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Best Viscosity Calculator Alternative Apps

0+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated June 2026

Whether you're new to viscosity calculator alternative or looking for an upgrade, our curated collection of 0+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Viscosity Calculator Alternative Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calculator for iPad₊Calculator for iPad₊Free4.5★ (126K)YesYesAug 2026
2ClevCalc - CalculatorClevCalc - CalculatorFree4.7★ (13K)YesYesAug 2026
3Scientific Calculator Plus 991Scientific Calculator Plus 991Free4.7★ (12K)YesYesAug 2026
4Calculator +Calculator +Free4.6★ (10K)YesYesAug 2026
5McCalc Fusion CalculatorMcCalc Fusion CalculatorFree3.4★ (18)NoNoMay 2026
6GraphNCalc83GraphNCalc83$12.994.9★ (4K)NoNoAug 2026
7OneCalc: All-in-one CalculatorOneCalc: All-in-one CalculatorFree4.6★ (5K)YesNoAug 2026
8Calculator⁼Calculator⁼Free4.6★ (358K)YesYesAug 2026

Top Picks for Viscosity Calculator Alternative

Calculator for iPad₊#1

Calculator for iPad₊ by Impala Studios

Basic, Scientific, Plus Calc
Editor's Choice
🔧 Utilities
4.5😞(126K ratings)
FreeAdsIn-App Purchases
Calculator for iPad₊ screenshot 1
Calculator for iPad₊ screenshot 2
Calculator for iPad₊ screenshot 3
Calculator for iPad₊ screenshot 4
Calculator for iPad₊ screenshot 5

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

What We Love

  • 🚀 Helpful for math calculations
  • 👍 Variety of functions beyond basic calculator
  • 👍 Useful for students and teachers

Room to Improve

  • 🙄 Excessive ads and pop-ups
  • 💰 Expensive subscription to remove ads
  • 🐛 Occasional calculation errors
ClevCalc - Calculator#2

ClevCalc - Calculator by Cleveni Inc.

All-In-One Calculator
Strong Contender
📊 Productivity
4.7😊(13K ratings)
FreeAdsIn-App Purchases
ClevCalc - Calculator screenshot 1
ClevCalc - Calculator screenshot 2
ClevCalc - Calculator screenshot 3
ClevCalc - Calculator screenshot 4
ClevCalc - Calculator screenshot 5
ClevCalc - Calculator screenshot 6

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

What We Love

  • 👍 Easy to use
  • 🚀 Efficient calculations
  • 💡 Versatile features (currency, unit conversions, etc.)
  • 👍 Intuitive interface

Room to Improve

  • 💰 Subscription model too expensive
  • 🔍 Ads can be intrusive
  • 🐛 Occasional UI issues (e.g. ads blocking functionality)
Scientific Calculator Plus 991#3

Scientific Calculator Plus 991 by Tran Duy

NCalc & CalcES Calculator 115
Worth Considering
📚 Education
4.7😊(12K ratings)
FreeAdsIn-App Purchases
Scientific Calculator Plus 991 screenshot 1
Scientific Calculator Plus 991 screenshot 2
Scientific Calculator Plus 991 screenshot 3
Scientific Calculator Plus 991 screenshot 4
Scientific Calculator Plus 991 screenshot 5
Scientific Calculator Plus 991 screenshot 6

This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.

What We Love

  • 👍 Intuitive and easy to use
  • 🚀 Powerful and feature-rich
  • 💡 Customizable interface and settings
  • 🔍 Extensive library of formulas and equations

Room to Improve

  • 🐛 Occasional bugs and input issues
  • 🔀 Confusing layout and button placement
  • 💰 Some advanced features locked behind paywall

More Viscosity Calculator Alternative apps to explore

4
Calculator +
Calculator +
Calculator +
Graphing, Percentage, Triangle
Free

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

Free basic and scientific calculatorIntuitive interface with equation and result displayFraction and percent support
🔧 Utilities
(10K)
free with in-app purchases
5
McCalc Fusion Calculator
McCalc Fusion Calculator
McCalc Fusion Calculator
HDPE/PP Pressure Calculator
Free

This app calculates the correct fusion pressure for HDPE and Polypropylene pipe jobs. It simplifies the process by selecting your fusion machine and entering pipe details to determine the recommended theoretical gauge pressure.

Select McElroy fusion machinesChoose from nine international standardsEnter pipe size in multiple units
💼 Business
(18)
free
6
GraphNCalc83
GraphNCalc83
GraphNCalc83
Graphing calculator
$12.99

This app offers a powerful graphing calculator experience with touch-based input for enhanced interaction. It supports natural textbook notation, advanced math functions, and various plotting capabilities. Users can also utilize its programming features and built-in tools like unit conversion and a periodic table.

Touch-based graphing and editingNatural textbook notation inputAdvanced math and statistical functions
📚 Education
(4K)
paid
7
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)
📊 Productivity
(5K)
free with in-app purchases
8
Calculator⁼
Calculator⁼
Calculator⁼
Fraction, Scientific Calc +
Free

This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.

