CommNote vs Rungs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CommNote
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“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
Rungs
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You already know what you love. You just can't put it in order. Ask someone to rate a coffee out of ten and they'll stall. Was that an 8? An 8.5? What does 8.5 even mean? But ask them which of two coffees was better and they'll answer instantly — and they'll be right. That's the whole idea behind Rungs. HOW TO USE IT 1. Tap one of the starter ladders on the first screen, or make your own — give it a name, an icon and a colour. 2. Open the ladder and tap "Add something". Type a name, and add a photo or a note if you like. 3. Answer one gut check: Loved it, Liked it, or Not for me. Don't think about it. 4. Now the duels. Rungs shows you two cards — the new thing and something already on your ladder — and asks which is better. Tap whichever you prefer. 5. Three or four taps later it's done. The item lands at its exact rank with a score out of ten, and everything around it re-settles. Press and hold any row to rank it again or remove it. Tap the button at the top right to export your ladder as a share card. WHY IT WORKS The score is never something you invent. It comes from where the item actually landed, so it stays honest as your ladder grows. Underneath it is a binary search, which is why a ladder of a hundred things still only takes about four taps. WHAT YOU GET • Unlimited ladders for anything you want to rank • Head-to-head comparisons instead of star ratings • A real score out of ten, derived from position • A podium for your top three • Photos and notes on anything you add • Eight covers so every ladder feels like its own place • Beautiful share cards, built to be posted • Re-rank anything whenever your taste changes • Search once a ladder gets long • Full CSV export — your data leaves as easily as it arrived PRIVATE BY CONSTRUCTION There is no account. There is no sign-in. There is no server. Rungs never sends your rankings anywhere, because there is nowhere to send them. Everything lives on your device and works with the plane in airplane mode. We don't collect analytics, we don't have a login, and we couldn't read your ladders if we wanted to. ONE PAYMENT Rungs is free to try: three ladders, fifteen things on each. Rungs Pro is a single purchase — no subscription, ever — and unlocks unlimited ladders and unlimited rungs, every cover, share cards without our badge, and CSV export. Buy it once, keep it forever, share it with your family. Made for iPhone and iPad.
Screenshots
Verdict
The clearest difference is iOS requirement: CommNote at 13.0 against Rungs's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. CommNote sells 2 in-app purchases, starting at $2.99 per month and Rungs sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
CommNote ships an update every 3 days, Rungs every 2 days. The most recent releases landed on November 10, 2026 and October 25, 2026 respectively.
| Parameter | CommNote | Rungs |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 90 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Gen Takagaki | Lihai La LLC |
In-app purchases
CommNote
- CommNote Premium(Monthly)7 Days trial$2.991 Month
- CommNote Premium(Yearly)7 Days trial$29.991 Year
Rungs
- Rungs Pro$4.99









