About
This free, ad-free app provides offline nautical charts for Finnish waters. It offers real-time GPS positioning, trip recording, measurement tools, and weather forecasts. Live AIS data shows other vessels, and you can download areas for offline use.
What's New in Luotsi
0.4.4
August 24, 2026
Uutta: • Oma vene — veneen tiedot (syväys, korkeus, matkavauhti, kulutus, MMSI) ja kuva Tiedot-välilehdellä auto-reititystä varten (tulossa pian) • Useampi vene ja käytössä olevan valinta • Valittu karttapohja ja lisätasot muistetaan uudelleenkäynnistyksen yli • Matkan ja reitin sivuilla Näytä kartalla- ja Vie GPX -painikkeet • Kaikki ajetut matkat voi viedä yhteen GPX-tiedostoon
MoreFAQ
What is Luotsi?
Luotsi is a free, ad-free nautical chart application for Finnish waters. It provides offline maps, real-time GPS positioning, trip recording, and weather information for boaters.
Is Luotsi suitable for official navigation?
No, Luotsi uses open data that is not suitable for official navigation and is not an official nautical chart. Always carry official charts and equipment and do not use Luotsi as your sole navigation tool.
Does Luotsi have ads?
No, Luotsi is completely ad-free. The developers have stated there are no advertisements or ad SDKs in the application.
Can I use Luotsi offline?
Yes, Luotsi supports offline use. You can download specific areas for offline access, allowing you to see your location on Finnish charts even without a cellular signal.
What devices does Luotsi support?
Luotsi is available for iPhone, iPad, and iPod. It is designed to work on iOS devices.
How often is Luotsi updated?
The latest version, 0.2.1, was released on July 22, 2026, indicating recent development activity. The app was initially released on July 15, 2026.
What is the user rating for Luotsi?
Luotsi has a perfect rating of 5.0 stars from 1 rating, suggesting a very positive initial user experience.
Does Luotsi track user location?
Luotsi prioritizes privacy. Your location does not leave your device, and there are no accounts, tracking, or analytics/ad SDKs. Weather data is sent with coordinates rounded to approximately 1 km accuracy.