Best apps like SFX Calc Premium

10+ similar apps compared and reviewed

4.3 avg rating
3 free apps
Updated July 2026

SFX Calc Premium 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 SFX Calc Premium

RLM-10CX#1

RLM-10CX by Ricardo Lira Matte

Scientific Calculator
Editor's Choice
🔧 Utilities
5.0(1 ratings)
FreeIn-App Purchases
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This scientific calculator offers a comprehensive suite of tools for finance, business, statistics, and complex scientific calculations. It emulates a classic calculator while leveraging modern iOS device capabilities for ease of use and advanced functions.

CMCalc#2

CMCalc by William David

Computer Math Calculator
Strong Contender
🔧 Utilities
4.5(6 ratings)
Free
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This app emulates a classic 1980s computer math calculator, offering decimal arithmetic, binary conversions, and logic functions. It supports parentheses for complex calculations and includes modern features like copy/paste and landscape mode.

RPN-25 CE#3

RPN-25 CE by CuVee Software

Highly popular 1975 calculator
Worth Considering
🔧 Utilities
4.6(9 ratings)
$2.99
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This app is a photo-realistic simulation of the classic HP-25 scientific calculator. It offers advanced programming features, a vast function library, and modern enhancements for enhanced usability on iOS devices.

More apps like SFX Calc Premium

4
x36
x36
x36
An old-school calculator.
$0.99

This app offers a powerful scientific and engineering calculator with advanced features like programmability, multiple number bases, and statistical functions. It emulates the functionality of calculators from the 70s and 80s, providing over 100 functions for complex calculations.

Programmability with 1000 stepsTrigonometric functions with selectable unitsStatistical functions and linear regression
🔧 Utilities
(1)
paid
5
The Universal Calculator
The Universal Calculator
The Universal Calculator
Calculate Everything
$0.99
🔧 Utilities
(0)
6
Scientific Calculator DES-38D
Scientific Calculator DES-38D
Scientific Calculator DES-38D
Scientific & Logical Functions
$5.99

This advanced calculator offers engineers and mathematicians a powerful tool with intuitive, multi-line display and left-to-right data entry. It supports various number bases, notations, and includes extensive statistical analysis and graphing capabilities. All features are available for a one-time purchase.

Multi-line display with left-to-right entrySupports Hex, Binary, Octal number basesDecimal, Scientific, Fractional notation
🔧 Utilities
(3)
paid
7
Timer App
Timer App
Timer App
by Piet Jonas
$0.99

This utility app allows you to create, manage, and monitor multiple timers for various tasks. Timers continue to run in the background even when the app is closed, and current values can be emailed for backup.

Create and remove timersStart, pause, and reset timersRename timers
🔧 Utilities
(5)
paid
8
Unit Eater
Unit Eater
Unit Eater
Real Unit Calculator
Free

This utility app functions as a powerful calculator that handles unit conversions and calculations. It supports a vast array of predefined units and allows users to define their own, making it ideal for scientific and academic tasks. Features include a calculation history, customizable results, and dark mode.

Unit conversion and calculationCustom unit definitionExtensive unit library
🔧 Utilities
(0)
free with in-app purchases
9
Etymology: +2200 English Words
Etymology: +2200 English Words
Etymology: +2200 English Words
The History of English Words
$2.99

Explore the fascinating origins and evolution of English words. This app offers a comprehensive dictionary of word roots, etymological breakdowns, and quizzes to test your knowledge. Customize your learning with flashcards and offline access.

Comprehensive word origin dictionaryCustomizable flashcardsOffline learning mode
🔧 Utilities
(0)
paid
10
GO-29 SciRPN
GO-29 SciRPN
GO-29 SciRPN
by Steve Lidie
$6.99

This app offers a highly accurate simulation of the classic HP-29C programmable scientific calculator. It features RPN input, extensive storage registers, and a wide range of mathematical and statistical functions. Users can program complex calculations, import/export programs, and view detailed program information.

RPN input10-digit LED display simulationFour stack registers
🔧 Utilities
(4)
paid