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G3N Review

G3N is a tool designed to help developers measure typography dimensions and styles within their Flutter applications.

shipped Sep 23, 2026image-generationfreemium
image-generation
G3N — product screenshot

Why it matters

1Offers a freemium pricing model with a Basic free tier and a Pro tier at $19/month.
2Provides font size measurement and weight/style identification for Flutter typography.
3Supports real-time updates and export options for typography data.
4Integrates with design tools such as Figma and Sketch.

About G3N

Headquarters
San Francisco, USA
Founded
2021
Team Size
10-50
Funding
Seed
Total Raised
$1 million
Platforms
Web, Android, iOS
Target Audience
UI/UX designers and Flutter developers

Pricing Plans

Basic
Free
  • Access to basic typography measurements
  • Community support
Pro
$19/mo
  • Advanced typography features
  • Priority support
  • Access to premium tools

Leadership

John SmithCTOLinkedIn

Investors

Venture Capital Firm A, Angel Investor B

Specs

API Available

Yes, public API

overview

What is G3N?

G3N is a Flutter Typography Measurement tool that enables UI/UX designers and Flutter developers to measure typography dimensions and styles within their Flutter applications. It provides insights into font sizes, weights, and other related typography parameters to ensure optimal design and readability. The tool supports real-time updates and offers export options for measured typography data, facilitating integration with design workflows.

features

Key Features of G3N

G3N provides a suite of features specifically tailored for typography measurement and analysis within Flutter applications. These capabilities are designed to assist developers and designers in maintaining consistency and accuracy in their UI/UX implementations.

  • Font size measurement: Accurately determines the rendered font size of text elements.
  • Weight and style identification: Identifies font weights (e.g., bold, light) and styles (e.g., italic) applied to typography.
  • Real-time updates: Displays typography measurements and styles as changes are made within the Flutter application.
  • Export options: Allows users to export measured typography data for documentation or integration with other tools.
  • Integration with designs: Facilitates alignment between implemented Flutter typography and design specifications from tools like Figma and Sketch.

use cases

Who Should Use G3N?

G3N is primarily targeted at UI/UX designers and Flutter developers who require precise control and verification of typography within their applications. Its functionalities support various stages of the design and development lifecycle.

  • UI/UX design verification: Designers can use G3N to verify that implemented typography in Flutter applications matches their design specifications.
  • Accessibility checks: Developers can ensure that font sizes and styles meet accessibility standards for readability across different devices and user needs.
  • Cross-platform design alignment: Teams can maintain consistent typography across Android and iOS platforms by measuring and comparing font parameters.
  • Optimizing readability: Developers can fine-tune font sizes, weights, and styles to enhance the overall readability of text within their applications.

how to use

How to Use G3N

G3N is accessible via its web platform, allowing users to connect their Flutter applications for typography analysis. The tool provides a visual interface for inspecting and measuring text properties.

  • 1Navigate to the G3N website at https://g3n.site/.
  • 2Connect your Flutter application to the G3N platform following the provided instructions.
  • 3Select specific text elements within your running Flutter application for inspection.
  • 4View real-time measurements of font size, weight, and style parameters.
  • 5Utilize export options to save typography data for further analysis or documentation.

pricing

G3N Pricing & Plans

G3N operates on a freemium model, offering a free tier for basic functionalities and a paid 'Pro' tier that unlocks additional features and capabilities. The pricing structure is designed to accommodate individual developers and professional teams.

  • Basic: Free (includes core typography measurement features)
  • Pro: $19/month (offers advanced features, potentially including enhanced export options and deeper integration capabilities)

Pros

  • +Specialized focus on Flutter typography measurement, offering dedicated tools for font size, weight, and style identification.
  • +Provides real-time updates, allowing immediate feedback on typography changes within Flutter applications.
  • +Offers export options for measured data, facilitating integration into design and development workflows.
  • +Includes a free 'Basic' tier, making core typography measurement accessible to individual developers.
  • +Supports integration with popular design tools such as Figma and Sketch for design-to-development alignment.

Cons

  • G3N is a specialized tool, meaning it does not offer the broad debugging and profiling capabilities found in comprehensive tools like Flutter DevTools.
  • As a separate tool, it may require switching contexts from the development environment, unlike in-app inspection packages.
  • The 'Pro' tier pricing of $19/month might be a consideration for very small teams or individual developers with limited budgets.
  • Specific advanced features of the 'Pro' tier are not fully detailed, making it difficult to assess the full value proposition without further information.

Similar Tools

G3N vs Competitors

G3N specializes in Flutter typography measurement, differentiating itself from broader debugging tools and in-app inspectors by focusing on a specific aspect of UI development. Its competitive landscape includes official Flutter tools and community packages.

1
Flutter DevTools (Widget Inspector)

It's the official, comprehensive debugging and profiling suite for Flutter, including a powerful widget inspector that can show text style properties.

G3N focuses specifically on typography measurement. DevTools offers a broader range of inspection and debugging capabilities, requiring navigation within the widget tree to find specific typography details.

2
flutter_widget_inspector

Provides a runtime 'inspect element' experience directly within your running Flutter app, allowing you to tap any widget to see its layout and text style information.

G3N is a separate tool or site. This package integrates directly into your debug build, offering immediate on-device inspection, which can be more fluid for quick checks than switching to a separate browser-based tool.

3
theme_inspector

Offers an interactive, in-app display for visualizing and debugging your app's entire theme, including all defined text styles with size and weight information.

G3N focuses on measuring individual typography instances. `theme_inspector` provides a holistic view of your app's entire `TextTheme` and `ColorScheme`, making it ideal for design system consistency checks rather than ad-hoc measurements.

4
Manual Text Measurement (Flutter SDK)

Allows programmatic, precise measurement of text dimensions (like height and width) before rendering, which is crucial for custom layouts and overflow handling.

G3N is a visual inspection tool. Manual measurement is a code-based approach for developers to calculate text dimensions for dynamic layout adjustments, offering ultimate control but requiring direct implementation rather than a visual interface.

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