How to Generate AI Images Locally on Your iPhone in 2026 (No Cloud, No Subscription)

You don't need Midjourney. You don't need a $20/month subscription. You don't need to upload your prompts to anyone's server. Your iPhone can run Stable Diffusion entirely on device using the Neural Engine that Apple designed specifically for this kind of workload. Off Grid is a free, open-source app that runs AI image generation on your iPhone's hardware through Apple's Core ML pipeline. 8 to 15 seconds per image on iPhone 15 Pro. Your prompts and your images never leave your phone. App Store | GitHub What You Need Minimum: iPhone 12 (A14 Bionic), iOS 17+. Palettized models (about 1GB) will run. Expect 20 to 35 seconds per image. Recommended: iPhone 15 Pro or newer (A17 Pro). 8GB of RAM and a more powerful Neural Engine make a real difference. 8 to 15 seconds per image. Storage: Palettized models are about 1GB. Full precision models are about 4GB. Start with palettized. How It Works on iPhone Off Grid uses Apple's ml-stable-diffusion pipeline to run image generation through Core ML, t