Otona Calendar vs Tree人気スケジュール帳 仕事のスケジュール共有で予定管理
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Otona Calendar
This straightforward scheduling app syncs with your existing iOS calendars, including iCloud and Google. It offers event templates, search functionality, and notifications without requiring complex setup. An optional one-time purchase removes advertisements.
- Event templates
- Move and copy events
- Find free time
- Search events
- Create custom calendars
- Event notifications
- Passcode lock
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Otona Calendar is a simple schedule app you can use right after installing it. We left out everything extra. The app uses the calendars already saved on your iPhone, so if you switch from another calendar app, your events are all here with no setup. Calendars synced through iOS, such as iCloud and Google, show up as they are. [What you can do] - Templates for events you add often - Move and copy events - Find free time - Search events - Create your own calendars - Event notifications - Passcode lock Remove ads with a one-time purchase. - URL scheme: otonaCal://
Tree人気スケジュール帳 仕事のスケジュール共有で予定管理
This app offers a simple and intuitive calendar for managing your schedule. Easily color-code appointments, view your week at a glance, and navigate smoothly through dates. A premium plan unlocks ad-free usage, CSV export, and unlimited customization options.
- Color-coded appointments
- One-week list display
- Smooth vertical scrolling
- Easy detail screen
- CSV export (premium)
- Unlimited favorite colors (premium)
- Unlimited templates (premium)
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Handy calendar for free ! ! There are two types of 1 -week display , month display . You can use immediately even those who are not familiar with the schedule management so simple . 【Characteristic】 ● color-coded appointments You can change the color for each plan . ● Easy-to-read display for one week List the schedule of the week . Things to do this week you can see at a glance . ● smooth vertical calendar A vertical scroll to the desired day you can easily move . You can return to the first position as soon as you press the " Back to today " button even when overdone . ● easy to see the detail screen When you tap the scheduled list of the day will display the date. ■■■ About the premium plan ■■■ * Premium plan is 280 yen per month * Premium plan is automatically updated every month * Payment will be made via your Apple ID * Subscriptions are managed by the user and can be turned off from account settings * Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal * It will continue automatically unless canceled more than 24 hours before the next subscription To cancel your subscription: 1. Open the Settings app and tap your name. 2. Tap "Subscriptions". 3. Select this app’s subscription. 4. Tap "Cancel Subscription". The premium plan offers the following features 1. Hide the ad Hide the ad and the screen is spacious 2. CSV export Output to a format that can confirm the schedule in Excel 3. Unlimited number of favorite colors You can add an unlimited number of scheduled colors to your favorites 4. Unlimited number of templates Create unlimited number of templates ■ Terms of Use https://hapilf.com/terms.html ■ Privacy Policy https://hapilf.com/privacy.html ■ フォントライセンス * 瀬戸フォント SIL Open Font License 1.1 (http://scripts.sil.org/OFL) © Nonty.net * Rounded Mgen+ SIL Open Font License 1.1 (http://scripts.sil.org/OFL) © 2015 自家製フォント工房, © 2014, 2015 Adobe Systems Incorporated, © 2015 M+ FONTS PROJECT * マメロン フリーフォント © もじワク研究 * たぬゴ SIL Open Font License 1.1 (http://scripts.sil.org/OFL) © たぬきフォント
Screenshots
Verdict
The clearest difference is rating: Tree人気スケジュール帳 仕事のスケジュール共有で予定管理 at 4.8 against Otona Calendar's 4.1. Tree人気スケジュール帳 仕事のスケジュール共有で予定管理 also leads on review sentiment (77% vs 42%) and ratings volume (168 vs 10). 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. Otona Calendar sells 1 one-off in-app purchase and Tree人気スケジュール帳 仕事のスケジュール共有で予定管理 sells 3 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.
Tree人気スケジュール帳 仕事のスケジュール共有で予定管理 holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Tree人気スケジュール帳 仕事のスケジュール共有で予定管理 has 168 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 42% of Otona Calendar's written reviews are positive against 77% of Tree人気スケジュール帳 仕事のスケジュール共有で予定管理's.
Otona Calendar ships an update fortnightly, Tree人気スケジュール帳 仕事のスケジュール共有で予定管理 monthly. The most recent releases landed on November 11, 2026 and November 13, 2026 respectively.
| Parameter | Otona Calendar | Tree人気スケジュール帳 仕事のスケジュール共有で予定管理 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (10 ratings) | 4.8 (168 ratings) — better |
| Positive reviews | 41.7% of reviews | 77.4% of reviews — better |
| Number of ratings | 10 | 168 — better |
| Update frequency | Fortnightly — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 49 MB | 152 MB |
| Age rating | 4+ | 4+ |
| Developer | Masaki Hirano | LAN CHEN |
Customer experience
Otona Calendar
Tree人気スケジュール帳 仕事のスケジュール共有で予定管理
In-app purchases
Otona Calendar
- Remove Ads$3.99
Tree人気スケジュール帳 仕事のスケジュール共有で予定管理
- プレミアムプラン$2.491 Month
- 広告非表示$1.99
- アップグレードパック$3.99
Questions
Is Otona Calendar free?
Is Tree人気スケジュール帳 仕事のスケジュール共有で予定管理 free?
Which has better reviews, Otona Calendar or Tree人気スケジュール帳 仕事のスケジュール共有で予定管理?
Do Otona Calendar or Tree人気スケジュール帳 仕事のスケジュール共有で予定管理 have ads?
Which is updated more often, Otona Calendar or Tree人気スケジュール帳 仕事のスケジュール共有で予定管理?
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