# Kinoppy（キノッピー） vs カクヨムViewer

Kinoppy（キノッピー） and カクヨムViewer both sit at 4.7 stars, but that hides the real split: 54% of Kinoppy（キノッピー）'s written reviews are positive against 16% of カクヨムViewer's. Kinoppy（キノッピー） also leads on ads (none vs shown) and ratings volume (724 vs 50). カクヨムViewer's advantage is in-app purchases (none vs 10) and update cadence (fortnightly vs every 2 months). On price, rating, monetization model and device support there is nothing between them.

Both are free to download. Kinoppy（キノッピー） sells 10 one-off in-app purchases. カクヨムViewer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Kinoppy（キノッピー） against 4.7 for カクヨムViewer. That said, the two scores are not equally well evidenced: Kinoppy（キノッピー） has 724 ratings behind it against 50, so its average is the more settled of the two. Written reviews are what separate them: 54% of Kinoppy（キノッピー）'s written reviews are positive against 16% of カクヨムViewer's.

Kinoppy（キノッピー） ships an update every 2 months, カクヨムViewer fortnightly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Kinoppy（キノッピー） | カクヨムViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (724 ratings)](https://appshunter.io/ios/app/kinoppy/id434562274/reviews) | **[4.7 (50 ratings)](https://appshunter.io/ios/app/viewer-web/id1081762516/reviews)** |
| Number of ratings | **724** | 50 |
| Positive reviews | **54.1% of reviews** | 16.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 72 MB | 53 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [KINOKUNIYA COMPANY LTD.](https://appshunter.io/developer/398983084) | [KADOKAWA CORPORATION](https://appshunter.io/developer/986639480) |

## What reviewers say

### Kinoppy（キノッピー）

[App page](https://appshunter.io/ios/app/kinoppy/id434562274)

This service offers a vast selection of e-books from a major bookstore chain. Enjoy a smooth reading experience with offline access, annotation tools, and synchronized progress across devices. Discover new titles, manage your library with smart features, and earn points on purchases.

**Highlights:** Smooth and stress-free reader, Offline reading, Annotation and marker functions, Cross-device synchronization, Multiple bookshelf creation, Smart bookshelves, In-app store with points

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 400円の電子書籍 | $2.99 | one-time |
| 650円の電子書籍 | $3.99 | one-time |
| 800円の電子書籍 | $4.99 | one-time |
| 600円の電子書籍 | $4.99 | one-time |
| 1000円の電子書籍 | $5.99 | one-time |
| 1100円の電子書籍 | $6.99 | one-time |
| 1200円の電子書籍 | $6.99 | one-time |
| 1500円の電子書籍 | $9.99 | one-time |
| 1,800円の電子書籍 | $9.99 | one-time |
| 2,000円の電子書籍 | $11.99 | one-time |

**What reviewers like**

- 📚 Good for reading Japanese books
- 📖 Realistic book feel
- 💻 Usable on multiple devices
- 🗺️ Region-free access for some users
- ✨ Clean and organized layout

**What reviewers complain about**

- 🐛 Frequent bugs and glitches
- 🗂️ Difficult shelf organization
- 📉 Poor performance with many books
- 🚫 Limited book selection for overseas users
- ⏳ Slow download and sync times

**Reported bugs**

- Bookshelf data disappears
- Books disappear after sync
- Shelves reset to default
- App crashes frequently
- Downloaded books disappear

**Requested features**

- Improve shelf organization and management
- Fix synchronization bugs
- Allow bulk deletion of books
- Implement background downloading for all books
- Add ability to select and download series in bulk


### カクヨムViewer

[App page](https://appshunter.io/ios/app/viewer-web/id1081762516)

This app provides access to a vast collection of web novels and light novels, including original works and fanfiction. Users can customize their reading experience with adjustable backgrounds and fonts, and enjoy offline reading. It also offers a subscription service for exclusive new titles.

**Highlights:** Browse novels by genre, Follow favorite novels, Offline reading support, Customizable reader settings, Notifications for new chapters, Support original and fanfiction works

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

**In-app purchases:** none


## Frequently asked questions

### Is Kinoppy（キノッピー） free?

Kinoppy（キノッピー） is free to download, with in-app purchases available.

### Is カクヨムViewer free?

カクヨムViewer is free to download, with no in-app purchases.

### Which has better reviews, Kinoppy（キノッピー） or カクヨムViewer?

カクヨムViewer is rated higher. Kinoppy（キノッピー） averages 4.7 out of 5 from 724 ratings, while カクヨムViewer averages 4.7 from 50 ratings.

### Do Kinoppy（キノッピー） or カクヨムViewer have ads?

カクヨムViewer shows ads; Kinoppy（キノッピー） does not.

### Which is updated more often, Kinoppy（キノッピー） or カクヨムViewer?

Kinoppy（キノッピー） ships an update every 2 months, and カクヨムViewer fortnightly. Most recently, Kinoppy（キノッピー） was updated on November 1, 2026 and カクヨムViewer on November 2, 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.*