Apps Like EngToolBox for iPhone and iPad
Learn, track, and secure notes
Multi-purpose calculators for basic math and advanced engineering functions. Track stress with a secure journal using Keychain security. Access all features offline. Store data locally with no cloud syncing. Set a PIN for journal access.
EngToolBox screenshots
Ranked alternatives
Showing 101–120 of 1,000 ranked alternatives.


CliniCalc Medical Calculator
Medicon Apps
Calculate scores, review scales, access classifications
Access clinical calculators for patient assessments. Retrieve scores like CHADS2 and Glasgow Coma Scale. View high-quality images for reference. Look up classifications and scales. Store and retrieve critical information quickly.


CMCalc
William David
Calculate decimal, binary, octal, and hexadecimal values
Perform decimal, binary, octal, and hexadecimal arithmetic. Convert between number systems. Apply binary logic functions. Use parentheses for operator grouping. Input hexadecimal values using A-F keys.

SymCalc - Symbolic Calculator
Voxeloid Kft.
Solve math problems instantly
Solve math problems from basic arithmetic to advanced algebra. Perform exact fraction calculations and store unlimited variables. Create custom functions and graph equations. Switch between exact and numerical modes.

RV Pocket Reference
Calculated Industries, Inc.
Explore RV systems with diagrams
Access RV types, classes, and system diagrams for electrical, plumbing, and appliance setups. Includes calculators for weight, leveling, and towing calculations.

Abacus Lesson -Multiplication-
Hirokazu Komatsu
Learn techniques and calculate efficiently
Learn about the and its history through interactive lessons. Practice using the Soroban with virtual beads. Track progress with exercises and quizzes. Share results and compare scores with others.

Calculator Plus - PRO
DigitAlchemy LLC
Calculate, edit, and track numbers
Perform calculations with basic arithmetic, fractions, and advanced functions. Store calculation history for review. Switch between light and dark modes. Use HD display for clear results. Adjust layout for easier input.




All-in-One Calculator Tools
Rajib Biswas
Calculate, convert, and organize tasks
Perform calculations with a scientific , solve equations, and convert units. Access financial for loan and interest calculations. Use health calculators for BMI and calorie tracking. Manage tasks with a planner and note-taking features.




Mathematics with PocketCAS Pro
Timing Software GmbH
Solve math problems and graph functions
Solve math problems from elementary to college level. Perform algebra, calculus, and statistical calculations. Graph functions and equations. Export results and share solutions. Replace graphing calculators advanced computation tools.

▸ Calculator +
CAT VIET SOFTWARE DEVELOPMENT & MEDIA JSC
Calculate, convert, and solve equations
Perform complex calculations using 12 built-in calculators including scientific, financial, and unit conversion tools. Input formulas with three modes: standard, string, and RPN.

Calculator--
Horizon Business, Inc.
Calculate, customize, and display results
Allows users to perform basic arithmetic operations. Choose from different background colors and display themes. Input numbers and operators to calculate results. Switch between light and dark modes for better visibility.


Patio Calculator Plus
Calc Hub, LLC
Calculate materials accurately
Calculate material needs for patios using seven estimators: concrete slab, pavers, paver base, polymeric sand, sand & gravel, area, and volume. Input dimensions in inches, feet, yards, centimeters, or meters.
How we rank alternatives
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