Luotsi - Marine Navigation
fi.luotsiapp.app
FreeEveryone
Key numbers
1K+Installs
n/aRating
—Released
Aug 23, 2026Updated
Listing text
Nautical chart for Finnish waters — GPS, trips, weather
I love being out on the water, but I couldn't find a nautical chart app that was easy to use, comprehensive, and free all at once. So I built one myself. Luotsi is a free, ad-free nautical chart for Finnish waters. Open the app and see your position on Finnish charts — even offline, out on the water with no signal.FEATURES• Real-time GPS position on a vector chart (smooth zooming, course-up)• Trip logging: dista…
Get this app from the API
curl -H "X-API-Key: $API_KEY" \ "https://apiplay.net/api/v1/app?id=fi.luotsiapp.app"
import requests
r = requests.get('https://apiplay.net/api/v1/app', params={'id': 'fi.luotsiapp.app'},
headers={'X-API-Key': API_KEY}, timeout=30)
data = r.json()const res = await fetch('https://apiplay.net/api/v1/app?id=fi.luotsiapp.app', {
headers: { 'X-API-Key': process.env.API_KEY },
});
const data = await res.json();$ch = curl_init('https://apiplay.net/api/v1/app?id=fi.luotsiapp.app');
curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER => true,
CURLOPT_HTTPHEADER => ['X-API-Key: ' . getenv('API_KEY')]]);
$data = json_decode(curl_exec($ch), true);1,000 free credits a month, no card needed. API reference
Screenshots
Fields in the API response
| Package name | fi.luotsiapp.app |
|---|---|
| Developer | Oskar Kallio |
| Developer website | luotsiapp.fi |
| Category | Maps & Navigation |
| Installs (exact) | 20,683 |
| Price | Free |
| In-app purchases | No |
| Ads | No |
| Content rating | Everyone |
| Current version | 0.4.4 |
| Requires Android | 7.0 |
| Last update | Aug 23, 2026 |
| Record refreshed | Oct 27, 2026 |
Most installed in Maps & Navigation
See all- Ola: Book Cab, Auto, Bike Taxi1M+ installs★ 4.8Maps & Navigation
