# SkyGuardTWX vs GNSS Planning Map

The clearest difference is in-app purchases: SkyGuardTWX at none against GNSS Planning Map's 2. SkyGuardTWX also leads on iOS requirement (11.0 vs 15.0). GNSS Planning Map's advantage is update cadence (weekly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. GNSS Planning Map sells 2 in-app purchases, starting at $15.00 per month. SkyGuardTWX asks for nothing beyond the download.

SkyGuardTWX ships an update every 3 months, GNSS Planning Map weekly. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SkyGuardTWX | GNSS Planning Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skyguardtwx/id583245288/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 8 MB | 72 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SkyGuardTWX LLC](https://appshunter.io/developer/583245431) | [QAEE CONPUUTENG](https://appshunter.io/developer/1853582855) |

## What reviewers say

### 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


### GNSS Planning Map

[App page](https://appshunter.io/ios/app/gnss-planning-map-doprtkgps/id6780851262)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GNSS Monthly | $15.00 | per month |
| GNSS Yearly | $150.00 | per year |


## Frequently asked questions

### Is SkyGuardTWX free?

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

### Is GNSS Planning Map free?

GNSS Planning Map is free to download, with in-app purchases available.

### Do SkyGuardTWX or GNSS Planning Map have ads?

Neither SkyGuardTWX nor GNSS Planning Map shows ads.

### Which is updated more often, SkyGuardTWX or GNSS Planning Map?

SkyGuardTWX ships an update every 3 months, and GNSS Planning Map weekly. Most recently, SkyGuardTWX was updated on October 23, 2026 and GNSS Planning Map on October 28, 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.*