Journal.

App Development

A record of app development with AI. It covers how our own apps, now live on the App Store, were built, and the practical know-how of working with AI from design through store submission.(2articles)

App Development2026.08.01

AI App Development Cost [2026]: What ¥1M–5M Buys

App development typically costs ¥1,000,000–5,000,000. What a quote is made of, how to order for less, and why AI is changing the cost structure.

How to Build a Staff Attendance App with AI (Figma Make)

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App Development2025.10.28

How to Build a Staff Attendance App with AI (Figma Make)

A restaurant owner wanted an attendance app, so I built one in Figma Make with no expertise: the chat prompts, the Supabase backend, and the manual parts.

The first step to getting this right.

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