Best apps like John Cominio RPN Calculator

14+ similar apps compared and reviewed

4.2 avg rating
9 free apps
Updated July 2026

Looking for something like John Cominio RPN Calculator? We've analyzed 14+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
📊 Productivity
4.0(62 ratings)
Free
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KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to John Cominio RPN Calculator

StudyHungry#2

StudyHungry by Shaurya Sarma

Defeat procrastination
Strong Contender
📊 Productivity
4.5(8 ratings)
Free
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Enhance focus and productivity with a built-in Pomodoro timer and daily agenda. Utilize distraction-blocking modes and curated motivational videos to stay on track. Premium features allow for customizable study routines.

Flexblocks - Time Blocking#3

Flexblocks - Time Blocking by Andrey Bukati

Flexblocks Inc.
Worth Considering
📊 Productivity
1.0(1 ratings)
FreeAdsIn-App Purchases
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This app optimizes your day by automatically scheduling time blocks for tasks, helping you avoid procrastination and meet deadlines. It learns your best times to create a personalized schedule.

More apps like John Cominio RPN Calculator

4
Küçük Adımlar
Küçük Adımlar
Küçük Adımlar
by Bengu Engudar
Free
📊 Productivity
(0)
5
JRPN 16C
JRPN 16C
JRPN 16C
by Philip Starner
Free

This app simulates the HP 16C programmer's calculator, replicating its look and functionality. It features a seven-segment display and supports RPN input, with an option to disable windowing for longer number displays. The full source code is available on GitHub.

HP 16C calculator simulationSeven-segment displayReverse Polish Notation (RPN) input
📊 Productivity
(3)
free
6
WP 31s
WP 31s
WP 31s
by Pascal Meheut
Free

This app emulates a classic RPN scientific calculator, offering a rich function set for daily use with a simplified interface. It's based on the more complex WP 34s but is designed for easier operation.

RPN scientific calculator emulationRich function setSimplified, less cluttered keyboard
📊 Productivity
(15)
free
7
Calculator of Formulas
Calculator of Formulas
Calculator of Formulas
Includes graphical plots
Free

This application calculates and graphs mathematical formulas with multiple variables. It allows for programming complex equations, plotting graphs with variable manipulation, and saving frequently used formulas. It also generates tables of results for easy export.

Programs formulas with up to six variablesPlots graphs with variable manipulationRay plotting for n-dimensional functions
📊 Productivity
(1)
free
8
TextReplacer - find & replace
TextReplacer - find & replace
TextReplacer - find & replace
find and replace reinvented
$4.99

Effortlessly replace multiple instances of text or words within documents with a single click. Supports importing and exporting CSV and TXT files, with undo functionality and highlighted replacements. Offers text-to-speech and customizable font sizes for enhanced usability.

Bulk text replacementImport CSV and TXT filesExport results
📊 Productivity
(9)
paid
9
Productive Time
Productive Time
Productive Time
Simple Time Monitoring Concept
Free
📊 Productivity
(0)
10
One-Tap Timer
One-Tap Timer
One-Tap Timer
by Oleksandr Prosin
Free

A straightforward countdown timer for iPhone designed for ease of use. Its intuitive interface allows you to start and manage timers with a single tap, making it a convenient tool for daily tasks. The app focuses on essential functionality without unnecessary complexity.

One-tap timer start and toggleVivid and intuitive user interfaceErgonomic design and functionality
📊 Productivity
(4)
free