# Marine Navigation Lite vs SailNav GPS

The clearest difference is in-app purchases: SailNav GPS at none against Marine Navigation Lite's 10. SailNav GPS also leads on ads (none vs shown) and update cadence (daily vs weekly). On price and device support there is nothing between them.

Both are free to download. Marine Navigation Lite sells 10 in-app purchases, starting at $0.99 per 6 months. SailNav GPS asks for nothing beyond the download.

Marine Navigation Lite ships an update weekly, SailNav GPS daily. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Marine Navigation Lite | SailNav GPS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 3.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 106 MB | 3 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Marco Palaferri](https://appshunter.io/developer/395030821) | [Ilan Hankin](https://appshunter.io/developer/6800408545) |

## What reviewers say

### Marine Navigation Lite

[App page](https://appshunter.io/ios/app/marine-navigation-lite/id609276931)

This app offers offline GPS charting for marine use, allowing users to own their maps permanently. It provides advanced navigation tools, custom map creation from any image, and respects user privacy by not tracking or selling data.

**Highlights:** Lifetime map ownership, Offline GPS charting, Custom map creation from images, Global offline tides, Fish forecast, Advanced visual waypoints

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads SixMonths | $0.99 | per 6 months |
| Monthly Subscription | $0.99 | per month |
| Remove Ads (1 Year) | $1.49 | per year |
| 6 Months  Subscription | $4.49 | per 6 months |
| Update to Full Version 6Months | $4.99 | per 6 months |
| Pro | $5.99 | per year |
| Update to Full Version 1 Year | $6.99 | per year |
| 1 Year Subscription | $7.99 | per year |
| Remove Ads Forever | $2.99 | one-time |
| Full Version Forever | $19.99 | one-time |


### SailNav GPS

[App page](https://appshunter.io/ios/app/sailnav-gps/id6800408543)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Marine Navigation Lite free?

Marine Navigation Lite is free to download, with in-app purchases available.

### Is SailNav GPS free?

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

### Do Marine Navigation Lite or SailNav GPS have ads?

Marine Navigation Lite shows ads; SailNav GPS does not.

### Which is updated more often, Marine Navigation Lite or SailNav GPS?

Marine Navigation Lite ships an update weekly, and SailNav GPS daily. Most recently, Marine Navigation Lite was updated on November 1, 2026 and SailNav GPS on October 31, 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.*