Comparison

Image Compare+ vs Before After Slider

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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. Optimized for quick visual analysis.

Highlights
  • Four comparison modes (Concurrent, Slide, Opacity, Difference)
  • Image zooming for detail inspection
  • Export comparison images
  • Option to resize images to screen width
  • Supports original image scale processing
Read full description

Compare two photos, instantly. Image Compare+ is an iOS app that puts two images side by side, under a slider, as an overlay, or as a pixel difference, so you can see exactly what changed. From photo edits and DIY projects to plant growth records and screenshot checks, spot the difference in seconds. # Four Comparison Modes ▼ Side by Side View both images at once. Perfect for before/after and 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. # Position Adjustment — Line Up Your Images When two photos were not taken from exactly the same spot, use Position Adjustment mode to align them before comparing. ・Drag to move one image over the other. ・Pinch to scale it. ・NEW: Rotate with two fingers to fix a tilted shot. Once aligned, the slider, opacity, and difference views show real changes instead of camera offset. # Features ・Pinch to zoom in Slider, 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. # Common Uses ・How to compare two photos on iPhone: pick two images from your library and switch between modes. ・Check a before/after photo edit or retouch. ・Find the difference between two screenshots or design mockups. ・Track progress: DIY, renovation, fitness, plants, cleaning, and more. ・Verify that two images are identical or detect subtle changes. # Privacy First ・Works completely offline. Your images never leave your device. ・Photo library access is only used when selecting images to compare.

About

Before After Slider

Features
Read full description

Before After Slider is a simple and elegant tool for comparing two images side by side. Drag the slider to instantly reveal differences between before and after photos. Perfect for photo editing, design reviews, makeovers, renovations, and progress tracking. Features: • Smooth before/after slider • Horizontal and vertical comparison • Boundary blur for natural transitions (Pro) • Save and share high-quality images • Clean, distraction-free interface Designed to be fast, intuitive, and beautiful.

Screenshots

Image Compare+4 screens
Before After Slider3 screens

Verdict

The call

The clearest difference is price: Before After Slider at Free against Image Compare+'s $2.99. Before After Slider also leads on update cadence (weekly vs every 3 weeks). Image Compare+'s advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Before After Slider is free to download; Image Compare+ costs $2.99 up front. Before After Slider sells 1 one-off in-app purchase. Image Compare+ asks for nothing beyond the download.

UpkeepUpdate frequency

Image Compare+ ships an update every 3 weeks, Before After Slider weekly. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 7 level
Image Compare+ versus Before After Slider: the parameters behind the verdict, then further details
ParameterImage Compare+Before After Slider
Price$2.99Free — better
Rating4.2 (5 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.6
Further details — not scored
Size6 MB8 MB
Age rating4+4+
DeveloperReiji KobayashiLINKAKU inc.

In-app purchases

None

Image Compare+

No in-app purchases

1 purchases

Before After Slider

One-time1
  • Pro$3.99

Questions

Is Image Compare+ free?
Image Compare+ costs $2.99, with no in-app purchases.
Is Before After Slider free?
Before After Slider is free to download, with in-app purchases available.
Do Image Compare+ or Before After Slider have ads?
Neither Image Compare+ nor Before After Slider shows ads.
Which is updated more often, Image Compare+ or Before After Slider?
Image Compare+ ships an update every 3 weeks, and Before After Slider weekly. Most recently, Image Compare+ was updated on October 15, 2026 and Before After Slider on October 3, 2026.

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