YYProbe vs Chouseisan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YYProbe
This app transforms your meeting conversations into searchable text, offering real-time transcription and analysis. It helps improve online meeting efficiency by visualizing discussions, tracking participant contributions, and providing a searchable history of past meetings. Enhance your productivity by automating note-taking and gaining insights from your discussions.
- Real-time speech-to-text transcription
- Automatic keyword categorization
- Participant speech and word frequency analysis
- Searchable conversation history
- Edit and share transcribed meetings
- Supports multi-user video calls
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■ Recommended for those who: • Want to make better use of meeting conversations • Need to visualize and analyze conversations or store them as organizational knowledge • Want to improve online meeting efficiency • Struggle with unclear audio in online meetings, making communication difficult • Want to hold meetings without being restricted to specific devices (smartphones, PCs, etc.) • Want to enhance meetings with audio, video, and subtitles • Have trouble recalling what was said in meetings, leading to unclear follow-up actions • Spend too much time creating minutes for long meetings • Need an alternative to transcription or note-taking • Manually type and record interview or meeting discussions on the spot • Use an IC recorder as a substitute for taking notes ■ Key Features of YYProbe Lite: • Supports multi-user video calls • Converts speech into text in real-time using voice recognition • Automatically categorizes registered keywords within conversations • Aggregates spoken content within a meeting, showing participant speech counts and frequently used words • Allows users to listen to and edit transcribed speech • Enables sending transcribed meeting conversations via email • Lets users search past recorded meetings using keywords • Provides access to conversation history for meetings you’ve attended • Improves speech recognition accuracy by registering frequently used words (such as names, company names, product names, or internal abbreviations) ■ Additional Features in the Enterprise Version of YYProbe: • Removes Lite version restrictions (usage time, video calls, etc.) • Integrates with the online whiteboard “YYKnowledgeboard” • Connects with the knowledge analysis system “YYAnalytics” • Links to the video-sharing app “YY Video Share” • Enhanced security and management features Note: The enterprise version requires a separate contract and a “Corporate ID” provided by our company. YYProbe brings you valuable insights! Start recording your conversations today!
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 ads: YYProbe at none against Chouseisan's shown. YYProbe also leads on update cadence (every 2 days vs fortnightly) and monetization model (free vs ad-supported). Chouseisan's advantage is review sentiment (75% vs 67%). On price, in-app purchases and iOS requirement 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.
YYProbe ships an update every 2 days, Chouseisan fortnightly. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.
| Parameter | YYProbe | Chouseisan |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (40 ratings) — better |
| Positive reviews | 66.7% of reviews | 75.0% of reviews — better |
| Number of ratings | — | 40 — better |
| Update frequency | Every 2 days — better | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.5 — better | 15.6 |
| Further details — not scored | ||
| Size | 139 MB | 97 MB |
| Age rating | 4+ | 4+ |
| Developer | 株式会社エクォス・リサーチ | Mixtend Inc. |
Customer experience
YYProbe
Chouseisan
In-app purchases
YYProbe
No in-app purchases
Chouseisan
No in-app purchases








