Comparison

Keylines vs DesignToCode for SwiftUI

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

Head to head
About

Keylines

Overlay a customizable grid on screenshots to accurately measure layout dimensions, margins, and padding. This tool streamlines design and development workflows by enabling detailed analysis of app interfaces.

Highlights
  • Screenshot grid overlay
  • Measure layout sizes
  • Analyze margins and padding
  • Customizable grid size
  • Customizable line colors
  • Speeds up design process
Features
Read full description

Draws a grid overlay on screenshot to measure layout sizes, margins and padding. The grid speeds up your design and develop process, and lets you analyze other apps too! And you can even customize the grid size and line colors, etc.

About

DesignToCode for SwiftUI

Visually design and build SwiftUI interfaces on iPad. This app allows you to add Views, adjust Modifiers, and preview layouts in real time, generating SwiftUI code directly. Ideal for developers, designers, and learners.

Highlights
  • SwiftUI View Support
  • Modifier Control
  • Instant Preview
  • SwiftUI Code Generator
  • Liquid Glass Support
Features
Read full description

DesignToCode is a powerful yet lightweight ipadOS app for SwiftUI interface design. It helps you build user interfaces visually while following the exact logic of Apple’s SwiftUI framework. With its clear editor, you can add Views, adjust Modifiers, and preview layouts in real time—ideal for developers, designers, and anyone learning SwiftUI. Key Features: - SwiftUI View Support – Create layouts with VStack, HStack, ZStack, Text, Shape (Circle, Rectangle, RoundedRectangle, Capsule, Ellipse), Color, GlassEffectContainer and Spacer. - Modifier Control – Apply Frame, FixedSize, ForegroundStyle, Background, Mask, Overlay, Font, and more—just like you would in SwiftUI code. - Instant Preview – See your interface update immediately after each change. Perfect for experimenting with layout, color, and typography. - SwiftUI Code Generator – Copy the SwiftUI code of your design directly to the clipboard. Save time by skipping the manual step of translating design ideas into code. - Supports Liquid Glass - compatible with iOS 26. For macOS Developers – Whether you’re prototyping, teaching, or building production-ready apps, DesignToCode accelerates your SwiftUI workflow. I created DesignToCode for my own daily development work, and I use it constantly. More Views, Modifiers, and advanced tools will be added in future updates. If you’re looking for a SwiftUI visual editor, an interface builder for ipadOS, or a fast way to generate SwiftUI code, DesignToCode will help you design and develop apps more efficiently.

Screenshots

Keylines4 screens
DesignToCode for SwiftUI4 screens

Verdict

The call

The clearest difference is rating: Keylines at 5.0 against DesignToCode for SwiftUI's 2.5. Keylines also leads on iOS requirement (15.0 vs 18). DesignToCode for SwiftUI's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and monetization model 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

Both are free to download. Keylines sells 1 one-off in-app purchase. DesignToCode for SwiftUI asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Keylines holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Scorecard3 real differences · 7 level
Keylines versus DesignToCode for SwiftUI: the parameters behind the verdict, then further details
ParameterKeylinesDesignToCode for SwiftUI
PriceFreeFree
Rating5.0 (1 ratings) — better2.5 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings12 — better
Update frequency—Every 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 — better18
Further details — not scored
Size2 MB14 MB
Age rating4+4+
Developer明亮 李浩 王

Customer experience

Keylines

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

DesignToCode for SwiftUI

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Keylines

One-time1
  • Use Pixel as Coordinates$0.99
None

DesignToCode for SwiftUI

No in-app purchases

Questions

Is Keylines free?
Keylines is free to download, with in-app purchases available.
Is DesignToCode for SwiftUI free?
DesignToCode for SwiftUI is free to download, with no in-app purchases.
Which has better reviews, Keylines or DesignToCode for SwiftUI?
Keylines is rated higher. Keylines averages 5.0 out of 5 from 1 ratings, while DesignToCode for SwiftUI averages 2.5 from 2 ratings.
Do Keylines or DesignToCode for SwiftUI have ads?
Neither Keylines nor DesignToCode for SwiftUI shows ads.

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