Apps Like eTool for iPhone and iPad
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Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.
Conversion Calculator Units
RV AppStudios LLC
Convert across 12 categories
Convert across 12 categories and 140+ . Tap to select , swipe to switch values. Adjust options easily. View results instantly without complex steps.
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.
E6B Flight Pro
ALI CIHAN SARAC
Calculate data and plan routes
Calculate parameters such as time, distance, and fuel consumption. Adjust wind direction and speed for accurate wind correction. Use the E6B calculator for fuel planning and navigation. Visualize and manipulate dials and scales for precise planning.
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.
Unit Converter Calculator Pro
Rome Rock LLC
Convert units between metric and imperial systems
Convert units between metric and imperial systems including area, distance, speed, temperature, volume, time, weight, energy, and power. Calculate area, speed, distance, and volume with supported units. Switch between units quickly and accurately.
Callie - All in One Calculator
The Clairos Group, LLC
Calculate, convert, plan, and track
& Math Tools • Classic with basic and advanced functions • Financial tools for loan payments and savings planning • Unit conversion for measurements and currencies • Tip calculation and percentage functions • Offline use without internet
Units+
Hebaallah Hossameldien
Convert units and exchange currencies
Convert values between units in 22 categories including acceleration, angle, area, and data storage. Support currency exchange for 160 currencies. Search units by category or globally. Bookmark frequently used conversions.
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.
Spin-a-Wind
Leonard Robinson
Calculate wind components and airspeeds
Calculate wind components, temperatures, altitudes, and airspeeds. Input runway number, wind direction, and speed. Determine headwind, tailwind, and crosswind values. Adjust for parallel runways based on magnetic heading.
E6Bvd
Whiskey Victor LLC
Calculate fuel burn, adjust for winds, plan
Calculate fuel burn with altitude, distance, and wind adjustments. Generate time tables for loiter, transit, and efficiency planning. Adjust for varying altitudes and wind conditions. Input mission-specific data for accurate results.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.