# iBunkoS vs ワイン王国

The clearest difference is review sentiment: iBunkoS at 58% against ワイン王国's 0%. iBunkoS also leads on in-app purchases (none vs 3) and chart position (#61 vs unranked). ワイン王国's advantage is price (Free vs $2.99) and iOS requirement (6.1 vs 12.0). On update cadence, ads and device support there is nothing between them.

ワイン王国 is free to download; iBunkoS costs $2.99 up front. ワイン王国 sells 3 in-app purchases, starting at $12.99 per 2 months. iBunkoS asks for nothing beyond the download.

iBunkoS ships an update every 2 months, ワイン王国 every 4 months. The most recent releases landed on September 27, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | iBunkoS | ワイン王国 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/ibunkos/id418102178/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | **58.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | — |
| Best chart rank | **#61** | — |
| Size | 34 MB | 17 MB |
| Requires iOS | 12.0 | **6.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DWANGO Co., Ltd.](https://appshunter.io/developer/297539595) | [DENTSU INC.](https://appshunter.io/developer/326362308) |

## What reviewers say

### iBunkoS

[App page](https://appshunter.io/ios/app/ibunkos/id418102178)

**Currently charting:** #61 Top Paid · Book (US App Store)

This app offers a realistic paper book reading experience on your iPhone, supporting various file formats like TXT, PDF, and comics. It includes features like a digital bookshelf, bookmarking with notes, and dictionary lookups.

**Highlights:** Realistic paper book interface, Supports TXT, PDF, CBZ, CBR files, 230+ built-in books and Aozora Bunko access, Customizable bookshelf and bookmarks, File transfer via USB, cloud, and servers, Dictionary lookup integration, Passcode lock for privacy

**Features:** Vision Pro support

**In-app purchases:** none


### ワイン王国

[App page](https://appshunter.io/ios/app/id537616533)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ワイン王国 | $12.99 | per 2 months |
| ワイン王国 | $34.99 | per 6 months |
| ワイン王国 | $69.99 | per year |


## Frequently asked questions

### Is iBunkoS free?

iBunkoS costs $2.99, with no in-app purchases.

### Is ワイン王国 free?

ワイン王国 is free to download, with in-app purchases available.

### Do iBunkoS or ワイン王国 have ads?

Neither iBunkoS nor ワイン王国 shows ads.

### Which is updated more often, iBunkoS or ワイン王国?

iBunkoS ships an update every 2 months, and ワイン王国 every 4 months. Most recently, iBunkoS was updated on September 27, 2026 and ワイン王国 on September 17, 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.*