Left? Or Right? vs Image Compare.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Left? Or Right?
Easily combine two images into a single side-by-side view for quick comparison. This app helps you resolve the dilemma of choosing between two photos by presenting them as a clear 'Left' or 'Right' option.
- Combine two pictures into one
- Simplified left/right choice
- Easy comparison of images
- Resolves photo selection dilemmas
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Have you ever had the problem when sending two pictures to someone and ask which is better. You get the answer the first or the second, but then you yourself can't seem to remember which picture you send first... This is where "Left? Or Right?" comes to the rescue. The main function of this application is combining the two pictures into on big one. In the newly combined picture, the choice is now simplified into the "Left" one or the "Right" one?
Image Compare.
Easily compare two images using various modes like side-by-side, slider, opacity, or difference. Zoom in for detailed inspection and export comparison results.
- Concurrent side-by-side comparison
- Slider comparison
- Opacity comparison
- Difference comparison
- Zoom for detail
- Export difference images
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Compare two photos, instantly. From photo edits and DIY projects to plant growth records — see exactly what changed, in four powerful modes. # Four Comparison Modes ▼ Side by Side View both images at once. Perfect for progress photos. ▼ Slider Drag a slider across one image to reveal the other underneath. Smoothly check before/after photo edits. ▼ Opacity Overlay two images and adjust transparency. Great for spotting alignment shifts and subtle changes. ▼ Difference Subtract one image from the other to highlight only what's changed. Reveals details invisible to the naked eye. * You can save the difference image to your Photos. # Features ・Pinch to zoom in Slide, Opacity, and Difference modes for detailed inspection. ・Two processing options for Difference mode: - Express: Resizes to screen width before processing (fast). - Original: Processes at full resolution (high accuracy, takes longer. Both images must be the same size). ・Export the difference image to Photos or share it directly. # Privacy First ・Works completely offline. Your images never leave your device. ・Photo library access is only used when selecting images to compare.
Screenshots
Verdict
The clearest difference is rating: Left? Or Right? at 5.0 against Image Compare.'s 4.2. Left? Or Right? also leads on ads (none vs shown). Image Compare.'s advantage is in-app purchases (none vs 1) and ratings volume (38 vs 3). On price and device support 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. Left? Or Right? sells 1 one-off in-app purchase. Image Compare. asks for nothing beyond the download.
Left? Or Right? holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Image Compare. has 38 ratings behind it against 3, so its average is the more settled of the two.
Left? Or Right? ships an update every 10 months, Image Compare. every 5 months. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.
| Parameter | Left? Or Right? | Image Compare. |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 4.2 (38 ratings) |
| Positive reviews | — | 90.0% of reviews |
| Number of ratings | 3 | 38 — better |
| Update frequency | Every 10 months | Every 5 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Hor-Lin Khai | Reiji Kobayashi |
Customer experience
Left? Or Right?
Image Compare.
In-app purchases
Left? Or Right?
- Extra Backgrounds$1.99
Image Compare.
No in-app purchases
Questions
Is Left? Or Right? free?
Is Image Compare. free?
Which has better reviews, Left? Or Right? or Image Compare.?
Do Left? Or Right? or Image Compare. have ads?
Which is updated more often, Left? Or Right? or Image Compare.?
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