# Nautilus GPS vs DMX Pixel and Flashlight

The clearest difference is price: Nautilus GPS at Free against DMX Pixel and Flashlight's $6.99. Nautilus GPS also leads on in-app purchases (none vs 1) and iOS requirement (15.6 vs 17.6). DMX Pixel and Flashlight's advantage is update cadence (daily vs every 21 months). On ads and device support there is nothing between them.

Nautilus GPS is free to download; DMX Pixel and Flashlight costs $6.99 up front. DMX Pixel and Flashlight sells 1 one-off in-app purchase. Nautilus GPS asks for nothing beyond the download.

Nautilus GPS ships an update every 21 months, DMX Pixel and Flashlight daily. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Nautilus GPS | DMX Pixel and Flashlight |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | **[1.9 (12 ratings)](https://appshunter.io/ios/app/nautilus-gps/id1176272486/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Daily** |
| Monetization | Free | — |
| Size | 1 MB | 9 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Icarus Aviation Ltd](https://appshunter.io/developer/1176272485) | [Laurent Routhier](https://appshunter.io/developer/1792415477) |

## What reviewers say

### Nautilus GPS

[App page](https://appshunter.io/ios/app/nautilus-gps/id1176272486)

This utility app uses your iPhone's camera flash to program a unique MMSI number into a compatible marine rescue GPS device. This allows the device to send Man Overboard and emergency distress signals via AIS and DSC.

**Highlights:** Program MMSI numbers, Utilizes iPhone camera flash, Sends Man Overboard messages, Sends emergency distress signals, AIS and DSC signal transmission, Selectable operating modes (AIS, DSC, both)

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

**In-app purchases:** none


### DMX Pixel and Flashlight

[App page](https://appshunter.io/ios/app/dmx-pixel-and-flashlight/id6740994438)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Development | $6.99 | one-time |


## Frequently asked questions

### Is Nautilus GPS free?

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

### Is DMX Pixel and Flashlight free?

DMX Pixel and Flashlight costs $6.99, and also offers in-app purchases.

### Do Nautilus GPS or DMX Pixel and Flashlight have ads?

Neither Nautilus GPS nor DMX Pixel and Flashlight shows ads.

### Which is updated more often, Nautilus GPS or DMX Pixel and Flashlight?

Nautilus GPS ships an update every 21 months, and DMX Pixel and Flashlight daily. Most recently, Nautilus GPS was updated on November 2, 2026 and DMX Pixel and Flashlight on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*