TwinViewer

TwinViewer is a dual-screen photo viewer application.
It's a powerful tool to organize your photos.
You can compare two photos side by side, pick a better shot, leave one and delete another.
This can also serve as an EXIF viewer.


----- 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 images.
- Data button to show data such as image size or shooting date.

If you upgrade to the full version, you can
- delete photos from the album,
- save photos to another album,
- display detailed EXIF data,
- export or share conbimed photos (Camera Roll, email, SNS),
- select photos to browse with no limit.

----- NOTE -----

* Supported only for iOS 8.1 or later.
* The Privacy Settings for Photos need to be active. Open Settings app > Privacy > Photos > Turn TwinViewer ON.