# まとめサイトビューア vs Otona

The clearest difference is rating: まとめサイトビューア at 4.5 against Otona's 3.0. まとめサイトビューア also leads on ratings volume (213 vs 1). Otona's advantage is ads (none vs shown) and update cadence (weekly vs every 3 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

まとめサイトビューア holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: まとめサイトビューア has 213 ratings behind it against 1, so its average is the more settled of the two.

まとめサイトビューア ships an update every 3 months, Otona weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | まとめサイトビューア | Otona |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (213 ratings)](https://appshunter.io/ios/app/mt2/id406613151/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/otona-matome-app/id1450779146/reviews) |
| Number of ratings | **213** | 1 |
| Positive reviews | 41.9% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 11 MB | 67 MB |
| Requires iOS | 15.6 | **11.3** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Trysail Inc.](https://appshunter.io/developer/379806666) | [Kai Inui](https://appshunter.io/developer/1517676483) |

## What reviewers say

### まとめサイトビューア

[App page](https://appshunter.io/ios/app/mt2/id406613151)

Access over 2 million articles from more than 100 summary sites, including 2ch summaries. Optimized for iPhone display, this app offers fast loading, intuitive navigation, and powerful search capabilities. Save images, manage bookmarks, and customize your viewing experience.

**Highlights:** Browse 100+ summary sites, Search 2 million+ articles, Optimized iPhone display, Image saving, Bookmark functionality, Article filtering

**Features:** macOS Compatibility

**In-app purchases:** none


### Otona

[App page](https://appshunter.io/ios/app/otona-matome-app/id1450779146)

Discover humorous news from Japan presented in a chat interface. Organize articles by recency, search through a vast collection, and save your favorites with private notes.

**Highlights:** Funny Japanese news, Chat UI presentation, Sort articles by date, Search millions of articles, Bookmark favorite articles, Add private notes to articles

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

**In-app purchases:** none


## Frequently asked questions

### Is まとめサイトビューア free?

まとめサイトビューア is free to download, with no in-app purchases.

### Is Otona free?

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

### Which has better reviews, まとめサイトビューア or Otona?

まとめサイトビューア is rated higher. まとめサイトビューア averages 4.5 out of 5 from 213 ratings, while Otona averages 3.0 from 1 ratings.

### Do まとめサイトビューア or Otona have ads?

まとめサイトビューア shows ads; Otona does not.

### Which is updated more often, まとめサイトビューア or Otona?

まとめサイトビューア ships an update every 3 months, and Otona weekly. Most recently, まとめサイトビューア was updated on October 26, 2026 and Otona 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.*