FrameTwin: Dual Format Camera

FrameTwin is a local-first iPhone camera for creators who need vertical and horizontal video from one take. FrameTwin focuses on the reliable core loop: - Capture once and create 16:9 landscape plus 9:16 portrait outputs - Preflight checks for camera format, storage, battery, thermal risk, Photos save, and recovery - Runtime risk monitoring with Safe Stop guidance - Segment manifest writing so closed local outputs can be recovered after interruptions - Result Health for duration, frame rate, sync drift, dropped frames, Photos save, and local fallback - Recovery Inbox for retrying unsaved local files - Settings for resolution, frame rate, file format, stabilization, device support, and Photos save preference FrameTwin keeps recordings local first. Files stay on the device unless you choose to save, export, or share them through iOS.