ButterKit
The smooth way to create localized app screenshots in minutes.
What is ButterKit? Complete Overview
ButterKit is a powerful macOS application designed to streamline the process of creating beautiful, localized app screenshots for the App Store. It targets app developers and designers who need to quickly generate polished screenshots across multiple languages and devices. The tool solves the pain points of juggling multiple apps, manually updating artboards, and dealing with complex workflows by offering an all-in-one solution. With ButterKit, users can capture screenshots directly from Xcode, edit them in photorealistic 3D device frames, translate text to 39 localizations, and export directly to App Store Connect—all within a single, intuitive interface. The tool is optimized for modern macOS systems, leveraging Metal for high-performance rendering, and is particularly effective on Apple Silicon M1 or later chips.
ButterKit Interface & Screenshots

ButterKit Official screenshot of the tool interface
What Can ButterKit Do? Key Features
Capture from Xcode
ButterKit integrates seamlessly with Xcode, allowing users to capture screenshots in seconds. This feature eliminates the need for manual screenshotting and saves time by directly pulling images from the simulator. The captured screenshots can then be edited, translated, and exported without leaving the ButterKit environment.
Edit in 3D
ButterKit's real-time 3D rendering engine places screenshots in photorealistic device frames, giving them a polished, professional look. Built on Metal, this feature ensures smooth 60/120fps editing performance, especially on M-series chips. Users can choose from a variety of pro templates to enhance their screenshots.
Translate to 39 localizations
ButterKit supports translations for all 39 App Store Connect localizations, making it easy to cater to a global audience. The tool offers two translation engines: an on-device option for 20 languages (free) and an OpenAI-powered option for 39 languages (Pro). Designs stay synced across languages, eliminating the need for manual updates.
App Store Previews
Users can preview their app's story on every device and in every language before exporting. This feature allows for quick adjustments to layout and design, ensuring that the final output looks perfect across all platforms and locales.
Upload to App Store Connect
ButterKit simplifies the publishing process by automatically exporting and uploading designs and localizations directly to App Store Connect. The tool ensures files are uploaded in the correct order, saving users from manual file management.
Templates and Advanced Features
ButterKit includes designer templates, undo/redo support, file saving, hotkeys, light and dark modes, and liquid glass effects. The tool also leverages Metal hardware acceleration for optimal performance, making it a versatile solution for app screenshot creation.
Best ButterKit Use Cases & Applications
App Store Localization
Developers launching apps in multiple countries can use ButterKit to quickly generate localized screenshots for all 39 App Store languages. This ensures a consistent and professional look across all regions, increasing download rates.
Marketing Materials
Designers can create high-quality marketing materials by placing app screenshots in photorealistic 3D device frames. This enhances the visual appeal of promotional content and helps attract more users.
Rapid Iteration
Teams can rapidly iterate on app designs by capturing, editing, and previewing screenshots in real-time. ButterKit's streamlined workflow saves time and reduces the need for multiple tools.
How to Use ButterKit: Step-by-Step Guide
Capture screenshots from Xcode Simulator or drag images directly into ButterKit. The tool integrates with Xcode for seamless screenshot capture, saving time and effort.
Edit your screenshots using ButterKit's pro templates and 3D device frames. Adjust styling, text, and layout to create polished, professional-looking images.
Translate your text to 39 App Store localizations with a single click. ButterKit keeps designs synced across languages, ensuring consistency without manual updates.
Preview your app's story on every device and in every language. Make final adjustments to ensure your screenshots look perfect across all platforms.
Export your designs and upload them directly to App Store Connect. ButterKit handles the file management, ensuring everything is uploaded in the correct order.
ButterKit Pros and Cons: Honest Review
Pros
Considerations
Is ButterKit Worth It? FAQ & Reviews
ButterKit Pro removes the 'Made with ButterKit' watermark and unlocks OpenAI API usage. A subscription is optional; lifetime licenses are also available for one-time purchases.
ButterKit is built for macOS 15.6 or later, with optimal performance on Apple Silicon M1 or later chips. Intel-based Macs are also supported.
ButterKit offers two translation engines: on-device (free, 20 languages) and OpenAI (Pro, 39 languages). The OpenAI engine requires your own API key, billed separately by OpenAI.
Yes, a 75% discount is available for teachers, active students, military veterans, and first-responders. Contact [email protected] with a .edu or government email to receive a code.
ButterKit offers a free version with unlimited projects and exports, though it includes a watermark. The Pro version removes the watermark and adds advanced features.