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Arbiter - Local AI Chat

Arbiter - Local AI Chat

Private, offline AI Assistant

16 ratings
10 reviews
📊 Productivity
Free
In-App Purchases

Details

  • Released
  • Updated
  • October 2, 2025
  • July 10, 2026

Features

Developer

Jordan Stone
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Arbiter - Local AI Chat screenshot #1 for iPhone
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Arbiter - Local AI Chat screenshot #7 for iPhone
🧾$1.99 - $19.99
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About

This privacy-focused AI assistant operates entirely on your device, offering offline functionality. Choose from various open-source models to suit your needs, with all conversations securely stored locally. It's ideal for brainstorming, proofreading, and exploring AI capabilities without data collection.

✓On-device AI processing
✓Offline model execution
✓Document summarization
✓Privacy-focused design
✓Multiple AI model selection
✓Local data storage
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What's New in Arbiter

0.2.04

July 10, 2026

New optional on-device memory helps Arbiter remember useful details. Better answers from attached PDFs and text files. Improved web search with clearer sources. Share chats with others and open shared chats in Arbiter. Copy, retry, read aloud, and share responses more easily.

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4

In-App Purchases

$1.99

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A small tip to support Arbiter

User reviews

Most RecentHighest RatedLowest Rated

Private, Sustainable, and Effective

Finally an AI chat app that gets the job done without ruining the environment or leaking my data!
Tejay0802Tejay0802

Great Private Chatbot

I love that it can be used completely offline and my data is secured!
Emoji user 13466322Emoji user 13466322

Great use of my time

I enjoy how it adapts with my os and truly in a day where our data can easily get leaked. This app has given me the freedom to know my personal information is safe.
Cosmo277Cosmo277

Best AI app

Easy to navigate and no internet required icing on the cake!
Trese719Trese719

SECURE FAST EASY TO USE AI

Easily the best and most efficient AI app I have used. Access to a variety of popular models all in one app, couldn’t ask for more!
Thatgamingdude1Thatgamingdude1
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FAQ

What is Arbiter?

Arbiter is a privacy-first AI assistant that runs entirely on your device, offering offline capabilities. It allows you to choose from various open-source models and keeps all your conversations securely stored locally.

Does Arbiter have ads?

No, Arbiter does not contain advertisements. It is a completely ad-free experience, focusing on user privacy and uninterrupted interaction.

What devices is Arbiter compatible with?

Arbiter is currently supported on iPhones. For optimal performance, it is recommended for iPhone 13 Pro or later, or devices with at least 6GB of RAM.

How often is Arbiter updated?

Arbiter was last updated on February 10, 2026, with version 0.1.96. This indicates a relatively recent update, suggesting ongoing development and maintenance.

Can I upload documents to Arbiter?

Yes, Arbiter allows you to upload documents from your device. You can then get summaries and key insights directly from these files.

What is the age rating for Arbiter?

Arbiter has an age rating of 4+, making it suitable for a wide range of users. This rating indicates minimal content concerns.

Are there any hidden costs with Arbiter?

No, Arbiter emphasizes 'No Hidden Costs.' It avoids expensive cloud fees by processing AI models locally on your device.

What makes Arbiter different from other AI assistants?

Arbiter's key differentiators are its complete on-device, offline operation and strong privacy focus, with no accounts, servers, or data collection. It also offers flexibility in choosing different AI models.