和暦変換 vs Chore Note
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
和暦変換
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It is an application to convert the A.D. and Japanese Era. When you select the year from Showa, Heisei, or Reiwa, the corresponding year is displayed. When the era has not been decided yet, it will be displayed as "----".
Chore Note
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"What should I start with today?" "I forgot to do the chores again..." Chore Note solves these everyday frustrations. ■ What is Chore Note? Register your chores with a daily, weekly, or monthly frequency — and the app automatically shows you what to do today. No complicated setup. Just pick a chore and its frequency, and the app takes care of the rest. ■ Who It's For - Homemakers who want to manage chores more efficiently - People living alone who struggle to build consistent cleaning habits - Busy working couples with no time to waste - Anyone who wants a simpler to-do and checklist system ■ Features [Today's Chore List] Open the app and see only today's chores — automatically selected based on frequency. No manual planning needed. [Home Screen Widget] Check and tick off today's chore list right from your home screen without opening the app. [Checklist] Tap to mark a chore done. Completed tasks disappear from the list, giving you a satisfying sense of achievement. [Reminder Notifications] Get an evening alert if today's chores are unfinished. Weekly and monthly chores send a reminder the day before. [Chore History Calendar] Review which chores you completed and when. Seeing your streak builds motivation to keep going. [Weekly Day Assignment] Assign weekly chores to specific days — e.g., toilet on Monday, bathroom on Saturday. ■ Quick Setup Choose from 12 chore templates to register your full list in one go. Start using the app right away. ■ About Ads This app is free to use. Watch a short video ad to temporarily hide banner ads.
Screenshots
Verdict
The clearest difference is iOS requirement: Chore Note at 14.0 against 和暦変換's 17.6. 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. Neither carries in-app purchases, so what you see is what you pay.
和暦変換 ships an update every 9 days, Chore Note every 2 weeks. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.
| Parameter | 和暦変換 | Chore Note |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days — better | Every 2 weeks |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 114 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Hiroyuki Nishijima | AppSeed, Incorporated. |
In-app purchases
和暦変換
No in-app purchases
Chore Note
No in-app purchases









