Yeah, LLM's haven't solved much of anything else, but hey, here you go

IntelliKey is an AI-powered keyboard app for iPhone and iPad that uses ChatGPT or other AI providers to offer intelligent autocorrect, writing suggestions, and text refinement features across multiple apps. The app allows users to improve grammar, tone, and creativity in their writing through templates and iterative editing commands while maintaining privacy through P2P connections. User reviews praise it as a significant improvement over standard autocorrect and comparable tools, highlighting its effectiveness for professional, creative, and casual writing tasks.