Comparison

Perspective Overlay vs PerScaler

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

Head to head
About

Perspective Overlay

Easily map images to any quadrangle area of a background photo, creating composite images with unique perspectives. Adjust brightness, contrast, and saturation for the cropped foreground image. Save or share your creations directly from the app.

Highlights
  • Map images to any quadrangle
  • Create composite photos
  • Adjust image brightness, contrast, saturation
  • Save and share creations
  • Import photos from camera or album
  • Map distorted perspective rectangles
Features
Read full description

■ Crops the front photo into a quadrangle and freely maps an image to any quadrangle area of ​​the back photo to automatically generate a composite photo. ■ Any quadrangle shape can be composited, not just trapezoids and parallelograms, but even distorted perspective rectangles with depth. ■ By updating the back photo with the generated composite photo, you can also composite multiple photos with this app alone. ■ From a straight rectangle to a distorted quadrangle, or vice versa. ■ You can adjust the brightness, contrast and saturation of the cropped front photo. ■ Composite photos can be saved to a photo album or exported via file sharing. Depending on your ideas and how you use it, you can create a variety of photos that were previously difficult to create. [Photo source] ・Launch the camera and take a photo ・Select a photo from the photo album ・Import shared files from other apps ・Paste photos copied from web images, etc. [Output] ・Save image files: Photo album (camera roll) ・Share image files: AirDrop, LINE, Facebook, Dropbox, Instagram,...

About

PerScaler

Features
Read full description

Turn your photos into drawing references. PerScaler is a camera app designed to help you prepare photos for drawing and sketching. Crop your images, adjust perspective, and refine the composition to create references that are easier to draw from. Built with simplicity and speed in mind, PerScaler is a photo tool made specifically for artists. Key Features - Import photos from your library - Cropping - Transform (perspective & skew correction) - Composition adjustment Perfect for - Figure drawing references - Gesture drawing (croquis) - Adjusting composition for landscape sketches - Preparing images for illustration PerScaler simplifies your preparation process—so you can focus on drawing.

Screenshots

Perspective Overlay4 screens
PerScaler4 screens

Verdict

The call

The clearest difference is price: PerScaler at Free against Perspective Overlay's $2.99. Perspective Overlay's advantage is in-app purchases (none vs 1) and update cadence (every 3 days vs every 11 days). On ads 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

CostPrice · In-app purchases · Ads · Monetization

PerScaler is free to download; Perspective Overlay costs $2.99 up front. PerScaler sells 1 one-off in-app purchase. Perspective Overlay asks for nothing beyond the download.

UpkeepUpdate frequency

Perspective Overlay ships an update every 3 days, PerScaler every 11 days. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
Perspective Overlay versus PerScaler: the parameters behind the verdict, then further details
ParameterPerspective OverlayPerScaler
Price$2.99Free — better
Rating4.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 days — betterEvery 11 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size2 MB140 MB
Age rating4+4+
DeveloperMasanori Katsuta12px, LLC

In-app purchases

None

Perspective Overlay

No in-app purchases

1 purchases

PerScaler

One-time1
  • Buy me a coffee$0.49

Questions

Is Perspective Overlay free?
Perspective Overlay costs $2.99, with no in-app purchases.
Is PerScaler free?
PerScaler is free to download, with in-app purchases available.
Do Perspective Overlay or PerScaler have ads?
Neither Perspective Overlay nor PerScaler shows ads.
Which is updated more often, Perspective Overlay or PerScaler?
Perspective Overlay ships an update every 3 days, and PerScaler every 11 days. Most recently, Perspective Overlay was updated on October 14, 2026 and PerScaler on October 6, 2026.

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