Pic Warp vs Image Compare+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pic Warp
Easily correct perspective distortion in photos. Transform skewed images into perfect rectangles or place new images into existing skewed areas, like billboards or posters. Achieve precise results with intuitive controls.
- Perspective skew and unskew
- Convert skewed areas to rectangles
- Insert photos into skewed areas
- Manual aspect ratio adjustment
- Control point selection
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[Pic Warp] is a powerful photo geomtry editor which supports perspective skew and unskew on your photo. For instance, you can do following things with this app. - Convert skewed book cover area to plane rectangular photo. - Convert skewed billboard arae to plane rectangular photo. - Put beautiful girl image into poster area of another photo. - Put amazing landscape image into billboard area of another photo. * Warp Out (Skewed area to plane photo) - Select any skewed area in photo using 4 control points. - Convert the selected area to plane rectangular photo automatically. - Adjust width and height ratio manually to get a perfect result. * Warp In (Plane photo to skewed area) - Select any skewed area in photo using 4 control points. - Put any photo into the selected area. - The photo is perspectively transformed automatically to fit into the area.
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.
- 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
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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.
Screenshots
Verdict
The clearest difference is rating: Image Compare+ at 4.2 against Pic Warp's 1.9. Image Compare+ also leads on update cadence (every 3 weeks vs every 8 months). Pic Warp's advantage is review sentiment (61% vs 33%) and iOS requirement (13.0 vs 15.0). On price, ratings volume, ads and in-app purchases 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
Pic Warp costs $2.99 and Image Compare+ $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Image Compare+ holds the better App Store score, 4.2 against 1.9. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews complicate that: 61% of Pic Warp's written reviews are positive against 33% of Image Compare+'s, so the app with the better star average is not the one people write more warmly about.
Pic Warp ships an update every 8 months, Image Compare+ every 3 weeks. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.
| Parameter | Pic Warp | Image Compare+ |
|---|---|---|
| Price | $2.99 | $2.99 |
| Rating | 1.9 (8 ratings) | 4.2 (5 ratings) — better |
| Positive reviews | 61.1% of reviews — better | 33.3% of reviews |
| Number of ratings | 8 — better | 5 |
| Update frequency | Every 8 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Dongwook Cho | Reiji Kobayashi |
Customer experience
Pic Warp
Image Compare+
In-app purchases
Pic Warp
No in-app purchases
Image Compare+
No in-app purchases
Questions
Is Pic Warp free?
Is Image Compare+ free?
Which has better reviews, Pic Warp or Image Compare+?
Do Pic Warp or Image Compare+ have ads?
Which is updated more often, Pic Warp or Image Compare+?
Other comparisons
