TwinViewer Pro

TwinViewer Pro is an advanced dual-screen photo viewer application.
It is very useful for you to compare two photos side by side, pick a better shot, leave one and delete another.

KEY FEATURES:

- Dropbox data access: load photos your Dropbox folders as well as your photo albums.
- Face recognition: detect faces and compare them at the same position.
- Grid lines: helps you align two photos or adjust the images on the exact position.
- Combined image output: add a frame and text as you like.

BUTTONS:

- Album button: Select photo from photo albums.
- Dropbox button: Select photo from Dropbox.
- Submenu button: Delete/save images, display Exif data, etc...

- Sync/Async button: switch the sync mode between two viewers.
- Swap button: switch two images.
- Grid button: show/hide grid lines.
- Face button: face extraction
- Output button: output two images together

GESTURES:

- Swipe left/right to browse next/previous photo.
- Pinch open/close with two fingers to zoom in/out.
- Swipe up with two fingers to delete photos (optional)
- Single tap to show/hide tool bars.
- Double tap to display the photo in full-screen mode.


* The Privacy Settings for Photos need to be active.
Open Settings app > Privacy > Photos > TwinViewer Pro > Select "Read and Write".
* Universal App for both iPhone/iPod touch and iPad.
* iOS 11.0 or later required.