# FlyBy E6B vs SkyGuardTWX

The clearest difference is price: SkyGuardTWX at Free against FlyBy E6B's $9.99. SkyGuardTWX also leads on rating (5.0 vs 4.7) and iOS requirement (11.0 vs 16.6). FlyBy E6B's advantage is ratings volume (17 vs 2). On update cadence, ads, in-app purchases and device support there is nothing between them.

SkyGuardTWX is free to download; FlyBy E6B costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SkyGuardTWX holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: FlyBy E6B has 17 ratings behind it against 2, so its average is the more settled of the two.

FlyBy E6B ships an update every 2 months, SkyGuardTWX every 3 months. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | FlyBy E6B | SkyGuardTWX |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.7 (17 ratings)](https://appshunter.io/ios/app/flyby-e6b/id377624983/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/skyguardtwx/id583245288/reviews)** |
| Number of ratings | **17** | 2 |
| Positive reviews | 94.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 33 MB | 8 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lonnie Ganz](https://appshunter.io/developer/377624986) | [SkyGuardTWX LLC](https://appshunter.io/developer/583245431) |

## What reviewers say

### FlyBy E6B

[App page](https://appshunter.io/ios/app/flyby-e6b/id377624983)

This aviation tool provides pilots with over 70 essential flight calculations, including airspeed, wind, navigation, and altitude computations. It offers advanced features for both aspiring and experienced aviators, with a long history of user feedback and development.

**Highlights:** Airspeed calculations, Wind direction and speed, Heading and ground speed, Time-speed-distance calculations, Altitude calculations, Vertical navigation, Navigation calculations, Unit conversions

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

**In-app purchases:** none


### SkyGuardTWX

[App page](https://appshunter.io/ios/app/skyguardtwx/id583245288)

This companion tool wirelessly configures a UAT ADS-B Transceiver. It allows setup of parameters like N-Number, ICAO code, and flight plan squawk. Advanced models enable real-time squawk code and pressure altitude display.

**Highlights:** Wireless transceiver configuration, N-Number setup, Transponder ICAO code setting, Flight Plan/Squawk code management, Manual squawk code changes (Vision-Pro), Real-time squawk code display (Vision-Pro Plus), Pressure altitude display (Vision-Pro Plus)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FlyBy E6B free?

FlyBy E6B costs $9.99, with no in-app purchases.

### Is SkyGuardTWX free?

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

### Which has better reviews, FlyBy E6B or SkyGuardTWX?

SkyGuardTWX is rated higher. FlyBy E6B averages 4.7 out of 5 from 17 ratings, while SkyGuardTWX averages 5.0 from 2 ratings.

### Do FlyBy E6B or SkyGuardTWX have ads?

Neither FlyBy E6B nor SkyGuardTWX shows ads.

### Which is updated more often, FlyBy E6B or SkyGuardTWX?

FlyBy E6B ships an update every 2 months, and SkyGuardTWX every 3 months. Most recently, FlyBy E6B was updated on October 12, 2026 and SkyGuardTWX on October 5, 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.*