# CAS Comment Viewer vs ShortVideoBookmark

The clearest difference is in-app purchases: CAS Comment Viewer at none against ShortVideoBookmark's 2. CAS Comment Viewer also leads on iOS requirement (10.0 vs 17.0). ShortVideoBookmark's advantage is update cadence (every 6 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. ShortVideoBookmark sells 2 in-app purchases, starting at $0.99 per month. CAS Comment Viewer asks for nothing beyond the download.

CAS Comment Viewer ships an update every 2 months, ShortVideoBookmark every 6 days. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CAS Comment Viewer | ShortVideoBookmark |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 23 MB | 9 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [MASAKI SATO](https://appshunter.io/developer/949343281) | [YUTA TARUMI](https://appshunter.io/developer/1856082387) |

## 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


### ShortVideoBookmark

[App page](https://appshunter.io/ios/app/shortvideobookmark/id6757007174)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $0.99 | per month |
| Pro (Yearly) | $11.99 | per year |


## Frequently asked questions

### Is CAS Comment Viewer free?

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

### Is ShortVideoBookmark free?

ShortVideoBookmark is free to download, with in-app purchases available.

### Do CAS Comment Viewer or ShortVideoBookmark have ads?

Neither CAS Comment Viewer nor ShortVideoBookmark shows ads.

### Which is updated more often, CAS Comment Viewer or ShortVideoBookmark?

CAS Comment Viewer ships an update every 2 months, and ShortVideoBookmark every 6 days. Most recently, CAS Comment Viewer was updated on November 1, 2026 and ShortVideoBookmark on October 28, 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.*