Best Zofterm Apps

186+ iOS apps curated and reviewed

4.6 avg rating

20 free apps

Updated April 2026

Finding the right zofterm apps can be overwhelming with so many options. We've analyzed 186+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Zofterm Apps (April 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Interpolation 1.4	Free	3.5★ (6)	No	No	May 2026
2	Calc pH	Free	—	No	No	May 2026
3	Basic Calculator+	Free	4.9★ (243K)	Yes	No	Sep 2026
4	Calculator +	Free	4.6★ (10K)	Yes	Yes	Sep 2026
5	Calculator for iPad₊	Free	4.5★ (126K)	Yes	Yes	Sep 2026
6	Calculator‰	Free	4.9★ (409K)	Yes	No	Sep 2026
7	Taculator 84 Graphing Calc	Free	4.5★ (7.6K)	No	Yes	Sep 2026
8	Calculator for iPad!	Free	4.7★ (61K)	No	No	Sep 2026

Top Picks for Zofterm

#1

Interpolation 1.4 by ZOFTERM

Editor's Choice

3.5(6 ratings)

Free

Interpolation 1.4 screenshot 1

Interpolation 1.4 screenshot 2

This utility calculates linear or quadratic interpolations. It provides a straightforward tool for mathematical estimations based on given data points.

#2

Calc pH by ZOFTERM

Strong Contender

0.0(0 ratings)

Free

Calc pH screenshot 1

Calc pH screenshot 2

#3

Basic Calculator+ by Best Free Apps

Basic Four Function Calculator

Worth Considering

4.9😊(243K ratings)

FreeAds

Basic Calculator+ screenshot 1

Basic Calculator+ screenshot 2

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

What We Love

👍 Easy to use
👍 Large, clear buttons
👍 Straightforward, basic functionality
👍 No ads or in-app purchases
👍 Works well on iPad

Room to Improve

🐛 Inconsistent click volume
🐛 Ads can be intrusive or disruptive
🐛 Missing backspace/delete function

More Zofterm apps to explore

Graphing, Percentage, Triangle

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

free with in-app purchases

Calculator for iPad₊

Calculator for iPad₊

Calculator for iPad₊

Basic, Scientific, Plus Calc

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.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter

free with in-app purchases

Default Calculator

This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

Large buttonsClear displayFast calculations

Taculator 84 Graphing Calc

Taculator 84 Graphing Calc

Taculator 84 Graphing Calc

Graphing Calculator for TI-84

This advanced calculator app offers comprehensive tools for high school and college students, covering everything from pre-algebra to calculus and statistics. It features high-resolution graphing, matrix operations, and detailed statistical analysis, all accessible through an intuitive interface.

Scientific and advanced math functionsHigh-resolution graphing and plottingMatrix operations and storage

free with in-app purchases

Calculator for iPad!

Calculator for iPad!

Calculator for iPad!

Basic & Scientific Calculator

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)

MathMaster: Math Solver & Help

MathMaster: Math Solver & Help

MathMaster: Math Solver & Help

Homework Helper & AI Tutor

Solve math problems instantly by taking a photo or entering an equation. Get step-by-step solutions to understand the process and improve your math skills. Covers a wide range of topics from basic arithmetic to calculus.

Camera-based problem solvingStep-by-step solutionsHandwritten and printed math recognition

free with in-app purchases

Sci:Pro Calculator

Sci:Pro Calculator

Sci:Pro Calculator

by Jerry Montgomery

This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.

Multi-mode calculator (Basic, Scientific, Programmer)Calculation historyShare results via email

Good Grapher - scientific graphing calculator

Good Grapher - scientific graphing calculator

Good Grapher - scientific graphing calculator

by Iurii Mozharovskyi

This powerful scientific graphing calculator assists with calculations from school to professional work. It offers advanced scientific functions, 2D and 3D graphing capabilities, and a math solver for polynomials and systems of equations.

