# NautNav vs GPS Speedometer & Odometer HUD

The clearest difference is in-app purchases: GPS Speedometer & Odometer HUD at none against NautNav's 2. NautNav's advantage is update cadence (every 5 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NautNav sells 2 in-app purchases, starting at $9.99 per month. GPS Speedometer & Odometer HUD asks for nothing beyond the download.

NautNav ships an update every 5 days, GPS Speedometer & Odometer HUD monthly. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | NautNav | GPS Speedometer & Odometer HUD |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 48 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [HEVI SERVICOS LTDA](https://appshunter.io/developer/1893740307) | [Good Technalogy LLC](https://appshunter.io/developer/1838451228) |

## What reviewers say

### NautNav

[App page](https://appshunter.io/ios/app/nautnav/id6762306465)

This app acts as a "Waze of the sea" for boaters, offering intelligent route planning with a focus on safety. It provides offline nautical maps, weather forecasts, and tools for managing your boat and crew.

**Highlights:** Safe route planning with safety system, Community-verified tracks, Weather and tides along course, Offline nautical maps, Boat and crew management, Fuel and maintenance logs

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NautNav Captain Monthly | $9.99 | per month |
| NautNav Captain Annual | $69.99 | per year |


### GPS Speedometer & Odometer HUD

[App page](https://appshunter.io/ios/app/gps-speedometer-and-odometer-hud/id6782288044)

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

**In-app purchases:** none


## Frequently asked questions

### Is NautNav free?

NautNav is free to download, with in-app purchases available.

### Is GPS Speedometer & Odometer HUD free?

GPS Speedometer & Odometer HUD is free to download, with no in-app purchases.

### Do NautNav or GPS Speedometer & Odometer HUD have ads?

Neither NautNav nor GPS Speedometer & Odometer HUD shows ads.

### Which is updated more often, NautNav or GPS Speedometer & Odometer HUD?

NautNav ships an update every 5 days, and GPS Speedometer & Odometer HUD monthly. Most recently, NautNav was updated on November 9, 2026 and GPS Speedometer & Odometer HUD on November 10, 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.*