apps / 1483007345
Perpetual Nautical Almanac
Navigation
RPA Technologies · Navigation · $6.99 · US storefront
- rating
- 5.0 ★
- ratings
- 1
- updated
- Feb 10, 2025
- released
- Oct 10, 2019
v2.01
visible word pool · 4 words
title 26/30 chars · subtitle 10/30 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 Perpetual Nautical Almanac's pool that are public — the keyword field is not exposed by any API.
from the listing
Using the U.S. Naval Observatory NOVAS library and solar system ephemerides from JPL, high precision positions can be calculated in real-time from 1900 to 2050. Simply select date and time and all values are recalculated instantly. The estimated elevation value is only needed for calculating sunrise/sunset, twilight, and moonrise/moonset. The app provides the following functionalities: *Aries: GHA position *Sun: -GHA/dec - Astronomical dawn, nautical dawn, civil dawn,…
latest US reviews
★★★★★
Latest Update - Big Improvement
Replaces the need for your physical almanac. Gives you all the data you need to calculate your LOP.
— Johnbogen
★★★★★
Won’t open
App won’t open on iPhone 11 with OS 14.6. I want a refund!
— hghytgj
★★★★★
Not worth the money
Took a chance and found it wasn’t worth the money. Zero instructions and no support via the app or on the developer’s website. Spend your money on something else.
— fosters2
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 Perpetual Nautical Almanac ranks for any keyword, free, with the rank checker.
this page is one tool call
{ "tool": "app", "arguments": { "appId": 1483007345, "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.