TwinViewer vs Photo Compare
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TwinViewer
View and compare two photo albums side-by-side. This app allows you to pick the best shots, delete unwanted ones, create combined images, and access detailed EXIF data. It offers intuitive gestures for navigation and zooming.
- Dual-screen photo viewing
- Side-by-side photo comparison
- Create combined images
- View EXIF data
- Zoom and swipe navigation
- Sync/Async viewer modes
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TwinViewer is a simple photo viewer that shows two albums side by side. View two albums at the same time, stacked or side by side, and compare photos to pick the best shot. It's also handy for tidying up your library: delete the photos you don't need or sort them into other albums. You can also create a single image with two photos side by side and check EXIF details. HOW TO USE • Swipe left or right: next or previous photo • Pinch: zoom in or out • Double-tap: full-screen view • Sync button: control the two viewers together (sync) or separately (async) • Swap button: swap the photos in the two viewers • Grid button: show or hide grid lines • EXIF button: show or hide details such as image size and date taken • Snapshot button: create and share an image of two photos side by side All features are free to use, with no restrictions.
Photo Compare
Easily compare multiple images side-by-side without any visual distractions. Adjust the number of photos you're viewing with simple tap controls. Perfect for detailed visual analysis.
- Side-by-side photo comparison
- Flipping between images
- No transition effects
- Adjustable number of photos
- Simple tap controls
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Compare photos by flipping between them quickly with no transitions. Increase and decrease the number of photos to compare with a tap of the plus and minus buttons.
Screenshots
Verdict
The clearest difference is in-app purchases: Photo Compare at none against TwinViewer's 4. Photo Compare also leads on iOS requirement (8.0 vs 26.0). TwinViewer's advantage is ratings volume (24 vs 7). On price, rating, review sentiment and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. TwinViewer sells 4 one-off in-app purchases. Photo Compare asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.0 for TwinViewer against 4.1 for Photo Compare. Both are backed by a comparable volume of ratings — 24 and 7 respectively. Written reviews are what separate them: 63% of TwinViewer's written reviews are positive against 67% of Photo Compare's.
| Parameter | TwinViewer | Photo Compare |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (24 ratings) | 4.1 (7 ratings) — better |
| Positive reviews | 63.4% of reviews | 66.7% of reviews — better |
| Number of ratings | 24 — better | 7 |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Masako Sakanashi | Anson Liu |
Customer experience
TwinViewer
Photo Compare
In-app purchases
TwinViewer
- Full VersionFree
- Buy Me a Coffee$3.00
- Buy Me Lunch$5.00
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- Big Thank-You$10.00
Photo Compare
No in-app purchases
Questions
Is TwinViewer free?
Is Photo Compare free?
Which has better reviews, TwinViewer or Photo Compare?
Do TwinViewer or Photo Compare have ads?
Other comparisons
