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Best apps like One Converter: Unit Calculator

74+ similar apps compared and reviewed

4.6 avg rating
8 free apps
Updated August 2026
One Converter: Unit Calculator
🔧 Utilities
💼 Business

Whether you want more options like One Converter or a completely different take on the same concept, our curated list of 74+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to One Converter

Calculator +#1

Calculator + by xNeat.com

Scientific Calc Plus Fraction
Editor's Choice
🔧 Utilities
4.6😊(9.6K ratings)
FreeAdsIn-App Purchases
Calculator + screenshot 1

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.

What We Love

  • 👍 Great features and easy to use
  • 👍 Efficient and quick
  • 👍 Versatile, functional calculator
  • 👍 Fantastic, easy to use app

Room to Improve

  • 🐛 New updated layout is awful
  • 🐛 App is now terrible
  • 🔒 Paying customer screwed over by update
Unit Converter and Calculator.#2

Unit Converter and Calculator. by Kemal Bakacak

Metric & Measure Conversion
Strong Contender
🔧 Utilities
4.2(80 ratings)
FreeAdsIn-App Purchases
Unit Converter and Calculator. screenshot 1
Unit Converter and Calculator. screenshot 2
Unit Converter and Calculator. screenshot 3
Unit Converter and Calculator. screenshot 4

Effortlessly perform a vast array of unit conversions with this comprehensive mobile application. It offers real-time, accurate results across over 70 categories and 1450 units, featuring a user-friendly design and offline access.

Calculator SC-323PU#3

Calculator SC-323PU by Thomas Öllinger

Scientific Calculator
Worth Considering
🔧 Utilities
4.7(118 ratings)
$3.99
Calculator SC-323PU screenshot 1
Calculator SC-323PU screenshot 2
Calculator SC-323PU screenshot 3
Calculator SC-323PU screenshot 4
Calculator SC-323PU screenshot 5
Calculator SC-323PU screenshot 6

This app provides a multi-functional calculator with a familiar interface. It includes scientific, unit conversion, and logic calculation modes, along with extensive mathematical functions and constants. Calculations can be shared across modes, and it supports copy-paste functionality.

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4
Unit of measurement converter
Unit of measurement converter
Unit of measurement converter
Conversion units Calculator
Free

Easily convert between various units of measurement for length, area, volume, weight, and more. Input values and instantly see results, simplifying daily calculations for work, homework, or household tasks.

Converts 95 units across 15 categoriesSupports length, area, volume, weight, time, and moreInstant conversion results
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(372)
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Calculator₊
Calculator₊
Calculator₊
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This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

Basic and scientific calculationsUnit and currency converterAI-powered math solver with photo recognition
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Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

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
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7
Xmart Calculator Pro
Xmart Calculator Pro
Xmart Calculator Pro
Programmable calculator
$5.99

This app functions as an intelligent, programmable calculator that allows users to define custom algebraic functions. It provides instant results as expressions are updated and offers step-by-step calculation traceability. Users can save, recall, and share their calculation history.

Define custom algebraic functionsInstant calculation resultsStep-by-step calculation traceability
🔧 Utilities
(152)
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Calculator 17 - Math Solver
Calculator 17 - Math Solver
Calculator 17 - Math Solver
Home Screen Widget
Free

This app offers a user-friendly calculator with basic and scientific modes. Access calculations instantly via a home screen widget and review past computations in a saved history.

User-friendly interfaceBasic and scientific modesHome screen widget
🔧 Utilities
(908)
free
9
Haseba Calculator
Haseba Calculator
Haseba Calculator
Basic, Scientific, Easy to Use
Free

This app offers a user-friendly calculator with both basic and scientific functions. It features a clean interface, voice input, and convenient history tracking. Advanced options include memory slots for storing values and applying operations to them.

Scientific calculatorVoice calculatorCalculation history
🔧 Utilities
(3.8K)
free with in-app purchases
10
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

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
🔧 Utilities
(126K)
free with in-app purchases
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