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AppIn-house product

Hitotarashi

Hitotarashi

Overview

An app where you keep a folder for each person who matters to you, write down what you notice about them, and get AI advice on your relationship based on those notes. Notes are sorted by topic automatically and stored fully encrypted. Supports Face ID and fingerprint lock, and suggestions backed by web search. Available in Japanese, English and Korean, on the App Store and Google Play.

Client
In-house product
Launched
2026
Category
App
Scope
PlanningUI/UX designApp developmentAI integrationPayments & subscriptionsWebsite
Stack
iOSAndroidAINext.js

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