LocalVoice

An iOS app for local AI chat and text-to-speech using Apple Intelligence and llama.cpp.

Requirements

• Xcode 26.0+
• iOS 26.0+
• macOS 14.0+ (for building)
• CMake 3.28+ (brew install cmake)

Setup

1. Clone with submodules

git clone --recursive https://github.com/LeoBlackCat/LocalVoice.git
cd LocalVoice

Or if already cloned:

git submodule update --init --recursive

2. Build llama.cpp XCFramework

cd llama.cpp
./build-xcframework.sh
cd ..

This takes 10-20 minutes and creates llama.cpp/build-apple/llama.xcframework.

3. Open in Xcode

open LocalVoice.xcodeproj

Select your development team and build.

Features

• AI Chat - Powered by Apple Intelligence (iOS 26+) or local llama.cpp models
• Text-to-Speech - Apple TTS with enhanced voice selection
• Document RAG - Chat with your documents (iOS 26+)

Architecture

• LocalAI/ - Main app source code
• llama.cpp/ - Local LLM inference engine (submodule)
• espeak-ng.xcframework/ - Phonemizer for text processing