Nautical Calculator Downloads & RevenueNautical Calculator · App Store
Nautical Calculator is #179 in Navigation Paid in South Korea and charting in 3 of 30 countries we track.
Updated 9 Nov 2026 · rankings refresh through the day
DeveloperAviation Mobile Apps, LLC.
CategoryNavigation
Price8.99 USD
Released
Rating★ 5.0 (4)
Version1.1
Age rating4+
First seen by us
25 Sep 2026
25 Sep 2026Installs (est.)500+ worldwide
📈Entered the top 100📈Charting in a new country🆕First spotted by AppInsider🆕Released on the App Store
Full timeline · 7 events in the last 12 months
- 📈Nautical Calculator entered the top 100Top Paid · Navigation · DE
- 📈Nautical Calculator charting in a new countryGermany
- 📈Nautical Calculator entered the top 100Top Paid · Navigation · US
- 📈Nautical Calculator charting in a new countryUnited States
- 🆕Nautical Calculator first spotted by AppInsider#88 in Top Paid · Navigation · South Korea
- 📈Nautical Calculator charting in a new country in 2 chartsIndia · Russia
- 🆕Nautical Calculator released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
5.0 ★
4 ratings
Measured
Best rank now
#179
Navigation PaidMeasured
Nautical Calculator on the App Store
App details
App ID
1221203637
Publisher
Aviation Mobile Apps, LLC.
On the store since
Dec 2017
8 years on the store
Minimum OS
iOS 9.1+
iPhone 4s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
11 MB
Nautical Calculator downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| South Korea | NavigationPaid | #179 |
 India | NavigationPaid | #138 |
 United Arab Emirates | NavigationPaid | #172 |
Apps near Nautical Calculator on the chart
Navigation Paid, around #179.
Ratings
App Store, worldwide.
Rating
5.0 ★
4 ratings
Measured
Ratings
4
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
under 1
4-week average
Lifetime rating
5.0★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
20/100
faster than 0% of Navigation apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
About Nautical Calculator
Nautical Calculator is an easy to use app to help solve the equations and conversions typically associated with marine navigation and includes celestial calculators, conversions calculators, distance calculators, logarithm and trigonometry calculators, and sailings calculators.
This app is the finest nautical calculator you will find for the Apple iPhone, iPad, and iPod Touch and includes the computations, tables, and full text of the "The American Practical Navigator" by Nathaniel Bowditch.
With more than 35 nautical calculations, unit conversions and reference material, we are sure you will find this app convenient in solving the planning and navigating problems associated with marine navigation.
Calculations Include:
Celestial Navigation Calculators
------------------------------------------------
1. Compass Error from Amplitudes Observed on the Visible Horizon
2. Altitude Correction for Air Temperature
3. Table of Offsets
4. Latitude and Longitude Factors
5. Altitude Correction for Atmospheric Pressure
6. Altitude Factors & Change of Altitude
7. Pub 229
8. Compass Error from Amplitudes Observed on the Celestial Horizon
9. Meridian Angle and Altitude of a Body on the Prime Vertical Circle
Conversions Calculators
------------------------------------------------
1. Chart Scales and Conversion for Nautical and Statute Miles
2. Conversion for Meters, Feet and Fathoms
Distance Calculators
------------------------------------------------
1. Length of a Degree of Latitude and Longitude
2. Speed for Measured Mile and Speed, Time, and Distance
3. Distance of an Object by Two Bearings
4. Distance of the Horizon
5. Distance by Vertical Angle Measured Between Sea Horizon and Top of Object Beyond Sea Horizon
6. Traverse Table
7. Geographic Range
8. Distance by Vertical Angle Measured Between Waterline at Object and Top of Object
9. Dip of Sea Short of the Horizon
10. Distance by Vertical Angle Measured Between Waterline at Object and Sea Horizon Beyond Object
