52+ Best Apps Like HP 15c Calculator for iPhone (2026)

HP 15c Calculator is great, but it's not the only option. Explore 52+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to HP 15c Calculator

Calculator₊ by Impala Studios

Basic, Scientific, Calc +-

Editor's Choice

🔧 Utilities

4.7😞(1.7M ratings)

FreeAdsIn-App Purchases

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.

What We Love

💻 Useful calculator features
🎨 Customizable backgrounds and themes
📚 Helpful history tracking

Room to Improve

📺 Intrusive full-screen ads
💰 Expensive subscription model
🔍 Ads blocking calculator functionality

Calculator HD Pro Lite by Cider Software LLC

Basic & Scientific Calc

Strong Contender

🔧 Utilities

4.6😊(51K ratings)

FreeAds

This app offers a user-friendly calculator with large buttons and extensive customization options. It features a dual-line display to see input and results simultaneously, saves your calculation history, and provides full scientific functions. Personalize layouts, themes, and even button symbols to suit your needs.

What We Love

👍 Easy to use
📝 Keeps calculation history
💡 Customizable layout and themes
🔢 Large, clear numbers

Room to Improve

💢 Intrusive ads, especially between calculations
🙄 Ads that are difficult to close
🤦‍♂️ Ads that interrupt workflow

Panecal Scientific Calculator by Noriyasu Kutsuzawa

For engineers and students

Worth Considering

🔧 Utilities

4.8😊(1.9K ratings)

FreeAds

Panecal Scientific Calculator screenshot 1

Panecal Scientific Calculator screenshot 2

Panecal Scientific Calculator screenshot 3

Panecal Scientific Calculator screenshot 4

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.

What We Love

👍 Great button layout
👍 Intuitive and user-friendly
👍 Powerful scientific functions
👍 Convenient display and history

Room to Improve

🐛 Calculation errors in some cases
🐛 Glitches and crashes reported
🔍 Lack of engineering prefixes

More apps like HP 15c Calculator

Calculator +ㅤ

Math, Scientific & Fraction

Free

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

🔧 Utilities

(4.1K)

subscription

Calculator +

Scientific Calc Plus Fraction

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

(9.6K)

free with in-app purchases

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

🔧 Utilities

(36K)

free with in-app purchases

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

(357K)

free with in-app purchases

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

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

Calc Pro - The Top Calculator

10 Powerful Calculators

$7.99

This app offers ten powerful calculators, including scientific, graphing, and financial tools, along with numerous worksheets and conversion options. It's designed to handle complex calculations, currency conversions, and financial planning with advanced features and customizable displays.

10 powerful calculatorsScientific calculator with RPNGraphing calculator for up to 8 equations

🔧 Utilities

(354)

paid

Best apps like HP 15c Calculator

Top Alternatives to HP 15c Calculator

What We LoveHighlights summarized from real App Store user reviews

Room to ImproveCommon complaints summarized from real App Store user reviews

What We LoveHighlights summarized from real App Store user reviews

Room to ImproveCommon complaints summarized from real App Store user reviews

What We LoveHighlights summarized from real App Store user reviews

Room to ImproveCommon complaints summarized from real App Store user reviews

More apps like HP 15c Calculator

What We Love

Room to Improve

What We Love

Room to Improve

What We Love

Room to Improve