Otona Calendar: Simple Planner

2.13.0

Masaki Hirano

4.10

10 reviews

Free

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Screenshots by Masaki Hirano, from the the App Store listing

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About Otona Calendar: Simple Planner

Otona Calendar: Simple Planner is a productivity app developed by Masaki Hirano.

User Ratings

Otona Calendar: Simple Planner is rated 4.10 out of 5 stars. The rating is based on 10 ratings.

App Information

Otona Calendar: Simple Planner is freely available from the App Store. The app size is 49.35 MB. The latest version available is 2.13.0. The last update was on October 9, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since August 2015.

Description by Masaki Hirano (from the App Store)

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://

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Alternatives to Otona Calendar: Simple Planner

Changelog of Otona Calendar: Simple Planner

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Developer information for Masaki Hirano

Masaki Hirano

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App Store Rankings for Otona Calendar: Simple Planner

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Technologies used by Otona Calendar: Simple Planner

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