Capture Places
Through Time
Create stunning timelapses by photographing the same location, from the exact same angle, over days, months, or years.
Your Stacks
Stack Detail
Export
Why Stack Photos?
Frame Lock
GPS, compass, and gyroscope guide you back to the exact position. See alignment guides in real-time.
Ghost Overlay
See your previous shot as a semi-transparent overlay. Perfect alignment, every time.
AI Alignment
Our ML pipeline automatically aligns your shots with sub-pixel precision using SuperPoint + SuperGlue.
Timelapse Export
Generate smooth MP4 or GIF timelapses from your aligned photos with one tap.
Cloud Sync
Your stacks sync across devices. Capture offline, sync when you're back online.
Privacy First
Your photos are yours. Keep stacks private or share them with the community.
Crowd-Sourced
Public stacks are collaborative. Anyone can contribute shots to document places together over time.
How It Works
Create a Stack
Find an interesting location and take your first photo. This becomes your reference frame.
Return & Capture
Come back days, weeks, or months later. Use Frame Lock and Ghost Overlay to match your original position.
AI Alignment
Our cloud service automatically aligns your shots with machine learning for pixel-perfect results.
Create Timelapse
Export your stack as a smooth timelapse video or GIF. Share your perspective of change over time.
Document the World Together
Public stacks are open for everyone to contribute
Local Landmarks
Capture how your neighborhood changes through seasons, construction, and growth
Construction Progress
Document building projects from ground-breaking to completion with the community
Seasonal Changes
Watch nature transform through spring blooms, summer greens, fall colors, and winter snow
Historical Record
Create a visual time capsule of places that matter, preserved for future generations
Community Stacks
Explore and contribute to public stacks from around the world