Showing 1–20 of 1,000 ranked alternatives.
Optobyte AG
Calculate air density in real time
Calculates air density, relative humidity, and air pressure automatically. Displays geographic position, temperature, dewpoint, elevation, and barometric pressure. Supports airport and manual input modes.
Konstantinos Ladiellis
Calculate ISA and QNH altitude
Calculate standard ISA including pressure, density, and temperature. Compute QNH altitude. Adjust MSA for off-standard atmospheres. Convert calibrated airspeed to Mach number.
Ratha Sou
Calculate in portrait, science in landscape
Perform basic calculations in portrait mode and scientific calculations in landscape. Use root, power, factorial, exponential, division, logarithm, and trigonometric functions. Features a flat UI design similar to built-in iOS apps.
Boluga Limited
Track speed, altitude, and barometric pressure
Provides GPS altitude and pressure altitude readings. Displays speed in kph, mph, and knots. Measures barometric pressure in multiple units. Tracks acceleration in G forces. Shows location, magnetic, and true heading.
Cider Software LLC
Calculate with dual-line display and multi-line input
A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review previous entries.
oWorld Software
Convert currencies, weights, and units instantly
Convert units for currency, weight, length, volume, and temperature. Input values and select units for instant . Access real-time currency rates. Share results or copy to clipboard for quick use.
Impala Studios B.V.
Track weather changes with radar and forecasts
View current weather conditions and 10-day forecasts for any location. Access real-time animated radar and track weather changes on an interactive map. Monitor pressure, humidity, wind speed, and direction. Receive alerts for floods and hurricanes.
Unicom TOV
Check and forecast updates
Displays current with minimum and maximum temperatures. Shows 72-hour and 10-day forecasts for global cities. Automatically detects location. Includes animated satellite maps with wind, rain, temperature, and cloud layers.
Cider Software LLC
Calculate with dual-line display and multi-line input
A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review past entries.
Aeroapps Technology, LLC
Calculate flight data with precision
Calculate groundspeed, true heading, compass heading, leg time, distance, fuel required, fuel flow, and endurance for flight planning. Convert airspeed, altitude, and temperature.
yoshihito sakagami
Calculate humidity properties instantly
Calculate humidity properties using dry-bulb, wet-bulb, and dew point temperatures. Input values to determine relative humidity, vapor pressure, and specific humidity. Display results in a interface with precise Wexler–Hyland formulation.
Alexander Babaev
Convert units, currencies, timezones instantly
1. Convert units, currencies, and timezones instantly by typing a number and a few letters. Use a dedicated numpad to switch keyboards. Learn conversion patterns over time. Fetch current currency rates and display approximate values when needed.
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