Atomic Chat: Private Local AI

About this app

Atomic Chat is a private AI assistant that runs entirely on your iPhone or iPad. No accounts, no sign-ups, no cloud servers. Every conversation stays on your device. WHY ATOMIC CHAT - 100% on-device AI — models run locally using your device's Neural Engine - Complete privacy — your chats never leave your iPhone - Works offline — no internet required after initial model download - No account needed — open the app and start chatting - Free to use — no subscriptions, no hidden fees WHAT YOU CAN DO - Ask questions and get instant answers - Brainstorm ideas and get creative suggestions - Draft emails, messages, and documents - Summarize text and extract key points - Translate between languages - Get help with writing, coding, and learning - Have natural, flowing conversations on any topic CHOOSE YOUR MODEL Pick from a curated selection of open-source language models optimized for mobile. Download once, use forever. Swap models anytime based on your needs — smaller models for speed, larger models for depth. BUILT FOR PRIVACY Atomic Chat processes everything locally on your device. Your prompts, your conversations, and your data never touch a server. There is no telemetry, no analytics tracking your conversations, and no third-party AI providers. OPTIMIZED FOR APPLE SILICON Atomic Chat is built to take full advantage of modern iPhone and iPad hardware, delivering fast response times and efficient battery usage through Apple's Neural Engine. PERFECT FOR - Privacy-conscious users who don't want their conversations in the cloud - Travelers and commuters who need AI without internet - Professionals handling sensitive information - Anyone curious about running AI on their own device Atomic Chat puts the power of modern AI in your pocket — without the compromises of cloud services. Download, pick a model, and start chatting. Your data is yours.

Added LFM2.5-2.6B — a small agentic model that runs fully on-device. it plans, calls tools and works through multi-step tasks, nothing leaves your phone. - 128K context - Hybrid architecture, built for on-device speed - Light on battery, good for long sessions Plus various bug fixes and performance improvements

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Aug 1, 2026 · 1:31 PM Free