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
Voltaire's home screen on iPhone
on-device · 0 bytes sentHere's a three-line summary of your notes. Nothing left this iPhone.

Run the best open models from

LlamaGemmaSmolLMMiniCPMQwenGraniteLFM
Features

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.

Managing models in Voltaire
Models

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.

  • Llama
    Meta
    MLX
  • Gemma
    Google
    MLX
  • SmolLM
    Hugging Face
    MLX
  • MiniCPM
    OpenBMB
    MLX
  • Qwen
    Alibaba
    MLX
See all models, including Voltaire 1
Apple A19 Pro chip
Apple Silicon · MLX

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.

Learn more about MLX
100%On-device
0Data collected
0Accounts required
7Model families
Requirements

Will it run on mine?

iPhone 13 and later at launch, with iPad and Mac to follow.

iPhone

Launch platform

Voltaire launches on iPhone 13 and later.

Supported

iPhone 13 miniiPhone 13iPhone 13 ProiPhone 13 Pro MaxiPhone 14iPhone 14 PlusiPhone 14 ProiPhone 14 Pro MaxiPhone 15iPhone 15 PlusiPhone 15 ProiPhone 15 Pro MaxiPhone 16iPhone 16 PlusiPhone 16eiPhone 16 ProiPhone 16 Pro MaxiPhone 17iPhone 17 AiriPhone 17eiPhone 17 ProiPhone 17 Pro Max

Not supported

iPhone X or earlieriPhone XSiPhone XS MaxiPhone XRiPhone 11iPhone 11 ProiPhone 11 Pro MaxiPhone 12 miniiPhone 12iPhone 12 ProiPhone 12 Pro MaxiPhone SE (1st gen)iPhone SE (2nd gen)iPhone SE (3rd gen)
OSiOS 26+ · iPadOS 26+ · macOS 26+
Storage700 MB minimum
InternetOnly to download models
FAQ

Questions, answered.

Something else? Ask us directly.

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.

Coming soon

Your AI. Your device.

Voltaire is coming soon to the App Store for iPhone. iPad and Mac will follow.

Coming soon on the App Store
Contact

Say hello.

Questions, feedback, or a model you'd like to see? Send a message.

kilianbalaguer67@icloud.com