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

The clearest difference is in-app purchases: PRiMPO 【プリンポ】書類・スキャン・データ化 OCR at none against Zero Scanner's 1. PRiMPO 【プリンポ】書類・スキャン・データ化 OCR also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.2). On price, update cadence and ads there is nothing between them.

Both are free to download. Zero Scanner sells 1 one-off in-app purchase. PRiMPO 【プリンポ】書類・スキャン・データ化 OCR asks for nothing beyond the download.

PRiMPO 【プリンポ】書類・スキャン・データ化 OCR ships an update every 5 days, Zero Scanner every 8 days. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | PRiMPO 【プリンポ】書類・スキャン・データ化 OCR | Zero Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 8 days |
| Size | 68 MB | 3 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PRiSM Lab LLC (Japan)](https://appshunter.io/developer/1615696712) | [Yohei Kawazura](https://appshunter.io/developer/6782740964) |

## 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


### Zero Scanner

[App page](https://appshunter.io/ios/app/zero-scanner-pdf-scan-and-ocr/id6784901110)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OCR & Full-Text Search Pack | $3.99 | one-time |


## 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 Zero Scanner free?

Zero Scanner is free to download, with in-app purchases available.

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

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

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

PRiMPO 【プリンポ】書類・スキャン・データ化 OCR ships an update every 5 days, and Zero Scanner every 8 days. Most recently, PRiMPO 【プリンポ】書類・スキャン・データ化 OCR was updated on September 10, 2026 and Zero Scanner on September 20, 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.*