Apps Like Optris calculator for iPhone and iPad
Optris calculator screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


Calculator‰
Tim O's Studios, LLC
Calculate with large buttons and clear display
A calculator with large buttons and a clear display for efficient calculations. Supports basic arithmetic operations. Includes a Retina Display for improved visibility.

Speedmeter mph digital display
Unicom TOV
Track speed and distance offline
GPS speedometer displays real-time speed for driving, biking, or walking. Measure trip distance offline. Track altitude for planes. Switch between mph, km/h, and knots. Use Today Widget or Apple Watch. Adjust screen color and toggle mirror .

Material Estimator Calculator
Calculated Industries, Inc.
Estimate materials for your projects
Calculate costs and percentages for building projects. Estimate quantities needed for walls, floors, and roofs. Convert measurements between units. Track project budgets and adjust estimates in real time. Export calculations to PDF or email.

Conversion Calculator Plus
Yan Liong Tan
Convert units and currencies instantly
Convert units across multiple categories including currency, length, area, weight, and more. Switch between simple and carousel layouts. Automatically update currency exchange rates daily. Search for units from the home screen.


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.

Unit Converter - Convert all
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.

Feet & Inches Tape Calculator
Tue Nguyen Minh
Calculate and with a measure display
Convert measurements between , , and centimeters. Input fractions or decimals for precise calculations. View results on a visual measure display. Perform addition, subtraction, multiplication, and division with measurement values.

Speedometer ⊲
Unicom TOV
Track speed, distance, and altitude
GPS tracks current speed, distance, and altitude. Displays average and maximum speed. Shows speed limits in real time. Supports mph, km/h, and knots. Measures travel time and battery level. Works offline.


Coordinates – GPS Converter
Mapnitude Company Limited
View , convert formats, manage locations
View and convert geographic across multiple formats and datums. Manage locations with an intuitive interface. Display current location at the intersection of two grey lines. Export in various global systems.

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.

SmartScanner-AI Measure&Count
GUANGZHOU TOPJOY TECHNOLOGY CO., LIMITED
Measure height with your phone
Scan documents and images for precise digital copies. Measure heights and object dimensions using phone camera. Automatically count items like pipes, logs, and pills. Save and share scanned files directly.

PPI Calc - DPI Calculator
AppNextDoor Labs
Calculate PPI from screen dimensions and pixels
Calculate PPI by inputting screen dimensions and pixel count. Explain PPI vs DPI and dot pitch. Provide formulas and resolution categorization. Include definitions and user comments on related terms.

Spyglass
Pavel Ahafonau
Track routes, find waypoints, and navigate offline
Navigate outdoors with offline GPS maps and real-time augmented reality. Track waypoints and custom locations. Use a gyrocompass, speedometer, altimeter, and inclinometer. Find celestial bodies and measure angles.

The Cool Calculator
Bitco Software LLC
Drag results to memory buttons
Perform calculations and copy results to the clipboard. Use memory buttons to store and reuse values. Convert units, calculate debt with amortization schedules, and access current currency rates.

GPS Land Measurement & Survey
LOGISIAN TECHNOLOGY SOLUTIONS PRIVATE LIMITED
Measure areas and distances
Measure areas and calculate distances using GPS. Draw polygons on maps to calculate field areas. Save and share data. Access detailed maps and satellite imagery for accurate surveying.

Ruler: Measure, Measuring Tape
Grymala sp. z o.o.
Measure objects with AR precision
Measure real-world objects using AR technology and a phone's camera. Calculate length, height, area, volume, and angles. Estimate distances and track measurements with a digital . Share results and save measurements for future reference.

Revic Ops
Revic, LLC.
Calculate ballistics for long range shooting
Calculate bullet trajectories using a Modified Point Mass Solution with 4 Degrees Of Freedom. Input ballistic coefficients or drag coefficients from Doppler radar analysis. Adjust for wind, elevation, and distance.
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