# CAS Comment Viewer vs ちえちゃんと秋ちゃん For YouTube LIVE

The clearest difference is in-app purchases: CAS Comment Viewer at none against ちえちゃんと秋ちゃん For YouTube LIVE's 2. CAS Comment Viewer also leads on iOS requirement (10.0 vs 15.1). ちえちゃんと秋ちゃん For YouTube LIVE's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. ちえちゃんと秋ちゃん For YouTube LIVE sells 2 in-app purchases, starting at $2.99 per month. CAS Comment Viewer asks for nothing beyond the download.

CAS Comment Viewer ships an update every 2 months, ちえちゃんと秋ちゃん For YouTube LIVE every 4 days. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CAS Comment Viewer | ちえちゃんと秋ちゃん For YouTube LIVE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 23 MB | 33 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [MASAKI SATO](https://appshunter.io/developer/949343281) | [RYUNOSUKE NAKAMURA](https://appshunter.io/developer/1894596105) |

## What reviewers say

### CAS Comment Viewer

[App page](https://appshunter.io/ios/app/cas-comment-viewer/id949343282)

View and save comments and screenshots from TwitCasting live streams. Auto-reloading comments and user search functionality enhance the viewing experience. Easily capture and share moments from broadcasts.

**Highlights:** View TwitCasting comments, Save and share screenshots, Auto-reloading comments, Search TwitCasting users, Hide screenshots in comment list

**Features:** macOS Compatibility

**In-app purchases:** none


### ちえちゃんと秋ちゃん For YouTube LIVE

[App page](https://appshunter.io/ios/app/for-youtube-live/id6762540311)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| APIキー不要ライトPro | $2.99 | per month |
| LitePro 2分お試し | $0.49 | one-time |


## Frequently asked questions

### Is CAS Comment Viewer free?

CAS Comment Viewer is free to download, with no in-app purchases.

### Is ちえちゃんと秋ちゃん For YouTube LIVE free?

ちえちゃんと秋ちゃん For YouTube LIVE is free to download, with in-app purchases available.

### Do CAS Comment Viewer or ちえちゃんと秋ちゃん For YouTube LIVE have ads?

Neither CAS Comment Viewer nor ちえちゃんと秋ちゃん For YouTube LIVE shows ads.

### Which is updated more often, CAS Comment Viewer or ちえちゃんと秋ちゃん For YouTube LIVE?

CAS Comment Viewer ships an update every 2 months, and ちえちゃんと秋ちゃん For YouTube LIVE every 4 days. Most recently, CAS Comment Viewer was updated on November 1, 2026 and ちえちゃんと秋ちゃん For YouTube LIVE on October 25, 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.*
