Seamless fills
Great fill function, saves my composition. Also auto correct works perfectly.
Free
In-App Purchases
About
This app corrects perspective distortions and fills empty corners with AI. It can also expand image frames, upscale resolution, and preserve wide-gamut color and HDR. Edits are processed at full quality without requiring an account.
✓Perspective and keystone correction
✓AI corner fill at full resolution
✓Generative expand for extending frames
✓Upscale and recreate image details
✓Preserves Display P3 color and HDR
✓Maintains original file format and metadata
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What's New in Keystone Photo Lab
1.4.6
November 9, 2026
• Up to 48 MP output resolution enabled. • Large zoom-out fills no longer fail or crash. • Clearer error messages. • Bug fixes.
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Subscriptions & In-App Purchases
Play (Yearly)
Play plan billed yearly: 50 AI photo edits each month.
$29.991 Year
User reviews
Developer apps
FAQ
What is Keystone Photo Lab used for?
Keystone Photo Lab is used to correct perspective distortions in photos, fill empty areas with AI, expand image frames, and upscale resolution. It aims to make every photo look like it was shot with a tilt-shift lens.
How does Keystone Photo Lab handle AI corner fill?
Keystone Photo Lab fills empty corners created by perspective correction using generative AI at the photo's full resolution. This ensures no downscaling, soft edges, or visible seams, unlike many other apps.
Does Keystone Photo Lab require an account?
No, Keystone Photo Lab does not require an account to start editing. Photos are processed at full quality using the latest AI models, offering a simple, fast, and private editing experience.
What color and HDR features does Keystone Photo Lab offer?
Keystone Photo Lab preserves your photo's Display P3 wide-gamut color and HDR gain map end to end. Edits stay vivid on your iPhone's screen, unlike editors that flatten everything to sRGB.
Does Keystone Photo Lab have ads?
No, Keystone Photo Lab does not contain advertisements. The app is free to download and use, with optional subscriptions for additional AI credits.
What are the subscription options for Keystone Photo Lab?
Keystone Photo Lab offers optional auto-renewable subscriptions for monthly AI credits. Plans include 'Play' ($2.99/month or $29.99/year), 'Media' ($9.99/month or $99.99/year), and 'Pro' ($29.99/month).
How often is Keystone Photo Lab updated?
The latest version of Keystone Photo Lab is 1.4.5, last updated on October 30, 2026. This indicates a recent update, suggesting ongoing development and support.
What devices is Keystone Photo Lab compatible with?
Keystone Photo Lab is compatible with iPhone, iPad, and iPod. It is rated for ages 4 and up, making it suitable for a wide range of users.