11. Meridional Parts
Log and Trig Calculators
------------------------------------------------
1. Log10
2. tangent
3. cosecant
4. sine
5. cotangent
6. cosine
7. secant
Sailings Calculators
------------------------------------------------
1. Great Circle Sailing
2. Mercator Sailing
Time Zones Calculators
------------------------------------------------
1. Time Zones
2. Zone Descriptions, and Suffixes
Weather Data Calculators
------------------------------------------------
1. Direction and Speed of True Wind
2. Correction of Barometer Reading for Height Above Sea Level
3. Correction of Barometer Reading for Gravity
4. Temperature Conversions
5. Relative Humidity and Dew Point
6. Correction of Barometer Reading for Temperature
7. Barometer Measurement Conversions
Included Reference Documents
------------------------------------------------
1. AMERICAN PRACTICAL NAVIGATOR - VOL 1
2. AMERICAN PRACTICAL NAVIGATOR - VOL 2
3. SIGHT REDUCTION TABLES VOL 1 0° - 15°
4. SIGHT REDUCTION
This app is the finest nautical calculator you will find for the Apple iPhone, iPad, and iPod Touch and includes the computations, tables, and full text of the "The American Practical Navigator" by Nathaniel Bowditch.
With more than 35 nautical calculations, unit conversions and reference material, we are sure you will find this app convenient in solving the planning and navigating problems associated with marine navigation.
Calculations Include:
Celestial Navigation Calculators
------------------------------------------------
1. Compass Error from Amplitudes Observed on the Visible Horizon
2. Altitude Correction for Air Temperature
3. Table of Offsets
4. Latitude and Longitude Factors
5. Altitude Correction for Atmospheric Pressure
6. Altitude Factors & Change of Altitude
7. Pub 229
8. Compass Error from Amplitudes Observed on the Celestial Horizon
9. Meridian Angle and Altitude of a Body on the Prime Vertical Circle
Conversions Calculators
------------------------------------------------
1. Chart Scales and Conversion for Nautical and Statute Miles
2. Conversion for Meters, Feet and Fathoms
Distance Calculators
------------------------------------------------
1. Length of a Degree of Latitude and Longitude
2. Speed for Measured Mile and Speed, Time, and Distance
3. Distance of an Object by Two Bearings
4. Distance of the Horizon
5. Distance by Vertical Angle Measured Between Sea Horizon and Top of Object Beyond Sea Horizon
6. Traverse Table
7. Geographic Range
8. Distance by Vertical Angle Measured Between Waterline at Object and Top of Object
9. Dip of Sea Short of the Horizon
10. Distance by Vertical Angle Measured Between Waterline at Object and Sea Horizon Beyond Object
11. Meridional Parts
Log and Trig Calculators
------------------------------------------------
1. Log10
2. tangent
3. cosecant
4. sine
5. cotangent
6. cosine
7. secant
Sailings Calculators
------------------------------------------------
1. Great Circle Sailing
2. Mercator Sailing
Time Zones Calculators
------------------------------------------------
1. Time Zones
2. Zone Descriptions, and Suffixes
Weather Data Calculators
------------------------------------------------
1. Direction and Speed of True Wind
2. Correction of Barometer Reading for Height Above Sea Level
3. Correction of Barometer Reading for Gravity
4. Temperature Conversions
5. Relative Humidity and Dew Point
6. Correction of Barometer Reading for Temperature
7. Barometer Measurement Conversions
Included Reference Documents
------------------------------------------------
1. AMERICAN PRACTICAL NAVIGATOR - VOL 1
2. AMERICAN PRACTICAL NAVIGATOR - VOL 2
3. SIGHT REDUCTION TABLES VOL 1 0° - 15°
4. SIGHT REDUCTION
Latest updates
1.1
Bug fix. While calculating meridional parts for Mercator sailing, there was an error when working with negative numbers. The issue is now corrected. Thank you ship’s Master Anastasios!
