Compare photos side by side with linked zoom. Save the comparison as a PNG.
See two photos side by side and take a closer look.
ならべて比較 helps you compare details, focus, colors and edits on one screen.
COMPARE AT YOUR OWN PACE
• Select two photos and display them side by side.
• Link zoom and movement to explore both photos together.
• Turn linking off to adjust each photo separately.
• Swap sides or return to the full view.
• Use a larger screen to give both photos more room.
SAVE YOUR COMPARISON
Save the currently visible areas as one side-by-side PNG. Add optional titles for each photo and choose whether to include them in the saved image. Leave both titles blank for an image-only export. No app watermark is added.
Exports are PNG files up to 1,804 × 1,866 pixels. Actual dimensions depend on the viewing area and appear before saving. File size appears after the PNG is created. Exports use the current comparison view, not the original photo resolution. Export size and compression are not adjustable.
On Android 10 or later, save to Pictures/PhotoCompare on your device, or choose another destination. Android 8 and 9 use the system file-saving screen.
FREE COMPARISON, OPTIONAL REWARDS
Viewing, zooming and positioning are free. Your first save is free without watching an ad. Each earned reward adds 60 minutes without banner or automatic full-screen ads, up to 6 hours remaining, plus one save credit.
Open “Turn auto ads off” on the right edge to review the reward and choose to watch. When you have no saves left, the save button offers the same reward. Closing an ad before the reward is earned grants neither benefit.
Save credits accumulate separately from your first free save and do not expire. Only a successful save consumes one; cancellations and failures keep it. Unused credits remain after restarting the app.
Each reward adds 60 ad-free minutes, up to 6 hours remaining. At the limit, you still earn one save; excess time is not banked. The timer continues while the app is closed. Changing the device clock may end the ad-free period. When no saves remain, another save requires a rewarded ad even during the ad-free period. If you have saves left, you can use them without another ad after the ad-free period ends.
Loading ads needs an internet connection. If an ad is unavailable, you cannot earn a new reward, but unused saves remain available. Outside the ad-free period, the app displays banner ads and may show an interstitial ad before you choose your next pair of photos. There are no in-app purchases.
Free-save usage, earned credits and the ad-free deadline are stored in this app on this device. There is no account-based transfer between devices. Clearing app data or reinstalling resets these records. Exported comparison images remain.
YOUR PHOTOS
No account is required. Select photos using the system picker. The app processes photos and titles on your device and does not upload them to the developer. Original photos are not changed. Google's advertising SDK communicates with its services. Cloud photo sources, selected cloud save destinations and photo backup services operate under their own settings and policies.
SUPPORTED FILES AND LIMITS
• JPEG, PNG and WebP
• Up to 20 MiB (20 × 1,024 × 1,024 bytes) and 40 million pixels per input photo
• Convert HEIC or RAW files to a supported format before selecting them
• Zoom is relative to each photo's full view, not actual pixel size
• Photos are not automatically aligned
• Select your photos again if the app is closed
• Check that you have the necessary rights before using or sharing saved images
Available in Japanese and English.
What's new
Compare two photos side by side with linked zoom and movement.
Save the visible comparison as a PNG with optional titles and no app watermark. The first save is free.
Each earned reward adds 60 minutes without banner or automatic full-screen ads, up to 6 hours remaining. You still earn one save at the limit. Unused saves accumulate for later use.
Available in Japanese and English.