“We’re out of soap.” “Wait — did I tell you?”
The little things are easy to forget. On their own they’re nothing, but they add up — and slowly you drift. CommNote was made to take those tiny misunderstandings away.
It started as a chat group my partner and I made while living together, named “renrakucho.” We jotted shopping and reminders there — but in chat, everything just scrolls away. We wanted a place where it stays. So we built one, and kept the name.
A shared notebook for the people closest to you — your partner, family, or roommates. Your shopping, your little agreements, your money — all in one place.
■ Three tabs that quietly have your back
• Lists — never lose “can you grab milk?” again. Jot it and it appears on their screen; check it off when it’s done. Assign it, and “who’s doing this?” disappears. Pin the important ones.
• Rules — “we take turns with the trash,” “quiet after 10pm.” Turn vague promises into something you can both see.
• Money — “how much did we spend this month?” at a glance. Log who paid, tap “Split up,” and who-owes-whom is worked out for you — no more awkward money talk. Rent and subscriptions sit in fixed costs and total themselves.
■ Start with just your name
No sign-up, no email, no password. Send a 6-digit code and you’re connected.
■ Notice without checking
A gentle nudge when the other person adds, finishes, or logs something (never for your own actions).
■ Show it to people without the app
Want to show the shopping list to family back home? Send a read-only link — no app, no sign-up for them.
■ For everyday life — and the occasional get-together
• Couples just starting to live together; busy two-income households sharing chores
• Staying in touch with family far away
• Hosting a trip, BBQ, or party — assign the potluck (meat → Alex, drinks → Sam), and “Split up” the bill. Up to 10 people free (50 with Premium).
■ CommNote Premium (optional)
For getting more from Money. ¥490/month or ¥4,900/year, 7-day free trial. Monthly report, categories, full history, custom split (60/40), up to 50 members & no ads.
The basics (sharing, rules, expense log, Split up, fixed costs) stay free, always.
For the people closest to you — and a day with nothing left unsaid.
■ Subscription terms
CommNote Premium — ¥490/month or ¥4,900/year (7-day free trial). Auto-renewable subscription.
Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless canceled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. Manage or cancel anytime in your App Store account settings.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://negtak.github.io/renrakucho/privacy-policy.html
