Extremely fast and light
This app is extremely fast and light. It's so much faster than other llama apps.
Archived App (Last seen on 17 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
This app provides a powerful AI chatbot that runs entirely on your device, ensuring complete privacy with no data collection or internet required after initial download. It features a seamless interface with rich markdown rendering and supports offline use on compatible Apple devices.
✓Complete privacy with zero data collection
✓Powerful on-device AI model
✓Offline functionality, no internet needed
✓Seamless chatbot interface with markdown rendering
✓Metal-accelerated inference for mobile performance
✓Gemma 2 model included
Show original description
What's New in ArcanAI
v1.1.2
February 14, 2026
Here's what's new in v1.1.2: New Features - Voice Mode — Added voice interaction capability to the app Bug Fixes - Comprehensive memory optimizations to prevent device crashes: - Fixed a fatal crash in LibLlama.swift (force unwrap → safe guard) - Reduced context window (2048 → 1024), batch size (512 → 256), and max generation length (1024 → 512) - Added device-specific GPU layer limits based on available RAM - Implemented memory warning handlers to auto-clear KV cache - Reduced conversation history limit and added aggressive KV cache clearing for long conversations - Model import fix — Fixed "file does not exist" error during model import by correctly scoping security resource access
MoreUser reviews
Developer apps
FAQ
What is ArcanAI?
ArcanAI is a free, offline AI chatbot application for iPhone and iPad. It runs a powerful language model entirely on your device, ensuring complete privacy without any data collection or internet connection required after setup.
Does ArcanAI require an internet connection to use?
No, ArcanAI is designed for offline use. After you download your preferred model once, you can use the AI assistant anywhere, even without an internet connection, making it ideal for travel or remote areas.
What are the system requirements for ArcanAI?
ArcanAI requires iOS 18 or later and is best experienced on Apple Silicon devices like the A17 Pro or M2 chip and newer. It also needs approximately 2 GB of free storage for the model.
What AI model does ArcanAI use?
ArcanAI includes the Gemma 2 2B model, which is a lightweight and efficient option optimized for mobile performance. This model is run entirely on your device using Metal-accelerated inference.
Is ArcanAI suitable for younger users?
ArcanAI has an age rating of 17+, indicating it is intended for mature audiences. This is likely due to the nature of AI language models and their potential outputs.
How often is ArcanAI updated?
The latest version of ArcanAI is v1.1.2, and it was last updated on February 14, 2026. This suggests a relatively active development cycle for the application.
What makes ArcanAI different from other AI apps?
ArcanAI's primary differentiator is its commitment to complete privacy and offline functionality. It requires no sign-in, tracks no user data, and operates entirely on-device, unlike many cloud-dependent AI services.
Does ArcanAI have ads?
No, ArcanAI is completely free and does not contain any advertisements. The app is available for download without charge and offers an ad-free experience.