Services What We Offer

Our Expertise

Accelerate development with AI.

From landing page creation to large-scale web applications and mobile development. APPKEY provides development services that support business growth by balancing speed and quality through AI-assisted "Vibe Coding".

Four Major Development Areas

High-quality technical solutions that deliver business value through AI-assisted development and proven methodologies.

Web Applications

Shape your business model into code.

From internal systems that streamline operations to SaaS that creates new markets and matching platforms that connect users. Custom development requiring complex requirement definitions is where AI-assisted development shows its greatest effectiveness.

Business Systems (CRM/SFA)
SaaS Development
Booking & Matching
API Development
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Mobile Applications

Optimal experiences in your customers' pockets.

We develop high-quality mobile apps for both iOS and Android platforms. Gradual deployment from MVP (Minimum Viable Product) to full-spec. Through rapid iteration with AI, we shorten the plan→implement→verify cycle to co-create apps that users will appreciate.

iOS
Android
Flutter
PWA
MVP Development
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Corporate Websites

Polishing your company's "face" with quality and speed.

We build corporate websites that speak to company credibility and owned media. AI generates code foundations from design data, and engineers finish them to rapidly realize design-faithful websites. We also thoroughly optimize performance, targeting Lighthouse 90+.

Corporate Websites
WordPress
Owned Media
E-commerce Sites
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Landing Pages

The one page that determines marketing success, in as little as one day.

For focused campaigns including new products, campaigns, and event announcements. AI creates high-precision coding drafts from design data, making it possible to shape conversion designs based on data and testing in as little as one day.

Note: Production timeline depends on the clarity of requirements and approval flow.

Advertising LPs
Lead Generation
Event Announcements
A/B Testing
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