# Marine Navigation Lite vs app4sail

The clearest difference is price: Marine Navigation Lite at Free against app4sail's $4.99. Marine Navigation Lite also leads on update cadence (weekly vs every 4 months). app4sail's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support there is nothing between them.

Marine Navigation Lite is free to download; app4sail costs $4.99 up front. Marine Navigation Lite sells 10 in-app purchases, starting at $0.99 per 6 months. app4sail asks for nothing beyond the download.

Marine Navigation Lite ships an update weekly, app4sail every 4 months. The most recent releases landed on September 25, 2026 and June 7, 2026 respectively.

## The numbers

| Metric | Marine Navigation Lite | app4sail |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | 3.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 106 MB | 10 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Marco Palaferri](https://appshunter.io/developer/395030821) | [anton van oosten](https://appshunter.io/developer/641322651) |

## 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 |


### app4sail

[App page](https://appshunter.io/ios/app/app4sail/id641578574)

**Features:** macOS Compatibility

**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 app4sail free?

app4sail costs $4.99, with no in-app purchases.

### Do Marine Navigation Lite or app4sail have ads?

Marine Navigation Lite shows ads; app4sail does not.

### Which is updated more often, Marine Navigation Lite or app4sail?

Marine Navigation Lite ships an update weekly, and app4sail every 4 months. Most recently, Marine Navigation Lite was updated on September 25, 2026 and app4sail on June 7, 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.*