Scientific calculator with history2D and 3D graphingPolynomial and linear equation solver

Calculator Air: AI Math Solver

Calculator Air: AI Math Solver

Calculator Air: AI Math Solver

Basic, Scientific & Photo Math

Solve math problems instantly with a powerful AI-driven calculator. Features include basic and scientific calculations, a photo math solver, and an AI homework helper for step-by-step explanations. Ideal for students and professionals needing quick, accurate math solutions.

Basic and scientific calculatorPhoto math solverAI homework helper

Calculator +ㅤ

Math, Scientific & Fraction

This app simplifies math with basic, scientific, and fraction calculations. It also features a unique snap-and-scribble function to solve problems from photos. Customize your experience with themes and access a calculation history.

Snap and Scribble CalculatorBasic CalculatorScientific Calculator

Calculations Simplified

A free, redesigned calculator app offering a simpler, more intuitive experience across Apple devices. Features include customizable themes, advanced scientific functions, and unit conversion, all optimized for various screen sizes and interactions.

Customizable themesScientific calculatorUnit converter

Math AI Homework Helper,Solver

Math AI Homework Helper,Solver

Math AI Homework Helper,Solver

Algebra calculator free of ads

This app provides instant, step-by-step solutions for a wide range of math problems, from basic arithmetic to calculus. Users can scan math problems with their camera and receive detailed explanations, multiple solving methods, and graphing tools. It's designed to help students understand and solve challenging math questions quickly.

Scan math problems with cameraStep-by-step explanationsGraphing calculator

free with in-app purchases

Scientific Calculator

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver

free with in-app purchases

Studdy: AI Tutor & Math Solver

Studdy: AI Tutor & Math Solver

Studdy: AI Tutor & Math Solver

Study Calculus, Chem, Physics

This AI-powered tutor assists students with homework by providing step-by-step explanations for math and science problems. It offers personalized tutoring, video tutorials, and practice problems to help improve understanding and grades.

AI-powered step-by-step problem solverPhoto scanning for homework problemsPersonalized 1:1 AI tutoring

Calculator X: Math for iPad

Calculator X: Math for iPad

Calculator X: Math for iPad

Smart History, Plus Scientific

This app offers a smart calculator experience across iPad, iPhone, and Apple Watch. It features a history of calculations, the ability to edit equations, and a convenient dark mode. Easily share your results and enjoy enhanced productivity with its user-friendly interface.

Basic & Easy to UseHistory of CalculationsEdit Equation

free with in-app purchases

Mortgage Pal - Loan Calculator

Mortgage Pal - Loan Calculator

Mortgage Pal - Loan Calculator

Payments, Rates & Refinance

This comprehensive mortgage toolkit helps users make informed home buying decisions. It offers multiple calculators for payments, affordability, refinancing, and closing costs, along with tools to visualize rate trends and compare renting versus buying.

Mortgage Payment CalculatorMortgage Affordability CalculatorMortgage Refinance Calculator

The Calculator Without Equal

A powerful and beautifully designed calculator app that offers advanced scientific functions, automatic bracket handling, and a unique no-equals button interface. It integrates seamlessly with iOS features like widgets and keyboards for calculations anywhere.

No equals button interfaceAutomatic bracket handlingFull scientific keypad

FAQ about Zofterm

What are the best zofterm apps for iPhone?

Interpolation 1.4 tops our zofterm apps ranking as of April 2026, with a 3.5-star average from 6 App Store ratings, and it's free to download.

Are there free zofterm apps for iPhone?

Yes — 20 of the top zofterm apps we rank are free to download, including Interpolation 1.4 and Calc pH.

Does Interpolation 1.4 have ads or in-app purchases?

Interpolation 1.4 has no ads and has no in-app purchases, according to its App Store listing as of April 2026.

How many zofterm apps are on the App Store?

We track 186+ zofterm apps on the iOS App Store as of April 2026, ranked by rating, recency, and analysis of real user reviews.

What is Interpolation 1.4 used for?

Interpolation 1.4 is a utility app designed to calculate both linear and quadratic interpolations. It helps users perform mathematical estimations based on provided data points.

What devices does Interpolation 1.4 support?

Interpolation 1.4 is compatible with iPhone and iPod devices. It is designed for iOS users on these platforms.