Stack Photos – Capture the same place over time and create timelapses

Show HN: Stack Photos – Capture the same place over time and create timelapses

Stack Photos – Capture the same place over time and create timelapses operates in show hn launch.

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I built an iOS app for taking photos of the same location from the same angle over extended periods.The technical approach: - First shot captures GPS + compass bearing + device tilt as the reference - Frame Lock uses CoreLocation + CMMotionManager to guide return visits - Ghost Overlay composites the previous shot for manual alignment - Backend uses SuperPoint + SuperGlue for ML-powered sub-pixel alignment - Async job system for alignment and timelapse generationOffline-first architecture with SwiftData. Photos capture locally, sync when online.Public stacks are collaborative—anyone can contribute shots to document a place together.Landing page: https://stack.photos TestFlight: https://testf

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The company is listed at the Show HN launch stage of development.

Website: stack.photos