apps / 433950540
iSailGPS : NOAA USA RNC Charts
Marine Nautical Chart Plotter
James Associates Inc. · Navigation · $7.99 · US storefront
- rating
- 3.9 ★
- ratings
- 71
- updated
- Apr 24, 2026
- released
- Apr 29, 2011
v9.6.9
visible word pool · 9 words
title 30/30 chars · subtitle 29/30 chars
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of iSailGPS : NOAA USA RNC Charts's pool that are public — the keyword field is not exposed by any API.
from the listing
Unleash the navigation potential of your iPhone or iPad with SailGPS! Turn your device into a high-performance GPS receiver with USA NOAA Raster Nautical Charts, even without a cell signal! Rated “Best Choice — Excellent” by Practical-Sailor.com Caught in a storm on the water and your chart plotter fails? Don't worry! Download this app now and regain full navigation capabilities to safely return to port. Better yet, buy iSailGPS today ensuring you're prepared for any…
latest US reviews
★★★★★
E Norm
Great App! Had it about 6 years now and it’s awesome, nothing better available in its class!
— Enormish
★★★★★
Simple accurate actual charts
I miss charts. This is by far my favorite app for sailing. No distractions, just clear accurate markings on a proper chart!
— Dubitoff
★★★★★
Poor chart management
The main problem for me is the inability to stitch together a see less chart and being able to get the best detail for the area automatically. I’ve been playing with app for awhile now and when I get to the chart boundary I can often get the next chart to show by double tapping…
— StewartGriffin
Newest first, from Apple's public reviews feed. Agents can pull hundreds per storefront with the reviews tool.
Where does it rank? Chart position is one signal — most installs come from keyword search. Check where iSailGPS : NOAA USA RNC Charts ranks for any keyword, free, with the rank checker.
this page is one tool call
{ "tool": "app", "arguments": { "appId": 433950540, "countries": [ "US" ], "subtitle": true } }
The app tool returns this listing as stable JSON for any storefront — one of thirteen ASO tools your agent gets over MCP. Get a free key.