サイボウズ Office vs Chouseisan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
サイボウズ Office
This app provides mobile access to a cloud-based office suite for internal communication and information sharing. It facilitates smooth collaboration with team members regardless of their work location, enabling efficient task management and workflow approvals on smartphones and tablets.
- Schedule management
- Bulletin boards
- Workflow (electronic approval)
- Internal information sharing
- Mobile access for remote work
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「サイボウズ Office」の公式モバイル版アプリです。「サイボウズ Office」（クラウド版のみ対応）をお試し中・契約中の方に、無料でご利用いただけます。 スケジュール、掲示板、ワークフロー（電子決裁）など、社内の情報共有やコミュニケーションを円滑にする機能をご利用いただけます。スマートフォンやタブレットで業務に取り組めるので、外出先・現場・オフィスなど働き方がちがうメンバーとスムーズにやりとりできます。 ※ご利用には「サイボウズ Office」のログイン情報が必要です。 ■こんな人におすすめ ・営業などで外出が多い方 ・現場や店舗での作業が多く、パソコンを開く時間がない方
Chouseisan
This free scheduling app simplifies event organization for both personal and professional use. Easily create event pages and share URLs with guests to coordinate schedules efficiently. It's a top scheduling service in Japan, designed for smooth itinerary planning.
- Streamlines event scheduling
- Easy event page creation
- Shareable event URLs
- Suitable for private and business use
- Large user base in Japan
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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.
Screenshots
Verdict
The clearest difference is review sentiment: Chouseisan at 75% against サイボウズ Office's 26%. Chouseisan also leads on rating (4.9 vs 3.0) and ratings volume (43 vs 1). サイボウズ Office's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support 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.
Chouseisan holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Chouseisan has 43 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 26% of サイボウズ Office's written reviews are positive against 75% of Chouseisan's.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | サイボウズ Office | Chouseisan |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 4.9 (43 ratings) — better |
| Positive reviews | 26.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 1 | 43 — better |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 39 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | Cybozu, Inc. | Mixtend Inc. |
Customer experience
サイボウズ Office
Chouseisan
In-app purchases
サイボウズ Office
No in-app purchases
Chouseisan
No in-app purchases
