Tsunagi

Tsunagi is a simple tool that lets you place two images side by side and merge them into one.
Great for:

Before & after comparisons
Compositing AI-generated images
Side-by-side photos for social media
Product & interior comparison shots

Features:

Select two images and merge them horizontally
Easily crop, inner-crop, reposition, scale, and flip using sliders
Save & share with a single tap
All processing happens on-device (no images are sent to a server)

Plans:

Free: Full access to all features (with ads)
One-time purchase: Remove all ads permanently

Simple. Fast. Clean.