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By Masako Sakanashi

This app is only available on the App Store for iOS devices.


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 9.0 or later.
* The Privacy Settings for Photos need to be active. Open Settings app > Privacy > Photos > Turn TwinViewer ON.

What's New in Version 8.2

- Fixed an issue where images could not be posted on Twitter and Facebook on iOS 11.


iPhone Screenshot 1
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iPad Screenshot 1
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This app is designed for both iPhone and iPad
  • Free
  • Category: Photo & Video
  • Updated:
  • Version: 8.2
  • Size: 23.5 MB
  • Languages: English, French, Japanese
  • Seller:

Compatibility: Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.

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Top In-App Purchases

  1. Full Version$1.99