# PRiMPO 【プリンポ】書類・スキャン・データ化 OCR vs Keyword Highlighter

The clearest difference is price: PRiMPO 【プリンポ】書類・スキャン・データ化 OCR at Free against Keyword Highlighter's $2.99. PRiMPO 【プリンポ】書類・スキャン・データ化 OCR also leads on update cadence (every 5 days vs monthly) and iOS requirement (15.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

PRiMPO 【プリンポ】書類・スキャン・データ化 OCR is free to download; Keyword Highlighter costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PRiMPO 【プリンポ】書類・スキャン・データ化 OCR ships an update every 5 days, Keyword Highlighter monthly. Both last shipped on October 30, 2026.

## The numbers

| Metric | PRiMPO 【プリンポ】書類・スキャン・データ化 OCR | Keyword Highlighter |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Size | 68 MB | 2 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [PRiSM Lab LLC (Japan)](https://appshunter.io/developer/1615696712) | [家贺 万](https://appshunter.io/developer/1820076368) |

## What reviewers say

### PRiMPO 【プリンポ】書類・スキャン・データ化 OCR

[App page](https://appshunter.io/ios/app/primpo-ocr/id6736721045)

**Features:** macOS Compatibility

**In-app purchases:** none


### Keyword Highlighter

[App page](https://appshunter.io/ios/app/keyword-highlighter/id6755597747)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PRiMPO 【プリンポ】書類・スキャン・データ化 OCR free?

PRiMPO 【プリンポ】書類・スキャン・データ化 OCR is free to download, with no in-app purchases.

### Is Keyword Highlighter free?

Keyword Highlighter costs $2.99, with no in-app purchases.

### Do PRiMPO 【プリンポ】書類・スキャン・データ化 OCR or Keyword Highlighter have ads?

Neither PRiMPO 【プリンポ】書類・スキャン・データ化 OCR nor Keyword Highlighter shows ads.

### Which is updated more often, PRiMPO 【プリンポ】書類・スキャン・データ化 OCR or Keyword Highlighter?

PRiMPO 【プリンポ】書類・スキャン・データ化 OCR ships an update every 5 days, and Keyword Highlighter monthly. Most recently, PRiMPO 【プリンポ】書類・スキャン・データ化 OCR was updated on October 30, 2026 and Keyword Highlighter on October 30, 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.*