# eFRS vs NAVsystem Briefing App

The clearest difference is device support: NAVsystem Briefing App at 3 against eFRS's —. eFRS's advantage is iOS requirement (13.0 vs 15.1). On price 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 | eFRS | NAVsystem Briefing App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 6 weeks |
| Size | 38 MB | 28 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shajahan Mohamed](https://appshunter.io/developer/1469181012) | [NAV Flight Services s.r.o.](https://appshunter.io/developer/1750267713) |

## What reviewers say

### eFRS

[App page](https://appshunter.io/ios/app/efrs/id6447468046)

**In-app purchases:** none


### NAVsystem Briefing App

[App page](https://appshunter.io/ios/app/navsystem-briefing-app/id6503905286)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eFRS free?

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

### Is NAVsystem Briefing App free?

NAVsystem Briefing App is free to download, with no in-app purchases.

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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.*