TwinViewer
Masako Sakanashi
TwinViewer is a dual-screen photo viewer application.
In-app purchases in United States
Items currently visible on Apple’s public App Store page. This may not be the complete App Store Connect catalog.
Source: Apple public App Store page · Publicly visible items only · Checked Aug 4, 2026
About TwinViewerStorefront description supplied by Apple.
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 Lines button to show/hide grid liens.
- EXIF Data button to show/hide data such as image size or shooting date.
- Snapshot button to created and share side-by-side images.
* Please note that this application can be downloaded for free, but in-app purchase is required to use all functions.
Frequently asked questions
Quick answers based on the latest observed App Store data.
How much does TwinViewer cost in United States?
The latest observed download price is Free. Open the official App Store link to confirm the current checkout price.
Does TwinViewer have in-app purchases?
Apple's public page currently shows 1 purchase items in this storefront. The public list may be incomplete.