# WinopsEFB vs NAVsystem Briefing App

WinopsEFB and NAVsystem Briefing App are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

WinopsEFB ships an update monthly, NAVsystem Briefing App every 6 weeks. The most recent releases landed on September 17, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | WinopsEFB | NAVsystem Briefing App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 128 MB | 28 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [cbl electronics AG](https://appshunter.io/developer/1319501251) | [NAV Flight Services s.r.o.](https://appshunter.io/developer/1750267713) |

## What reviewers say

### WinopsEFB

[App page](https://appshunter.io/ios/app/winopsefb/id1658512830)

**Features:** macOS Compatibility

**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 WinopsEFB free?

WinopsEFB 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.

### Do WinopsEFB or NAVsystem Briefing App have ads?

Neither WinopsEFB nor NAVsystem Briefing App shows ads.

### Which is updated more often, WinopsEFB or NAVsystem Briefing App?

WinopsEFB ships an update monthly, and NAVsystem Briefing App every 6 weeks. Most recently, WinopsEFB was updated on September 17, 2026 and NAVsystem Briefing App on June 2, 2026.

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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.*