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answer0732

Calvin Kang

@answer0732

App Store Screenshot Designer

China
Chinese
About me
I'm an independent app developer specializing in premium App Store and Google Play screenshot design. Having built and published my own iOS and Android apps, I understand what makes an app stand out. I create stunning, professional store screenshots with compelling visuals, clear messaging, and consistent branding across multiple languages and device sizes. From creative concepts to complete, ready-to-upload screenshot sets, I handle the entire process so you can focus on building your app.... Read more

Skills

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answer0732
Calvin Kang
Offline • 
Average response time: 1 hour

See my services

Graphics & Design
I will design professional app store and google play screenshots

Portfolio

Work experience

Self_Employed

Independent App Developer

Self Employed • Self-employed

May 2020 - Present • 6 yrs 5 mos

Independent iOS, Android, and macOS app developer with hands-on experience in product design, development, UI/UX, localization, and app store publishing. Designed, developed, and maintained multiple applications, including: • Finch – A personal finance and budgeting app for tracking expenses, managing budgets, and organizing finances. • Memento – A life moments and milestone tracking app for preserving meaningful memories, anniversaries, and important dates. • Social Loom – An AI-powered knowledge organization app that captures useful content from social platforms, bookmarks, and saved posts, making it easy to rediscover information through natural language search. • Mockup Studio – A macOS design application for creating professional app store promotional screenshots, featuring device mockups, customizable layouts, and visual editing tools. Experienced in the complete app development lifecycle, from product planning and interface design to implementation, testing, multilingual localization, and App Store / Google Play publishing. I also specialize in creating high-quality promotional screenshots across multiple languages and device sizes, combining creative visual design, consistent branding, and efficient production workflows. As an independent developer, I understand the challenges of launching and marketing mobile apps. My goal is to help fellow developers showcase their products through visually compelling, professional, and store-ready promotional assets.