Apps Like aView for iPhone and iPad
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Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.


OneCalc: All-in-one Calculator
tasser gyati
Calculate, convert, and solve equations
Offers standard and advanced math functions including percent, negative sign, memory, brackets, and history. It includes trigonometry, roots, exponents, and logarithms.

Trigonometry Help
Armchair Engineering
Solve right-angled triangles quickly
Solve right-angled triangles by inputting known sides or angles. View step-by-step calculations and a scale drawing of the triangle. Access basic trigonometric formulae. Enter angles in radians, decimal degrees, or degrees, minutes, seconds.


Drafting Utility :TriangleCalc
Masaharu Tsukamoto
Calculate triangle sides and angles
TriangleCalc calculates triangle side lengths and angles by entering two values. Automatically computes remaining sides and angles. Displays results in clear numerical format. Supports basic trigonometric calculations for triangles.



Staslink: Satellites Tracker
SMART WIDGET LABS COMPANY LIMITED
Track and set observation reminders
Track the International Space Station and Starlink using real-time data. Input your location to find optimal viewing times. Set reminders for launches and visibility events. View satellite routes on a live map. Share sighting details with others.

EduCalc Classic
William Jockusch
Calculate and graph mathematical functions
Perform complex calculations with a scientific calculator featuring arithmetic, exponentiation, roots, logarithms, factorials, permutations, combinations, and modulus. Graph functions and equations. Export results and share calculations.

FlightReady E6B
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.

Angle Finder - Trig Calculator
Shital Gorasiya
Calculate angles, solve triangles, and compute trigonometric
Calculate angles, side lengths, and hypotenuse of triangles. Determine arc radius, arc length, chord length, and chord height. Solve trigonometric problems with precise formulas and tools. Input measurements to get accurate geometric results.

LunaSolCal
Volker Vocking
Track sunrise, sunset, and twilight times
Calculate sunrise, sunset, moonrise, and moonset times for your location. Track solar noon, day length, and equation of time. View declination, twilight phases, and azimuth angles. Monitor seasonal dates, solstices, and equinoxes.


Construction Master Pro Calc
Calculated Industries, Inc.
Try before you buy
Calculate measurements and perform unit conversions for projects. Perform trigonometric calculations and angle measurements. Access a full user guide and use built-in formulas for precise calculations.


FieldCalc - GPS Area Measure
Pravin Gondaliya
Land and calculate distances with GPS
Land and distances using GPS by marking points on a map. Calculate field size, plot dimensions, and property boundaries. Save and share measurement data. Sync with other devices for accurate field surveys.

Compass & GPS
EONSOFT
Navigate with real-time directions
Determine direction using a digital . Display azimuth at the top of the screen. Navigate while hiking or traveling. Indicate north, south, east, and west. Show magnetic field orientation.

Measuring Tape, Photo Ruler
Grymala sp. z o.o.
With AR and traditional tools
Distances and angles using augmented reality and on-screen rulers. Tap to mark points and calculate lengths. Export measurements as text or image. Sync with other devices for collaborative projects.


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