# カクヨムViewer vs ヨンダラ｜読書メモをタスクに変える

The clearest difference is in-app purchases: カクヨムViewer at none against ヨンダラ｜読書メモをタスクに変える's 2. ヨンダラ｜読書メモをタスクに変える's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. ヨンダラ｜読書メモをタスクに変える sells 2 in-app purchases, starting at $2.99 per month. カクヨムViewer asks for nothing beyond the download.

カクヨムViewer ships an update fortnightly, ヨンダラ｜読書メモをタスクに変える every 10 days. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | カクヨムViewer | ヨンダラ｜読書メモをタスクに変える |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (49 ratings)](https://appshunter.io/ios/app/viewer-web/id1081762516/reviews)** | — |
| Number of ratings | **49** | — |
| Positive reviews | 12.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 9 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 12+ | 12+ |
| Developer | [株式会社KADOKAWA](https://appshunter.io/developer/986639480) | [MUTO TATSUMA](https://appshunter.io/developer/6792245152) |

## 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


### ヨンダラ｜読書メモをタスクに変える

[App page](https://appshunter.io/ios/app/id6796624818)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（月額） | $2.99 | per month |
| プレミアム（年額） | $29.99 | per year |


## 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 ヨンダラ｜読書メモをタスクに変える free?

ヨンダラ｜読書メモをタスクに変える is free to download, with in-app purchases available.

### Do カクヨムViewer or ヨンダラ｜読書メモをタスクに変える have ads?

カクヨムViewer shows ads; ヨンダラ｜読書メモをタスクに変える does not.

### Which is updated more often, カクヨムViewer or ヨンダラ｜読書メモをタスクに変える?

カクヨムViewer ships an update fortnightly, and ヨンダラ｜読書メモをタスクに変える every 10 days. Most recently, カクヨムViewer was updated on October 23, 2026 and ヨンダラ｜読書メモをタスクに変える on October 9, 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.*