SnappCode
Duomly Backend Generator
Overgrid by Paintingstack
Grid
GridMaker.pro
Add a grid to any reference photo. Transfer proportions to canvas with confidence.
Import from your gallery or shoot with your camera. Set rows, columns, line weight, and color. Crop your image to match your exact canvas proportions before you grid, so every square lines up when you transfer. No guesswork, no wasted paint.
Adaptive contrast reads your image and picks grid colors that stay visible on any background. Dark lines on light areas, light lines on dark. You never lose the grid.
Value study breaks the image into tonal levels so you can plan light and shadow before you start. Temperature overlay maps warm and cool zones across the composition.
Save setups as presets. One tap to apply your favorite grid configuration to any new project. Add diagonals for composition analysis. Turn on numbering to track your squares.
Export at full resolution, up to 4096px, for printing or reference at any size.
Free includes three projects, basic grid, and 1080px export. Premium is $9.99, once. Not a subscription.
No account. No cloud. No ads. Your images never leave your device.
Available on iPhone, iPad, Mac, and Android.
SnappCode Overgrid by PaintingstackOvergrid by Paintingstack's answer:
Most grid apps stop at drawing lines on a photo. Overgrid adds tools that painters actually need: adaptive contrast that reads your image and picks grid colors that stay visible on any background, value studies that break the reference into tonal levels for planning light and shadow, and temperature overlays that map warm and cool zones across the composition. It also crops your reference to match your exact canvas proportions before you grid, so every square lines up when you transfer. No other grid app combines all of these in one place.
Overgrid by Paintingstack's answer:
One price, no subscription. Most competitors either lock basic features behind recurring payments or show ads. Overgrid has a genuinely useful free tier and a single $9.99 lifetime purchase for everything. It also works offline with no account required, your images never leave your device. And it runs on iPhone, iPad, Android, and Mac.
Overgrid by Paintingstack's answer:
Painters and illustrators who use the grid method to transfer reference photos to canvas. Art students learning to see proportions. Anyone who works from a reference image and needs accurate scaling, whether they are painting 8x10 inches or 4 feet wide.
Overgrid by Paintingstack's answer:
The grid method has been used by artists for over 500 years, from Albrecht Durer to Chuck Close. But the digital tools available for it were either too basic (just lines on a photo) or buried useful features behind subscriptions. Overgrid was built to be the reference tool painters actually want: fast grid setup, canvas matching, value studies, and adaptive contrast, all without accounts, ads, or recurring charges.
Overgrid by Paintingstack's answer:
Flutter for cross-platform development (iOS, Android, iPad, macOS), Riverpod for state management, StoreKit 2 and Google Play Billing for in-app purchases, and Sentry for error tracking.
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