fast, fluid chat with capable language models, fully on-device.
Vision
Download a vision model and ask about photos and screenshots, right on your phone.
File support
Drop files into a conversation for summaries and analysis.
Model library
Llama, Gemma, Qwen, MiniCPM and more. Pick the right model for every task.
Voice inputComing soon
Speak your prompts instead of typing. Hands-free and natural.

All your models, in your hand.
Browse, download and switch between models in a tap. From reasoning to creative writing, pick the right one for the job, all running locally.
MLXLlamaMeta
MLXGemmaGoogle
MLXSmolLMHugging Face
MLXMiniCPMOpenBMB
MLXQwenAlibaba

Built for the chip in your pocket.
Voltaire is built on MLX, Apple's machine learning framework, to take full advantage of the unified memory in Apple Silicon. Models load fast, answer fast, and use less power.
On Mac, Voltaire is for Apple Silicon (M-series) only. Intel Macs are not supported.
Will it run on mine?
iPhone 13 and later at launch, with iPad and Mac to follow.
iPhone
Launch platformVoltaire launches on iPhone 13 and later.
Supported
Not supported
What AI models does Voltaire support?
Voltaire supports Meta Llama 3.2 & 3.1, Google Gemma 2, 3 & 3n, Qwen 2 VL, 2.5 & 3, MiniCPM 5, and more. All models run entirely on your device.
Does it work without internet?
Yes. Once you download a model, it runs entirely on your device. An internet connection is only needed to download models.
Is my data private?
Absolutely. Your prompts and conversations never leave your device. There is no cloud processing, no data collection, and no tracking.
What devices are supported?
Voltaire will launch on iPhone 13 and later. iPad and Mac support is planned to follow after launch.
How do I get started?
Voltaire is coming soon to the App Store. When it is released, download it, pick one or more models to download, and start chatting. No account is needed.
Can I customize the AI?
Yes, you can set a custom system prompt to tailor the AI's personality and responses to your preferences.
Your AI. Your device.
Voltaire is coming soon to the App Store for iPhone. iPad and Mac will follow.
Say hello.
Questions, feedback, or a model you'd like to see? Send a message.
kilianbalaguer67@icloud.com