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Loci - Private, Local AI

Loci - Private, Local AI

Offline AI that just works

126 ratings
50 reviews
🔧 Utilities
📊 Productivity
Free

Details

Released
April 15, 2026
Updated
September 30, 2026

Features

Developer

Michael Waldman
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About

This AI assistant runs entirely on your device, offering powerful on-device capabilities like calculations, reminders, and calendar integration. It supports various open-source models and features voice conversation and image understanding, all while prioritizing user privacy and environmental impact.

✓On-device AI models
✓Calculator and unit conversions
✓iOS Reminders and Calendar integration
✓Voice conversation mode
✓Image understanding (OCR, classification)
✓Apple Shortcuts integration
✓Focus modes
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What's New in Loci

1.3.27

September 30, 2026

Bug fixes and improvements.

Events

Read more about Private AI Anywhere
Event EndedMajor Update

Private AI Anywhere

Run local AI, even offline.

May 29, 2026 — Jun 13, 2026

Read More

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User reviews

Most RecentHighest RatedLowest Rated

Everything you need

I use this for everything from workout planning to any daily task. Amazing when you are traveling as well. The clean user interface has made this my go to and daily staple
JCnyctechJCnyctech

Best local AI on IOS

This is by far the best local ai app on iOS. Other apps just crash after 3 prompts in the same chat. This is the first I found that actually summarizes the conversation while running making it actually capable of processing a decent context. The only thing that could use work is the web search. I haven’t gotten it to work yet but if that was working this could easily replace cloud ai on research projects where I’m looking for very specific information that might require a small amount of thinking.
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Human653Human653

Top of the line app keeps ai private

I’ve been using Loci for a while now and honestly, it’s changed how I think about AI. It’s a private AI everything runs right on my own. My conversations are actually mine, and I completely free.
Anabelle watAnabelle wat

Response from developer

Grateful for your feedback!

Simple, Intuitive, and Actually Useful

Loci is a great app—easy to use, intuitive, and genuinely helpful. I especially appreciate how clean and straightforward the experience is without feeling complicated or overwhelming. Everything is organized well, and it makes finding what I need quick and effortless. Definitely an app I’m happy to recommend!
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Masik101Masik101

Response from developer

Grateful for your feedback!

Great app - very responsive developer

For those, like me, who have visual trouble with white text on a black background, I asked the developer if there could be a fix. He replied quickly and, in two days, provided a white background with dark text option. Bravo,
dsmx2dsmx2

Response from developer

Grateful for your feedback!

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FAQ

What AI models can I use with Loci?

Loci allows you to chat with Apple's built-in Foundation Model or download over 10 curated open-source models, including DeepSeek R1, Llama 4, Gemma 3n, and Phi-4. All models run locally on your iPhone's Neural Engine.

Does Loci have ads?

No, Loci is completely ad-free. It is a free application with no advertisements, allowing for an uninterrupted user experience.

How does Loci integrate with other iOS features?

Loci integrates with iOS Reminders to create, edit, and complete tasks, and with Calendar to view and create events. It also works with Apple Shortcuts for automation.

Can Loci understand images?

Yes, Loci can attach photos and ask questions about them. It uses on-device vision for OCR, scene classification, and face detection to answer questions contextually.

Is Loci available on Android?

Loci is currently available for iPhone and iPad. It leverages Apple's Neural Engine for on-device processing.

How often is Loci updated?

The latest version of Loci is 1.2.8, which was last updated on June 25, 2026. Updates typically include new features, model support, and performance improvements.

What are the 'Focus Modes' in Loci?

Loci offers Focus Modes such as General, Coding, Writing, Study Buddy, and Brainstorm. These modes tailor the AI's assistance to your specific task for more specialized help.

What is the environmental benefit of using Loci?

Loci runs entirely on your device's existing hardware, consuming zero data center resources, water, or additional carbon footprint. This makes it an eco-friendly alternative to cloud-based AI services.