Apps Like RulerGPS for iPhone and iPad
Ranked alternatives
Showing 141–160 of 1,000 ranked alternatives.


Lake Champlain – Boating Map
Vishwam B
Navigate with real-time marine charts
View nautical charts for boaters, anglers, and sailors. Overlay charts in a prioritized order based on scale. Navigate continuously without manual chart changes. Access small craft and harbor charts instantly. Adjust chart display for easy reading.



AirLab: Air Density & Altitude
BALLISTIC SOLUTIONS RESEARCH & DEVELOPMENT SOFTWARE SIARHEI RAICHONAK
Calculate air and
Calculate air and using weather data from OpenWeatherMap, MET Meteorologisk Institute, and Amazon. Access GPS and barometer for accurate readings. Retrieve weather data via Bluetooth.

iSailGPS : NOAA USA RNC Charts
James Associates Inc.
Plot courses and track your route
Use device as high-performance GPS receiver with USA Raster Nautical . Access without cell signal. Navigate safely in emergencies. Sync with chart plotter if available. Download for offline use. Track location and display real-time data.

Staten Island Ferry
DansApps LLC
Track location and view schedules
Navigation provides real-time schedule updates based on GPS location. Displays next departure countdown. Calculates walking, biking, or driving time and distance to terminal. Alerts users when is approaching.



CaIculator
Edison Largo
Calculate, convert, and solve equations
Calculator allows users to perform basic and advanced mathematical operations. Input and display numbers with large, clear buttons. Correct entries using a backspace key. Support decimal points and parentheses for complex calculations.

Loadstone GPS
Shawn Kirkpatrick
Navigate using voice-guided directions
Provide turn-by-turn navigation from current location or any starting point to a destination. Access a global database of locations including transit stops and user-shared points. Create and save custom routes.




Flow Rate Help
Armchair Engineering
Calculate , diameter, or velocity
Calculate fluid rates, pipe diameter, or liquid velocity. Choose units for diameter, velocity, and . Set decimal precision for results. Solve equations for accurate measurements.


Seeing Eye GPS
GoodMaps Inc
Accessible navigation for every journey.
The app offers turn-by-turn GPS navigation with features for blind users, including intersection descriptions and a LookAround Wand. It recalculates routes automatically and announces nearby points of interest and heading changes.


Indian Rupees To US Dollars
Armchair Engineering
Convert INR to USD with precision
Convert using real-time exchange rates. Choose the number of decimal places for precision. Perform quick currency conversions without additional steps.

Statistics Calculator Lite
KBIC International Limited
Calculate statistical measures of numbers.
The app calculates statistical measures for a set of numbers. It provides the number of terms, sum, mean, mode, median, range, and standard deviation.
How we rank alternatives
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