Basic & Scientific CalculatorLive Currency ConverterHistory Tape
🔧 Utilities
(358K)
free with in-app purchases
9
GARDCO Viscosity Calc
GARDCO Viscosity Calc
GARDCO Viscosity Calc
by BYK Gardner
Free

Calculate kinematic viscosity or drain time for various viscosity cups. Input a known value and cup type to find the unknown, with visual indicators for valid measurement ranges. Helps select the appropriate cup for accurate testing.

Calculate kinematic viscosityCalculate drain timeSupport for Gardco and BYK cups
🔧 Utilities
(6)
free
10
EduCalc Classic
EduCalc Classic
EduCalc Classic
by William Jockusch
Free

This app functions as a powerful graphing calculator with extensive scientific functions, unit conversion, and a built-in math and science reference. It supports graphing multiple equations, polar coordinates, and implicit functions, making it ideal for complex calculations and homework.

Scientific calculator with advanced functionsGraphing up to four equations simultaneouslyUnit converter for various physical quantities
📚 Education
(303)
free with in-app purchases
11
Saybolt Viscosity
Saybolt Viscosity
Saybolt Viscosity
by Saybolt International B.V.
Free

This application serves as a calculator for converting viscosity and temperature values for petroleum fuels. It allows users to convert Kinematic Viscosity in Centistokes to desired target values across different temperature scales. In landscape mode, it transforms into a slider for visual comparison of viscosity units.

Viscosity/Temperature conversion calculatorConverts Kinematic Viscosity (cSt)Supports Fahrenheit and Celsius
💼 Business
(2)
free
12
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.

Optional RPN modeMultiple undo and redoUnit conversions and constants
🔧 Utilities
(214)
free with in-app purchases
13
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

Formula editing with cursor and swipeReuse past formulasVariable memory for calculations
🔧 Utilities
(1.9K)
ad-supported
14
Scientific Calculator fx-991
Scientific Calculator fx-991
Scientific Calculator fx-991
Step-by-step Math Solver
Free

This app provides a powerful scientific calculator with step-by-step solutions for equations, advanced functions, and graphing capabilities. It includes a formula library and unit converter, inspired by a popular Casio model, to aid in learning and problem-solving for math and science subjects.

Step-by-step equation solverAdvanced scientific functionsGraphing mode
📚 Education
(381)
free with in-app purchases
15
P-T Calculator
P-T Calculator
P-T Calculator
by National Refrigerants, Inc.
Free

This tool simplifies HVAC/R technician tasks by calculating pressure/temperature relationships, superheat, and subcool. It automatically adjusts for altitude and offers English/Metric units. Easily access favorite refrigerants and supplementary information.

Pressure/Temperature calculationSuperheat/Subcool calculationAutomatic altitude correction
🔍 Reference
(51)
free
16
PCalc
PCalc
PCalc
The Best Calculator
$9.99

A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.

Optional RPN modeMulti-line displayExtensive unit conversions
🔧 Utilities
(770)
free with in-app purchases
17
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
big buttons and wallpapers
Free

A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.

Large, easy-to-press buttonsMultiple beautiful skinsBasic arithmetic operations
🔧 Utilities
(3.2K)
free with in-app purchases
18
Dilution Calculator
Dilution Calculator
Dilution Calculator
Easily solve dilution ratios
Free

This utility app simplifies the process of calculating dilution ratios for various applications. Users can input their desired ratio and bottle size to get instant, accurate results for the amounts of water and solution needed. It's ideal for tasks like car detailing, valeting, and paint mixing.

Calculate dilution ratiosEnter ratio and bottle sizeInstant accurate results
🔧 Utilities
(153)
free with in-app purchases
19
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
10 Powerful Calculators
Free

This app offers a comprehensive suite of 10 powerful calculators and 10 financial worksheets, designed to handle everything from basic arithmetic to complex scientific and financial calculations. It includes features like unit conversion, currency exchange, graphing, and statistical analysis, making it a versatile tool for students and professionals.

10 powerful calculators (Standard, Scientific, Graphing, etc.)10 financial worksheets (Mortgage, Loan, Compound Interest, etc.)Unit Converter with 3000+ conversions
🔧 Utilities
(4.7K)
free with in-app purchases
20
Simple Fuel Calculator (USA)
Simple Fuel Calculator (USA)
Simple Fuel Calculator (USA)
Calculates fuel usage and cost
Free

This application helps users calculate their fuel consumption and associated costs. It utilizes standard units commonly used in the USA, such as miles, dollars, and U.S. gallons.

Fuel consumption calculationCost calculationUses US standard units (miles, $, gallons)
✈️ Travel
(6)
free

FAQ about Viscosity Calculator Alternative

What are the best viscosity calculator alternative apps for iPhone?
Calculator for iPad₊ tops our viscosity calculator alternative apps ranking as of June 2026, with a 4.5-star average from 126K App Store ratings, and it's free to download.
Yes — 18 of the top viscosity calculator alternative apps we rank are free to download, including Calculator for iPad₊ and ClevCalc - Calculator.
Calculator for iPad₊ shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
Calculator for iPad₊ is a versatile application that provides both basic arithmetic functions and advanced scientific calculations. It's designed to be fast and handy, with features like a live currency converter, calculation history, and the ability to share your results easily.
Key features include a combined basic and scientific calculator view, advanced scientific functions, a live currency converter with exchange rates, a history log to track all calculations, the ability to copy and share results, an equation editing function, and memory banks. It also supports calculations in degrees or radians.