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

The clearest difference is price: PRiMPO 【プリンポ】書類・スキャン・データ化 OCR at Free against Calculator Pro's $6.99. 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 every 3 months). Calculator Pro's advantage is iOS requirement (12.0 vs 15.0). 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; Calculator Pro costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculator Pro ships an update every 3 months, PRiMPO 【プリンポ】書類・スキャン・データ化 OCR every 5 days. The most recent releases landed on September 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Calculator Pro | PRiMPO 【プリンポ】書類・スキャン・データ化 OCR |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/calculator-pro-simple-app/id708077489/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 25 MB | 68 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [woodsmall inc.](https://appshunter.io/developer/708077492) | [PRiSM Lab LLC (Japan)](https://appshunter.io/developer/1615696712) |

## What reviewers say

### Calculator Pro

[App page](https://appshunter.io/ios/app/calculator-pro-simple-app/id708077489)

This app offers a stylish and functional calculator with advanced features like percent, constant, exponential, and compound interest calculations. Customize themes and decimal rounding for a personalized experience.

**Highlights:** Percent calculations, Constant calculations, Exponential calculations, Compound interest calculations, Customizable themes, Customizable display, Decimal rounding settings

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Calculator Pro free?

Calculator Pro costs $6.99, with no in-app purchases.

### 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.

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

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

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

Calculator Pro ships an update every 3 months, and PRiMPO 【プリンポ】書類・スキャン・データ化 OCR every 5 days. Most recently, Calculator Pro was updated on September 7, 2026 and PRiMPO 【プリンポ】書類・スキャン・データ化 OCR on September 10, 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.*