# app4sail lite vs NaAVIC

The clearest difference is rating: NaAVIC at 5.0 against app4sail lite's 1.0. NaAVIC also leads on review sentiment (33% vs 0%). On price, ratings volume, update cadence and ads there is nothing between them.

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

NaAVIC holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of app4sail lite's written reviews are positive against 33% of NaAVIC's.

app4sail lite ships an update every 4 months, NaAVIC every 6 months. The most recent releases landed on September 10, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | app4sail lite | NaAVIC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/app4sail-lite/id641322268/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/naavic/id1421111946/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 9 MB | 20 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [anton van oosten](https://appshunter.io/developer/641322651) | [IIC](https://appshunter.io/developer/1421111945) |

## What reviewers say

### app4sail lite

[App page](https://appshunter.io/ios/app/app4sail-lite/id641322268)

This nautical navigation application utilizes free S57 vector charts for charting. It provides essential navigation tools for mariners on iOS devices.

**Highlights:** S57 nautical vector charts, Free chart usage, Nautical navigation, iOS compatible

**Features:** macOS Compatibility

**In-app purchases:** none


### NaAVIC

[App page](https://appshunter.io/ios/app/naavic/id1421111946)

This free marine navigation app simplifies boating for recreational users. It offers chart support, route planning, and offline capabilities to explore new locations safely and reliably. Connect with other boaters and share your voyages.

**Highlights:** Electronic chart support (IHO S-57/S-52), Route creation and navigation, Offline navigation capability, Boat position, speed, and course display, Notifications and alarms, Recreational hotspot finder, Distance measurement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is app4sail lite free?

app4sail lite is free to download, with no in-app purchases.

### Is NaAVIC free?

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

### Which has better reviews, app4sail lite or NaAVIC?

NaAVIC is rated higher. app4sail lite averages 1.0 out of 5 from 1 ratings, while NaAVIC averages 5.0 from 1 ratings.

### Do app4sail lite or NaAVIC have ads?

Neither app4sail lite nor NaAVIC shows ads.

### Which is updated more often, app4sail lite or NaAVIC?

app4sail lite ships an update every 4 months, and NaAVIC every 6 months. Most recently, app4sail lite was updated on September 10, 2026 and NaAVIC on June 3, 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.*