# 特許情報保存 vs 漢字ルーペ（漢字拡大 v2）

The clearest difference is in-app purchases: 特許情報保存 at none against 漢字ルーペ（漢字拡大 v2）'s 1. 特許情報保存 also leads on iOS requirement (11.0 vs 26.0). 漢字ルーペ（漢字拡大 v2）'s advantage is ads (none vs shown) and update cadence (daily vs every 2 months). On price and device support there is nothing between them.

Both are free to download. 漢字ルーペ（漢字拡大 v2） sells 1 one-off in-app purchase. 特許情報保存 asks for nothing beyond the download.

特許情報保存 ships an update every 2 months, 漢字ルーペ（漢字拡大 v2） daily. The most recent releases landed on October 13, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 特許情報保存 | 漢字ルーペ（漢字拡大 v2） |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Daily** |
| Size | 18 MB | 20 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) | [YOSHIHIRO TAKAHASHI](https://appshunter.io/developer/574193873) |

## What reviewers say

### 特許情報保存

[App page](https://appshunter.io/ios/app/id1532651790)

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

**In-app purchases:** none


### 漢字ルーペ（漢字拡大 v2）

[App page](https://appshunter.io/ios/app/v2/id6763141758)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 試用期間の制限解除（買い切り） | $3.99 | one-time |


## Frequently asked questions

### Is 特許情報保存 free?

特許情報保存 is free to download, with no in-app purchases.

### Is 漢字ルーペ（漢字拡大 v2） free?

漢字ルーペ（漢字拡大 v2） is free to download, with in-app purchases available.

### Do 特許情報保存 or 漢字ルーペ（漢字拡大 v2） have ads?

特許情報保存 shows ads; 漢字ルーペ（漢字拡大 v2） does not.

### Which is updated more often, 特許情報保存 or 漢字ルーペ（漢字拡大 v2）?

特許情報保存 ships an update every 2 months, and 漢字ルーペ（漢字拡大 v2） daily. Most recently, 特許情報保存 was updated on October 13, 2026 and 漢字ルーペ（漢字拡大 v2） on October 28, 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.*