Tokyo AI App Lab

2025.08.26

Launch Web / Android / Apps Faster with ChatGPT.

Learn how to build and monetize through practical examples and real numbers.

App List Monetization Guide Dev Log
What are we building on this site?

Recommended Web Apps

AI-powered

Weather + Clock (Location-based)

Web App / React

Automatically displays weather for your nearest city using geolocation. Minimal UI for quick daily checks.
Open / Details
AI-powered

Reversi

Web Game / Canvas

Reversi is a hyper-casual strategy board game, quick to play yet deeply engaging. A classic mini-game perfect for casual players and board game fans alike.
Open / Details
AI-powered

Practical Grouping Roulette Tool

Roulette / Tool

Handy Group Assignment Roulette Tool
Open / Details

See all apps

Monetization Guide

The Basics of Ad Revenue

Ad / IAP

Where should beginners start when introducing advertising income?
Read

Important Notes When Applying for Ads!

Google Adsense / Ad

Review, Descriptions, and the Basics & Key Points When Applying.
Read

Beginner’s Guide to Reducing Bounce Rates

CRO / Analytics

Design flows to reduce drop-off. Event tracking and A/B testing.
Read

Affiliate Marketing

Affiliate

Hybrid monetization through content × apps. Link design and key considerations.
Read

Dev Log

Automatically show weather for your nearest city with geolocation. Minimal UI for fast morning checks.
Weather + Clock on top center → Auto geolocation for nearest city
Implementation note / Stop auto-slide while dragging / Fixed % display bug
Quick implementation with ChatGPT (No Cord)
Prompt templates / Debugging tips / Common pitfalls
Build small, release fast: Shortest route to monetization
Initial KPI / Update frequency / When not to give up

All articles / 日本語ブログ

Newsletter

Monthly updates: new apps, updates, and revenue reports.