# PrefixCalc vs Calculator Pro

The clearest difference is iOS requirement: PrefixCalc at 12.0 against Calculator Pro's 17.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | PrefixCalc | Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Monetization | — | Free |
| Size | 28 MB | 7 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YONAGARE LAB](https://appshunter.io/developer/1810986554) | [LOVE ORANGE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1548268443) |

## What reviewers say

### PrefixCalc

[App page](https://appshunter.io/ios/app/prefixcalc/id6748650037)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator Pro

[App page](https://appshunter.io/ios/app/calculator-pro-sci-calculator/id6764511855)

This comprehensive toolkit offers standard and scientific calculations, currency and unit conversions, and financial planning tools. It features a clean interface with multi-language support and customizable options for everyday math needs.

**Highlights:** Standard and scientific calculator modes, Real-time currency conversion, Extensive unit converter, Mortgage and finance estimators, Calculation history and widget, Multi-language support, Dark Mode

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

**In-app purchases:** none


## Frequently asked questions

### Is PrefixCalc free?

PrefixCalc is free to download, with no in-app purchases.

### Is Calculator Pro free?

Calculator Pro is free to download, with no in-app purchases.

### Do PrefixCalc or Calculator Pro have ads?

Neither PrefixCalc nor Calculator Pro shows ads.

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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.*