Chouseisan
Mixtend Inc. Productivity iPhoneiPadiPod touch
Chouseisan is a free Productivity app for iPhone and iPad by Mixtend Inc. Rated 4.9/5 from 43 ratings. Requires iOS 15.6. Updated September 7, 2026.
- Rating
- 4.9
- 43 ratings
- Price
- Free
- on the App Store
- Size
- 97 MB
- Age 4+
- Updated
- Sep 7
- 2026 · v3.4.0
Screenshots
About Chouseisan
Chouseisan is a free and easy to use scheduling application that streamlines scheduling. By streamlining scheduling, you can organize all kinds of events smoothly. ■ One of the largest scheduling services in Japan This is the official application of Chouseisan, one of the largest scheduling applications in Japan with over 8 million monthly active users. ■ Streamlines scheduling for all types of events The simple user experience makes it easy for anyone to use, and it can be used for a wide range of itinerary coordination from private to business situations. ■ Just share the URL with your guests to schedule an event. You can create an event page easily by simply entering the name of the event and possible dates. In addition, the URL of the event page can be shared with guests via chat, etc., for easy scheduling. ■ Completely free of charge Chouseisan is completely free of charge.
Ratings & reviews
4.9
43 ratings
What’s new
Version 3.4.0 · Updated September 7, 2026
Thanks for using Chouseisan! Here’s what’s new in this update: • A special app icon celebrating our 20th anniversary • Event sharing now includes only the event name and URL • Minor bug fixes on some devices We’ll keep working to make Chouseisan even better and easier to use.
App privacy
The developer, Mixtend Inc., reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
- Usage Data: Advertising Data
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Advertising Data, Product Interaction
Used for: Third-Party Advertising, Analytics
Alternatives to Chouseisan
Looking for apps like Chouseisan? Here are 6 similar apps on the App Store. The highest rated is IC-Reader (4.9/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Chouseisan | 4.9 / 5 (43 ratings) | Free | September 7, 2026 | |
| Aitemasu mobile | – | Free | Sep 15, 2026 | Compare |
| kintone | – | Free | Sep 13, 2026 | Compare |
| IC-Reader | 4.9 / 5 (395) | Free | Aug 13, 2026 | Compare |
| AI Assistant kun - chat, essay | 4.7 / 5 (743) | Free | May 20, 2026 | Compare |
| Notta Transcribe Voice to Text | 4.1 / 5 (1,451) | Free | Sep 24, 2026 | Compare |
| Taska: To-Do List & Planner | 4.9 / 5 (193) | Free | Sep 25, 2026 | Compare |
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