OnDevice: Local AI Studio
Language & Visual & Voice
About
This app provides a local AI workbench for your iPhone, running open-source language and vision models entirely on-device. Features include live camera captioning, hands-free voice conversation, and code assistance with various models. It prioritizes privacy with no servers, API keys, or telemetry.
What's New in OnDevice
3.3
October 12, 2026
Improved Share extension hand-offs, faster startup, clearer model download and privacy information, and more accessible legal and parental-control screens. This update also improves local data reset and model dependency reliability.
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FAQ
What is On Device : Local AI Studio?
On Device : Local AI Studio is an AI workbench for iPhone that runs open-source language and vision models entirely on your device. It offers features like live camera captioning, voice conversation, and code assistance without needing servers or API keys.
Does On Device : Local AI Studio have ads?
No, On Device : Local AI Studio is ad-free. The app is designed with privacy in mind, and it does not contain any advertisements.
What models can I use with On Device : Local AI Studio?
You can choose from models like Qwen 2.5 Coder, Llama 3.2, Phi-3.5, Gemma 2, and Qwen3, among dozens of others available on HuggingFace. The app automatically selects a model that fits your device's RAM.
How does On Device : Local AI Studio ensure privacy?
All models run on the device, meaning your prompts never leave your phone. It features a network-activity indicator for outbound requests (only for model downloads), at-rest encryption for conversations, and a one-tap option to wipe all on-device data.
What are the system requirements for On Device : Local AI Studio?
The app requires iOS 18.0 or later and is recommended for iPhone 12 or newer. A Wi-Fi connection is recommended for the initial model download, which can be around 1.5 GB minimum.
Can I use On Device : Local AI Studio with my Mac?
Yes, the 'Mac Bridge' feature allows you to pair your Mac and use your iPhone as an MLX inference server, enabling you to leverage the on-device AI capabilities from your computer.
How does On Device : Local AI Studio handle device performance?
The app is optimized for your device, with first-launch auto-selection of models based on your iPhone's tier. It also includes thermal awareness to manage response length and cancels in-flight Metal work when the app backgrounds to prevent iOS from terminating it.
What is the update frequency for On Device : Local AI Studio?
The latest version is 2.9, and the app was last updated on 2026-07-01. This indicates a relatively active development cycle for the application.
