AI vs Chouseisan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI
Access and view document files related to construction sites. Offers image classification and KYT features with various subscription plans for unlimited image access.
- View construction site documents
- Image classification
- KYT features
- Unlimited image access
- Free trial periods
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• 建築現場に関するドキュメントファイルを閲覧できます。
Chouseisan
This free scheduling app simplifies organizing events for both personal and professional use. Easily create event pages and share URLs to coordinate with guests, making it a top choice for smooth itinerary planning.
- Streamlines event scheduling
- Organizes private and business events
- Easy event page creation
- Shareable event URLs
- 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 in-app purchases: Chouseisan at none against AI's 3. Chouseisan also leads on ratings volume (40 vs 2). AI's advantage is ads (none vs shown) and rating (5.0 vs 4.8). On price, update cadence 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. AI sells 3 in-app purchases, starting at $0.99 per month. Chouseisan asks for nothing beyond the download.
AI holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Chouseisan has 40 ratings behind it against 2, so its average is the more settled of the two.
AI ships an update every 3 weeks, Chouseisan fortnightly. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.
| Parameter | AI | Chouseisan |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.8 (40 ratings) |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | 2 | 40 — better |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Ad-supported — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 38 MB | 97 MB |
| Age rating | 4+ | 4+ |
| Developer | watanabe takeshi | Mixtend Inc. |
Customer experience
AI
Chouseisan
In-app purchases
AI
- KYT6 Months trial$0.991 Month
- Image Classification7 Days trial$0.991 Month
- 無制限の画像6 Months trial$2.491 Month
Chouseisan
No in-app purchases









