# YYProbe vs Chouseisan

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.

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 18, 2026 respectively.

## The numbers

| Metric | YYProbe | Chouseisan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (40 ratings)](https://appshunter.io/ios/app/chouseisan/id6448971739/reviews)** |
| Number of ratings | — | **40** |
| Positive reviews | 66.7% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | **Free** | Ad-supported |
| Size | 139 MB | 97 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社エクォス・リサーチ](https://appshunter.io/developer/1483010608) | [Mixtend Inc.](https://appshunter.io/developer/1687241996) |

## What reviewers say

### YYProbe

[App page](https://appshunter.io/ios/app/yyprobe/id1493896577)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Chouseisan

[App page](https://appshunter.io/ios/app/chouseisan/id6448971739)

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.

**Highlights:** Streamlines event scheduling, Organizes private and business events, Easy event page creation, Shareable event URLs, Large user base in Japan

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is YYProbe free?

YYProbe is free to download, with no in-app purchases.

### Is Chouseisan free?

Chouseisan is free to download, with no in-app purchases.

### Do YYProbe or Chouseisan have ads?

Chouseisan shows ads; YYProbe does not.

### Which is updated more often, YYProbe or Chouseisan?

YYProbe ships an update every 2 days, and Chouseisan fortnightly. Most recently, YYProbe was updated on October 7, 2026 and Chouseisan on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*