# C3 Display Controller vs GPS Status & Satellite Sky

The clearest difference is ads: C3 Display Controller at none against GPS Status & Satellite Sky's shown. C3 Display Controller also leads on device support (3 vs 1). GPS Status & Satellite Sky's advantage is update cadence (every 4 days vs every 2 months). On price, in-app purchases and iOS requirement there is nothing between them.

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

C3 Display Controller ships an update every 2 months, GPS Status & Satellite Sky every 4 days. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | C3 Display Controller | GPS Status & Satellite Sky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (6 ratings)](https://appshunter.io/ios/app/gps-status-and-satellite-sky/id6760257609/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | — | Ad-supported |
| Size | 40 MB | 88 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [nhnhn](https://appshunter.io/developer/1839898006) | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) |

## What reviewers say

### C3 Display Controller

[App page](https://appshunter.io/ios/app/c3-display-controller/id6757577137)

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

**In-app purchases:** none


### GPS Status & Satellite Sky

[App page](https://appshunter.io/ios/app/gps-status-and-satellite-sky/id6760257609)

Display your precise location in multiple formats simultaneously, including decimal degrees, DMS, and MGRS. Save and navigate to favorite spots, and view a predicted satellite sky chart for GPS, GLONASS, and other constellations. Live Activities show key data on your Lock Screen.

**Highlights:** Multiple coordinate formats, One-tap copy of location data, Save and navigate to places, Predicted satellite sky chart, Live Activity on Lock Screen, Export saved places (CSV/GPX)

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

**In-app purchases:** none


## Frequently asked questions

### Is C3 Display Controller free?

C3 Display Controller is free to download, with no in-app purchases.

### Is GPS Status & Satellite Sky free?

GPS Status & Satellite Sky is free to download, with no in-app purchases.

### Do C3 Display Controller or GPS Status & Satellite Sky have ads?

GPS Status & Satellite Sky shows ads; C3 Display Controller does not.

### Which is updated more often, C3 Display Controller or GPS Status & Satellite Sky?

C3 Display Controller ships an update every 2 months, and GPS Status & Satellite Sky every 4 days. Most recently, C3 Display Controller was updated on October 28, 2026 and GPS Status & Satellite Sky on November 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.*