# カクヨムViewer vs なろうブック

The clearest difference is rating: なろうブック at 5.0 against カクヨムViewer's 4.7. なろうブック also leads on review sentiment (30% vs 13%) and iOS requirement (16.0 vs 18.6). カクヨムViewer's advantage is ratings volume (48 vs 4). On price, update cadence, ads and in-app purchases there is nothing between them.

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

なろうブック holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: カクヨムViewer has 48 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 13% of カクヨムViewer's written reviews are positive against 30% of なろうブック's.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | カクヨムViewer | なろうブック |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (48 ratings)](https://appshunter.io/ios/app/viewer-web/id1081762516/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/id1583948518/reviews)** |
| Number of ratings | **48** | 4 |
| Positive reviews | 12.5% of reviews | **30.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 55 MB | 29 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [KADOKAWA CORPORATION](https://appshunter.io/developer/986639480) | [Jun Higai](https://appshunter.io/developer/1583948520) |

## What reviewers say

### 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


### なろうブック

[App page](https://appshunter.io/ios/app/id1583948518)

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

**In-app purchases:** none


## Frequently asked questions

### Is カクヨムViewer free?

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

### Is なろうブック free?

なろうブック is free to download, with no in-app purchases.

### Which has better reviews, カクヨムViewer or なろうブック?

なろうブック is rated higher. カクヨムViewer averages 4.7 out of 5 from 48 ratings, while なろうブック averages 5.0 from 4 ratings.

### Do カクヨムViewer or なろうブック have ads?

Both カクヨムViewer and なろうブック show ads.

### Which is updated more often, カクヨムViewer or なろうブック?

カクヨムViewer ships an update fortnightly, and なろうブック fortnightly. Most recently, カクヨムViewer was updated on September 25, 2026 and なろうブック on September 23, 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.*