Sightloom: Celestial Nav

by Robert Corbin · Navigation · $2.99

On the App Store since August 2026 · Data updated 2026-10-15

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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.

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Last updated: August 4, 2026
Size: 205.0 MB

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Store listing

By Robert Corbin, from the App Store

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Screenshots by Robert Corbin, from the the App Store listing

Description by Robert Corbin Written by the developer, not by AppBrain. Click to read.

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.

Official page on the App Store

Safety and technology

Found in the app by AppBrain

Price: $2.99
App size: 205.0 MB
Content rating: Everyone

Technologies used by Sightloom: Celestial Nav

Releases

Updates seen on the App Store

Version: 1.0
Launched: August 2026

No changelog data

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About the app and developer

About Sightloom: Celestial Nav

Sightloom: Celestial Nav is a navigation app developed by Robert Corbin.

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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.

Developer information for Robert Corbin

Robert Corbin

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