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Screenshots

  • Foundation-Chat screenshot 1
  • Foundation-Chat screenshot 2
  • Foundation-Chat screenshot 3

About Foundation-Chat

FoundationChat: Intelligent Conversations, Completely Private Experience AI without compromising your privacy. FoundationChat runs entirely on your iPhone or iPad—no internet required, no data sent to servers. Uses Apple’s on-device Intelligence or Cactus open models. PRIVACY FIRST 100% on-device processing—no ChatGPT, OpenAI, or third-party AI Zero data collection—conversations never leave your device No account, login, or tracking FEATURES Natural conversation powered by on-device AI Context-aware responses Multiple conversation threads Clean SwiftUI interface Works offline with instant responses Unlimited chat sessions REQUIREMENTS iOS 26.0 or later Apple Intelligence: iPhone 15 Pro+, iPhone 16+, or iPad with M1+ (enable in Settings) Cactus: iPhone 13 Pro and other devices with 4GB+ RAM (download a model in-app) WHY FOUNDATIONCHAT? Unlike cloud-based chatbots, FoundationChat keeps everything local. Your questions and conversations stay on your device. Ideal for brainstorming, writing help, learning, and any task where privacy matters. Download FoundationChat for truly private AI conversations.

What’s new

Version 1.06 · Updated June 12, 2026

Local voice chat is here: - Record from the composer and have your message transcribed on device. - Download Moonshine Base for private local speech-to-text. - Audio transcripts are saved with messages and can be expanded in chat. - Replies can be spoken aloud after a voice prompt. - Improved Cactus model selection, context limits, and prompt-cache handling for more reliable first responses.

App privacy

The developer, Sagar Desai, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Foundation-Chat

Looking for apps like Foundation-Chat? Here are 6 similar apps on the App Store. The highest rated is Moment: Private Habit Journal (5.0/5), and all 6 are free to download.

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