Celestial Nav
Celestial Nav Summary
Celestial Nav is a with in-app purchases iOS app in Maps And Navigation by Skytip LLC. Released in Nov 2021 (4 years ago). It has 8.00 ratings with a 4.38★ (good) average. Based on AppGoblin estimates, it reaches roughly 32 monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Dec 27, 2025.
Data tracking: SDKs and third-party integrations were last analyzed on Feb 25, 2025.
Store info: Last updated on App Store on Dec 27, 2025 .
4.38★
Ratings: 8.00
Screenshots
App Description
We believe celestial navigation is an amazing skill and develop Celestial Nav to offer a simple, yet powerful and all encompassing app for our users.
Celestial Nav is an easy to use, all-in-one tool which offers:
• Celestial navigational computations for your device
• Simple toolbar menu for quick access
• Internally stored perpetual Almanac
• Offline ready and functional without the need for other external tools
• Quick and easy capture celestial observation data
• High accuracy sight reductions
• Star reference tables
SIGHT PLANNING
• Local Hour Angle (LHA) for Aries
• Star tables sorted by name, magnitude, declination, and SHA
• Sunrise, sunset, twilight, and location reference
• Moon phase reference
SIGHT REDUCTION
• High accuracy sight reduction algorithm
• Perpetual Almanac offering accurate data for years 1600 - 3000
• Almanac data for Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn
• Detailed Almanac data for 58 navigational stars
• Assumed Position (AP) for any user defined position
• Line of Position (LOP) intercept data for accurate course and speed adjustments
• Computational variables displayed for accuracy and validation
CELESTIAL FIX
• Computations by USNO algorithm in the Nautical Almanac
• Save all your LOP in an easy reference table
BASIC VERSION
Free daytime celestial navigation tools using the sun:
• Unlimited sextant sight reduction calculations
• Sight reduction to a line of position using the sun
• Perpetual almanac for the sun
• Advanced sight corrections for index error, eye height, temperature, and pressure
• Support for upper and lower limb reference
• Star Table with navigational references
• Detailed Sun references
• Limited Moon references
PRO FEATURES (IN-APP PURCHASE)
Advanced Day & Night Celestial Navigation includes all BASIC features plus:
• Almanac data for 65 navigational bodies for years 1600 through 3000
• Map display for saved LOPs
• View intercepts with course and speed corrections
• Metric and imperial unit support with automatic conversions
• Support for coordinate entries in different formats (H° M’ S” or Decimals)
• Save all your LOP calculations for future reference
• Save user preferences and settings
• Unrestricted moon references
• Almanac and algorithmic models for 65 navigational bodies:
• Sun, Moon, Mercury, Ve