# iRisto vs CalculatorProf

The clearest difference is price: iRisto at Free against CalculatorProf's $4.99. iRisto also leads on iOS requirement (9.0 vs 11.0). On ads, in-app purchases and device support there is nothing between them.

iRisto is free to download; CalculatorProf costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | iRisto | CalculatorProf |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 19 MB | 27 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Giulio Perozzi](https://appshunter.io/developer/1088778641) | [Daniele Tona](https://appshunter.io/developer/1094664233) |

## What reviewers say

### iRisto

[App page](https://appshunter.io/ios/app/iristo/id1088778642)

**Features:** macOS Compatibility

**In-app purchases:** none


### CalculatorProf

[App page](https://appshunter.io/ios/app/calculatorprof/id6479809687)

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

**In-app purchases:** none


## Frequently asked questions

### Is iRisto free?

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

### Is CalculatorProf free?

CalculatorProf costs $4.99, with no in-app purchases.

### Do iRisto or CalculatorProf have ads?

Neither iRisto nor CalculatorProf 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.*