# Barrx™ RFA simulator vs GI_Calc

The clearest difference is device support: GI_Calc at 3 against Barrx™ RFA simulator's 1. Barrx™ RFA simulator's advantage is iOS requirement (9.0 vs 12.0). On price, ads and in-app purchases 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 | Barrx™ RFA simulator | GI_Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 207 MB | 27 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Medtronic, Inc.](https://appshunter.io/developer/445860677) | [Chien-hung Lu](https://appshunter.io/developer/1540765255) |

## What reviewers say

### Barrx™ RFA simulator

[App page](https://appshunter.io/ios/app/barrx-rfa-simulator/id1516532304)

**In-app purchases:** none


### GI_Calc

[App page](https://appshunter.io/ios/app/gi-calc/id6740738820)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Barrx™ RFA simulator free?

Barrx™ RFA simulator is free to download, with no in-app purchases.

### Is GI_Calc free?

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

### Do Barrx™ RFA simulator or GI_Calc have ads?

Neither Barrx™ RFA simulator nor GI_Calc 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.*