Best RPN Calculator alternatives: apps like RPN Calculator

10+ similar apps compared and reviewed

4.5 avg rating
10 free apps
Updated November 2026

RPN Calculator is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to RPN Calculator

calculator DUO#1

calculator DUO by Wenbin lei

One-Handed, History & Time
Editor's Choice
๐Ÿ”ง Utilities
5.0(3 ratings)
FreeAdsIn-App Purchases
calculator DUO screenshot 1
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calculator DUO screenshot 6

This utility app allows for comfortable one-handed calculations by letting you reposition the keypad. It also provides features to save and reuse past answers, correct input with a swipe, and handle both everyday and scientific calculations, including date and time functions.

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BigInt Calculator
BigInt Calculator
BigInt Calculator
Arbitrary-precision math
Free

This app offers a fast, multi-threaded calculator with a spreadsheet-like interface for easy editing and instant updates. It handles large numbers and complex expressions with arbitrary-precision arithmetic, making it suitable for various real-world calculations.

Table-based input with step-by-step editingAutomatic real-time recalculationHandles complex expressions with parentheses and exponents
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6
Calculatrice + Historique
Calculatrice + Historique
Calculatrice + Historique
Simple Math with Saved History
Free

This utility app provides essential arithmetic functions with advanced features like large number display and a comprehensive history log. It allows for character-by-character rollback and easy screen clearing, making complex calculations manageable.

Addition, subtraction, multiplication, divisionLarge number displayCalculation history log
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7
Tiles And Bricks Estimator
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PickUp Sign
PickUp Sign
Airport pickup name display
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Transform your phone into a bright, full-screen display for airport pickups or event greetings. It keeps your screen awake and at maximum brightness, ensuring names are always visible. Works offline and offers customizable background colors.

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Block Calculator Plus
Block Calculator Plus
Block Calculator Plus
by Inch Calculator
Free

This app provides nine specialized calculators to accurately estimate masonry materials for various construction projects. It helps calculate blocks, bricks, mortar, concrete, and gravel needed for walls and other structures, supporting multiple units of measurement.

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SAASPASS 2FA MFA App Generator
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This app combines a password manager and a 2FA authenticator code generator with autofill capabilities. It offers secure access to web services and apps, with features like security scans and secure note storage. It supports multiple devices and provides secure backup and restore options.

Password manager with autofill2FA code generator (HOTP/TOTP)Security scan for weak/duplicate passwords
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