# 読書メモ vs Web Grave

The clearest difference is update cadence: Web Grave at every 4 days against 読書メモ's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 読書メモ sells 1 one-off in-app purchase and Web Grave sells 6 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

読書メモ ships an update every 3 months, Web Grave every 4 days. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 読書メモ | Web Grave |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 52.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 1 MB | 160 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [enaksoft.com](https://appshunter.io/developer/521038978) | [Web Grave Inc.](https://appshunter.io/developer/1804106298) |

## What reviewers say

### 読書メモ

[App page](https://appshunter.io/ios/app/id541494849)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| データ追加の回数制限解除 | $1.99 | one-time |


### Web Grave

[App page](https://appshunter.io/ios/app/web-grave/id6743707452)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1人〜5人月額プラン | $1.99 | per month |
| 1人〜10人月額プラン | $2.99 | per month |
| 1人〜20人月額プラン | $5.99 | per month |
| 1人〜5人年額プラン | $19.99 | per year |
| 1人〜10人年額プラン | $34.99 | per year |
| 1人〜20人年額プラン | $59.99 | per year |


## Frequently asked questions

### Is 読書メモ free?

読書メモ is free to download, with in-app purchases available.

### Is Web Grave free?

Web Grave is free to download, with in-app purchases available.

### Do 読書メモ or Web Grave have ads?

Neither 読書メモ nor Web Grave shows ads.

### Which is updated more often, 読書メモ or Web Grave?

読書メモ ships an update every 3 months, and Web Grave every 4 days. Most recently, 読書メモ was updated on October 16, 2026 and Web Grave on October 8, 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.*