Sightloom: Celestial Nav is a navigation app developed by Robert Corbin.
User Ratings
Sightloom: Celestial Nav is rated 5.00 out of 5 stars. The rating is based on one rating ratings.
App Information
Sightloom: Celestial Nav costs $2.99. The app size is 205.05 MB. The latest version available is 1.0. The last update was on August 4, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since August 2026.
Sightloom: Celestial Nav is made and published by
Robert Corbin.
AppBrain is an independent app data site and isn't affiliated with Robert Corbin.
The app name, icon, screenshots and description belong to Robert Corbin and are shown as published on the App Store.
Description by Robert Corbin(from the App Store)
Sightloom: Celestial Nav is a focused, fully on-device app. A complete offline celestial-navigation workbench for sextant correction, almanac interpolation, sight reduction, running fixes, intercept plots, and voyage logs.
KEY FEATURES - Observed-to-apparent altitude correction ledger - Computed altitude, azimuth and intercept - Two- and three-sight running-fix workspace - Offline almanac interpolation examples - Voyage log and PDF handoff - Editable complete sample and local project persistence - CSV input plus local PDF and data export - Fifty-two original offline reference plates
ONE-TIME AND PRIVATE - One paid download; no subscription or in-app purchase - No account, advertising, analytics, tracking, or developer-operated backend - Core features and bundled content work offline - Work remains on device unless you deliberately share or export it through an Apple system interface
Training and cross-checking aid only. Maintain an approved almanac, tables, chronometer practice and primary navigation system.
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
