app4sail lite vs NaAVIC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
app4sail lite
This nautical navigation application utilizes free S57 vector charts for charting. It provides essential navigation tools for mariners on iOS devices.
- S57 nautical vector charts
- Free chart usage
- Nautical navigation
- iOS compatible
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nautical navigation app. Uses free S57 nautical vector charts
NaAVIC
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.
- 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
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NaAVIC is a free Electronic Chart System in your pocket that will make marine navigation easy, safe, reliable, and fun. This free app is for recreational boaters who want to navigate the surrounding waters safely while exploring new and interesting locations to fish, dive, eat etc. The app offers a range of features to make marine navigation easier and reliable that are delivered through a clear and intuitive interface designed specifically for mobile devices and tablets. By utilizing a cloud-based approach with data streaming, the NaAVIC ECS enables all members of an expedition to more actively engage in the voyage as well as to share that voyage with fellow ‘marine friends’, hence building a community of like-minded users. Features: - Supports IHO S-57 charts and S-52 presentation - Comprehensive route creation and navigation - Offline navigation - Displays boat position, speed, and course - Notifications and alarms - Find recreational hotspots - Measure distances - Stream additional data layers over the base map - Point of Interest Quick Start Guide: https://naavic.net/NaAVICQuickStarGuide.pdf
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | app4sail lite | NaAVIC |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 33.3% of reviews — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 4 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 9 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | anton van oosten | IIC |
Customer experience
app4sail lite
NaAVIC
In-app purchases
app4sail lite
No in-app purchases
NaAVIC
No in-app purchases









