Best Oee Calculator Apps

249+ iOS apps curated and reviewed

4.4 avg rating

19 free apps

Updated October 2026

Finding the right oee calculator apps can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Oee Calculator Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	OEE Calculator	Free	5.0★ (4)	No	No	Oct 2026
2	Calculator‰	Free	4.9★ (410K)	Yes	No	Nov 2026
3	Calculator for iPad!	Free	4.7★ (61K)	No	No	Nov 2026
4	Calculator	Free	4.5★ (147K)	Yes	Yes	Nov 2026
5	Calculator·	Free	4.9★ (34K)	Yes	Yes	Nov 2026
6	Calculator⁻	Free	4.4★ (3.6K)	Yes	No	Nov 2026
7	Calculator +	Free	4.6★ (10K)	Yes	Yes	Nov 2026
8	Calculator ×	Free	4.5★ (143)	Yes	Yes	Oct 2026

Top Picks for Oee Calculator

#1

OEE Calculator by Sigma Venturi LLC

Overall Equipment Efficiency

Editor's Choice

📊 Productivity

5.0(4 ratings)

Free

OEE Calculator screenshot 1

OEE Calculator screenshot 2

This app helps measure and understand Overall Equipment Effectiveness (OEE) in manufacturing. By tracking key metrics like quality, performance, and availability, it provides insights to systematically improve production processes.

#2

Calculator‰ by Tim O's Studios, LLC

Default Calculator

Strong Contender

4.9😊(410K ratings)

FreeAds

Calculator‰ screenshot 1

Calculator‰ screenshot 2

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.

What We Love

👍 Easy to use
👍 Large, clear buttons
👍 Accurate calculations
👍 Simple, no-frills design
👍 Reliable and stable
👍 Helpful for visual impairments

Room to Improve

🔍 Lack of advanced features
💰 Ads can be intrusive
🔒 Concerns about security/malware
🐛 Occasional bugs and glitches

#3

Calculator for iPad! by 7th Gear

Basic & Scientific Calculator

Worth Considering

4.7😊(61K ratings)

Free

Calculator for iPad! screenshot 1

Calculator for iPad! screenshot 2

Calculator for iPad! screenshot 3

Calculator for iPad! screenshot 4

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.

What We Love

📐 Versatile calculator with basic and scientific modes
📝 Useful note-taking and calculation history features
🎨 Customizable color schemes
💻 Works well on both iPad and iPhone
👍 Easy to use and intuitive interface

Room to Improve

💰 Ads can be intrusive in free version
🔒 Lack of transparency around in-app purchases
🔍 Difficulty finding and accessing premium features
🖥️ Layout issues in split-screen mode
🔢 Inconsistent button placement between portrait and landscape

More Oee Calculator apps to explore

by The App Tower Inc.

This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

Basic calculationsOver 80 themesTheme customization

free with in-app purchases

Big Basic Calculator

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Basic arithmetic operationsPercentage calculationsMultiple color schemes

free with in-app purchases

Best hand calculator

A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.

Basic arithmetic operationsPercentage calculationsRecord and recall results

Graphing, Percentage, Triangle

This app offers a free basic and scientific calculator with an elegant interface. Upgrade for advanced features like graphing, equation solving, and unit conversions. Supports fractions, percentages, and multiple themes.

Free basic and scientific calculatorElegant and intuitive interfaceAdvanced editing and equation display

free with in-app purchases

let's reinvent the calculator

This app redefines the calculator experience for touch-screen devices with a modern, intuitive design. It offers features like a tape log for storing calculations, formula evaluation, and iPad multitasking support for enhanced productivity.

Tape Log for calculation historyReuse, copy, and share calculationsEvaluate entire formulas at once

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

Calculator - Free Calculator

Calculator - Free Calculator

Calculator - Free Calculator

A straightforward and reliable calculator application designed for iPad and iOS 9. It offers a standard calculation experience with a charming piano sound effect and is optimized for high-resolution screens.

Standard calculator functionalityOptimized for iPad & iOS 9High-resolution screen optimization

Calculator : personalized Calc

Calculator : personalized Calc

Calculator : personalized Calc

Fast personalized Calculator

A fast, clean, and easy-to-use calculator app offering both basic and advanced scientific functions. It features a minimal design, calculation history, and supports dark and light modes for a comfortable daily calculation experience.

Simple and clean interfaceScientific calculator functionsPercentage calculator tools

Perform calculations quickly and accurately with large buttons. Personalize the interface by selecting custom background and text colors. This straightforward utility is designed for intuitive use.

Large buttons for easy inputAccurate calculationsCustomizable background colors

OEE Profit Calculator by POET

OEE Profit Calculator by POET

OEE Profit Calculator by POET

Quickly calculate your OEE

Simple calculator with history

This app offers a straightforward and efficient calculation experience with a history log to review past computations. It supports multitasking and offers a dark mode for comfortable use.

History TrackingQuick CopyUniversal Support (iPhone/iPad)

by Horizon Business, Inc.

This is a straightforward calculator application designed for ease of use and clear readability. Users can personalize the app's appearance by choosing their preferred background and display themes.

Easy to use interfaceClear displayCustomizable background

Simple, big screen and buttons

This app offers a straightforward calculator with a large display and oversized buttons for easy operation. It's designed for everyday tasks, enabling users to perform fundamental arithmetic like addition, subtraction, multiplication, and division with clarity and convenience.

Big display and buttonsEasy to useBasic calculations

This app offers a versatile calculator experience with both standard and scientific modes. Customize its appearance, use it in any orientation, and access additional tools like a notes tab and calculation history. It's designed for students and professionals needing accurate calculations.

Standard and scientific calculator modesCustomizable look (iPad only)Portrait and landscape orientation

free with in-app purchases

Calculator - CalcRight

Calculator - CalcRight

Calculator - CalcRight

Ad Free & Backspace

This ad-free utility offers a clean and intuitive interface for performing calculations. It includes essential features like a backspace button and support for parentheses, making complex equations manageable. Enjoy a streamlined calculation experience without interruptions.

Ad-free experienceBackspace buttonParentheses support

Calculator - Simple & Stylish

Calculator - Simple & Stylish

Calculator - Simple & Stylish

A calculator app is useful

This app offers a stylish and user-friendly calculator experience with advanced features like percent, constant, exponential, and compound interest calculations. Customize themes and display settings to suit your preferences.

Percent calculationsConstant calculations (Casio-style)Exponential calculations

📊 Productivity

free with in-app purchases

A straightforward calculator app designed for ease of use with large, legible digits. It offers a simple interface for quick calculations on mobile devices.

Large, clear numbersSimple interfaceEasy calculations

FAQ about Oee Calculator

What are the best oee calculator apps for iPhone?

OEE Calculator tops our oee calculator apps ranking as of October 2026, with a 5.0-star average from 4 App Store ratings, and it's free to download.

Are there free oee calculator apps for iPhone?

Yes — 19 of the top oee calculator apps we rank are free to download, including OEE Calculator and Calculator‰.

Does OEE Calculator have ads or in-app purchases?

OEE Calculator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.

How many oee calculator apps are on the App Store?

We track 249+ oee calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.