Best 11331 Apps

191+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated June 2026

Out of 191+ 11331 apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for 11331

Desmos Scientific Calculator#2

Desmos Scientific Calculator by Desmos, Inc.

Strong Contender
📚 Education
4.3(327 ratings)
Free
Desmos Scientific Calculator screenshot 1
Desmos Scientific Calculator screenshot 2
Desmos Scientific Calculator screenshot 3

Explore a powerful scientific calculator with functions beyond basic arithmetic - trigonometry, statistics, and combinatorics. Create and evaluate custom functions, work offline, view multiple expressions at once, and enjoy a seamless user experience - all for free.

Convert Any Unit Lite#3

Convert Any Unit Lite by Cider Software LLC

Units & Currency Converter
Worth Considering
✈️ Travel
4.7😊(47K ratings)
FreeAds
Convert Any Unit Lite screenshot 1
Convert Any Unit Lite screenshot 2
Convert Any Unit Lite screenshot 3
Convert Any Unit Lite screenshot 4
Convert Any Unit Lite screenshot 5

Convert Any Unit Lite is a versatile app that simplifies unit conversions for users, offering a wide range of conversion options. Easily switch between various units for length, weight, volume, and more with a user-friendly interface. Download now to streamline your conversion needs.

What We Love

  • 👍 Easy to use
  • 🚀 Comprehensive unit conversions
  • 💡 Allows custom unit creation
  • 🔧 Useful for cooking, travel, and work

Room to Improve

  • 🔍 Too many unit options can be overwhelming
  • 🔍 Ads can be intrusive and disrupt usage
  • 🐛 Occasional bugs and freezing issues

More 11331 apps to explore

4
Sci:Pro Calculator
Sci:Pro Calculator
Sci:Pro Calculator
by Jerry Montgomery
Free

A versatile calculator app with Basic, Scientific, and Programmer modes for iPhone, iPad, and iPod Touch. Easily view history and share results via email or copy. Get precise calculations on-the-go!

🔧 Utilities
(3.6K)
5
Desmos Graphing Calculator
Desmos Graphing Calculator
Desmos Graphing Calculator
by Desmos, Inc.
Free

Explore math with a powerful graphing calculator application that allows you to plot various equations, use sliders for interactive adjustments, create tables for data input, analyze statistics, and more. Visit the website to access the free browser version and enhance your mathematical skills today.

📚 Education
(1.3K)
6
WolframAlpha Classic
WolframAlpha Classic
WolframAlpha Classic
by Wolfram Group LLC
$2.99

Get instant expert knowledge and computation with this powerful application based on Wolfram's computational intelligence. Access a vast array of algorithms and data to compute answers, generate reports, and explore various domains. Unlock additional features by becoming a Wolfram|Alpha Pro member. Privacy Policy: [Link] Terms of Use: [Link]

🔍 Reference
(1.2K)
7
Converter-Universal Conversion
Converter-Universal Conversion
Converter-Universal Conversion
by Trelleborg Sealing Solutions
Free

"An all-in-one conversion tool for engineers and scientists, featuring over 300 units across 32 categories, currency conversion, timezone conversion, and more. Switch between themes, create favorite lists, and enjoy a seamless user experience. Available in multiple languages – download now!"

🔧 Utilities
(897)
8
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

A calculator app with a built-in history feature that keeps track of your calculations without any ads. Calculate effortlessly and access your past computations instantly.

💰 Finance
(23K)
9
Fraction Calculator Plus #1
Fraction Calculator Plus #1
Fraction Calculator Plus #1
Decimal to Fractions Converter
Free

This application is a powerful tool for calculating fractions with ease, providing users with a handy way to perform fraction-related calculations quickly and efficiently. Simplify your math tasks and crunch numbers effortlessly with this handy fraction calculator app.

📊 Productivity
(22K)
10
myConvert Lite
myConvert Lite
myConvert Lite
Currency and units converter
Free

This ultimate unit converter covers everyday to scientific conversion needs, offering multiple unit conversions, a built-in numeric keyboard, and customizable features. Download it now to easily convert units, currencies, and more, and upgrade to the full version for additional features and ad-free experience.

🔍 Reference
(4)
11
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

An essential tool for professionals working with dimensions, this app optimizes speed and accuracy while reducing errors. Try it for free before purchase on your App Store account. Ideal for enhancing productivity on the go.

🔧 Utilities
(38K)
12
#1 Age Calculator
#1 Age Calculator
#1 Age Calculator
Reliable. Fast. Simple
Free

A comprehensive task management app that lets you create to-do lists, set reminders, schedule tasks, and prioritize important activities. Stay organized and boost productivity with this all-in-one tool for managing your daily tasks. Start optimizing your time and tasks today!

🏥 Medical
(809)
13
Calculator⁼
Calculator⁼
Calculator⁼
Fraction, Scientific Calc +
Free

A handy math assistant for solving basic and scientific calculations intuitively and quickly. Become a math master with this free app!

🔧 Utilities
(357K)
14
Construction Calculator
Construction Calculator
Construction Calculator
Feet Inch Calculator
Free

A top-rated Construction Calculator designed for iPhone and iPad, catering to carpenters' needs for precise inch, feet, and fraction calculations. Packed with user-friendly features and an elegant design for seamless usability. Experience award-winning accuracy at your fingertips – download now for professional construction calculations!

🔧 Utilities
(554)
15
Hex Base Converter
Hex Base Converter
Hex Base Converter
by Mark Raymond
Free

This number converter application allows users to easily convert between decimal, hexadecimal, octal, and binary number systems. It features a user-friendly interface, automatic error correction, and supports conversions in multiple directions, making it a versatile tool for various numerical conversions.

📚 Education
(44)
16
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

A powerful math solver and scientific calculator for iPad and iPhone, featuring advanced functions and quick calculations. Share your results easily and master your business expenses with percentage calculations. Get it now!

🔧 Utilities
(126K)
17
JPEG-PNG Image file converter
JPEG-PNG Image file converter
JPEG-PNG Image file converter
Format convertor to JPEG, PNG
Free

Convert various image file formats to JPEG or PNG, including HEIF (.heic). Save images to the "Photos" app with automatic album creation. Easily print PNG images as JPEG for compatibility with some printers.

📷 Photo & Video
(17K)
18
Math AI Homework Helper,Solver
Math AI Homework Helper,Solver
Math AI Homework Helper,Solver
Algebra calculator free of ads
Free

Get instant step-by-step math problem solutions with this ad-free app. Stop struggling and download now for free!

📚 Education
(30K)
19
Unit Converter: Mila's Tools
Unit Converter: Mila's Tools
Unit Converter: Mila's Tools
Metric Conversion Calculator +
Free

Experience quick and easy unit conversions with a free, fast, and elegant calculator tool from Mila's Tools. Convert various units such as Area, Bits, Bytes, Length, Temperature, and more effortlessly. Try it out now for hassle-free conversions!

🔧 Utilities
(1.3K)
20
Feet and Inches Calculator
Feet and Inches Calculator
Feet and Inches Calculator
Perfect Construction Calc!
Free

Calculate measurements with ease using this construction calculator designed for quick and accurate results. Perfect for all your project needs – download now and simplify your work!

🔧 Utilities
(384)