# PrefixCalc vs CalculatorHQ

The clearest difference is iOS requirement: PrefixCalc at 12.0 against CalculatorHQ's 15.1. 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 | CalculatorHQ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 28 MB | 24 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YONAGARE LAB](https://appshunter.io/developer/1810986554) | [ANTHONY ALAN RICE](https://appshunter.io/developer/6772780352) |

## What reviewers say

### PrefixCalc

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

**Features:** macOS Compatibility

**In-app purchases:** none


### CalculatorHQ

[App page](https://appshunter.io/ios/app/calculatorhq/id6772780350)

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

**In-app purchases:** none


## Frequently asked questions

### Is PrefixCalc free?

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

### Is CalculatorHQ free?

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

### Do PrefixCalc or CalculatorHQ have ads?

Neither PrefixCalc nor CalculatorHQ 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.*