TwinViewer is a dual-screen photo viewer application.

You can view two different albums simultaneously, compare two photos side by side, pick a better shot, or leave one and delete another.
This is more than just a viewer. You can also create side-by-side combined images, get the detailed EXIF data, etc.


----- HOW TO USE -----

- Swipe left/right to browse next/previous photo.
- Pinch open/close with two fingers to zoom in/out.
- Double tap either one to display in full-screen mode.
- Sync/Async button to switch the sync mode between two viewers.
- Swap button to switch two viewers.
- Grid button to show/hide grid liens.
- Data button to show/hide data such as image size or shooting date.
- Export button to created and share side-by-side images.


----- WHAT'S FULL VERSION? -----

If you upgrade to the full version by in-app purchase, the following restrictions will be unlocked.

・Create and save side-by-side combined images.
・Display image metadata.