This article was originally published in Japanese on Qiita .

Introduction

Hi, I'm Kohei Matsunobe. I'm a second-year student in the online (correspondence) program at ZEN University, studying to become an AI engineer.

On my own, I build an iOS app called KamiMeg (カミメグ) . It's a digital goshuin book: you take photos of the goshuin (the calligraphy stamps you receive at Japanese shrines), find shrines nearby, and keep a record of your visits. It's free, there's no account, and your records are stored on your device.

I released v1.0 in October 2026 and v1.1.0 in November 2026. The headline feature of v1.1.0 is a generative-AI feature where a "companion deity" introduces the shrine to you when you press a button .

This post is about what I thought through before shipping that feature.…