ButterKit

ButterKit is a native macOS application specifically designed to streamline and automate the App Store publishing workflow for Apple developers. This innovative tool caters to mobile application creators, enabling them to capture screenshots seamlessly from the Xcode Simulator and position them into visually appealing 3D device frames. One of ButterKit's standout features is its ability to translate app metadata into all 50 App Store Connect languages using advanced AI models, significantly reducing the complexity often associated with localization. By integrating seamlessly with the App Store Connect API, developers can upload their polished screenshots and metadata with just a click. Whether starting from professional templates or customizing designs from scratch, ButterKit enhances efficiency by linking entire folders for input and output, making it a perfect fit for CI/CD pipelines and Fastlane workflows. Designed by a solo developer for developers, ButterKit aims to simplify and optimize the app publishing process.

Screenshot Capture

ButterKit allows users to drag and drop app screenshots directly onto 3D devices, or capture images directly from the Xcode Simulator. This integration saves time and enhances workflow efficiency, making it easy for developers to iterate rapidly.

3D Device Rendering

With a powerful 3D rendering engine, ButterKit lets users place their screenshots in photorealistic device frames. This feature not only enhances the visual appeal of the screenshots but also allows for quick adjustments, making the design process enjoyable and efficient.

Instant Translation

The application can translate app metadata and screenshots into all 50 App Store languages in seconds. This feature ensures that designs stay synchronized across multiple languages, making localization a breeze for developers targeting diverse markets.

Direct Upload to App Store Connect

ButterKit simplifies the publishing process by allowing users to batch export images or upload their designs directly to App Store Connect. This feature ensures that all assets are prepared in the correct order, ready for immediate submission.

Mobile App Developers

Mobile app developers can utilize ButterKit to streamline their publishing process by capturing screenshots directly from the Xcode Simulator. This feature allows for rapid iteration and design adjustments, ultimately leading to more polished app presentations.

Localization Teams

Localization teams can benefit from the instant translation feature, enabling them to quickly translate app metadata and screenshots into multiple languages. This capability simplifies the localization process, helping teams reach broader audiences effortlessly.

Marketing Agencies

Marketing agencies can leverage ButterKit's professional templates and 3D rendering capabilities to create striking App Store visuals. This tool allows agencies to showcase their clients' apps effectively and improve conversion rates through enhanced visuals.

CI/CD Pipelines

For teams using CI/CD pipelines, ButterKit's ability to link entire folders for input and output makes it a natural fit for automation. This integration can save time and resources, ensuring that the app publishing process is both efficient and reliable.

What platforms does ButterKit support?

ButterKit is designed exclusively for macOS, making it a powerful tool for Apple developers who create and manage iOS applications.

Can I customize the 3D device frames?

Yes, ButterKit provides users with the ability to adjust 3D devices easily, allowing for personalized aesthetics that cater to specific branding or design requirements.

How does the translation feature work?

The instant translation feature utilizes advanced AI models to convert app metadata and screenshots into all 50 App Store Connect languages in a matter of seconds, ensuring accuracy and consistency across localizations.

Is there support for Fastlane integration?

Absolutely. ButterKit is designed to work seamlessly with Fastlane, allowing developers to link folders of images and streamline their workflows for efficient app publishing.