Best Hp 15C Apps

248+ iOS apps curated and reviewed

3.6 avg rating
16 free apps
Updated July 2026

Retro 15C is the household name in hp 15c, but it's far from the only option. We track 248+ alternatives and competitors on iOS β€” many free, many higher-rated than you'd expect.

Compare top Hp 15C Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Retro 15CRetro 15CFree4.3β˜… (212)NoNoJul 2026
2HP 15c CalculatorHP 15c Calculator$14.994.8β˜… (205)NoNoAug 2026
3HP15C: Scientific CalculatorHP15C: Scientific Calculator$4.992.7β˜… (3)NoNoAug 2026
4ThreadsThreadsFree4.6β˜… (2.1M)YesYesAug 2026
5RLM-15CXRLM-15CXFree4.3β˜… (13)NoYesJul 2026
6HPHPFree4.7β˜… (4.1M)NoNoAug 2026
7Touch RPN calcTouch RPN calcFree3.4β˜… (208)YesYesAug 2026
815C Pro Scientific Calculator15C Pro Scientific Calculator$5.993.8β˜… (281)NoNoAug 2026

Top Picks for Hp 15C

Retro 15C#1

Retro 15C by Greg Hewgill

Editor's Choice
πŸ”§ Utilities
4.3😊(212 ratings)
Free
Retro 15C screenshot 1
Retro 15C screenshot 2

This app emulates a classic RPN scientific calculator, offering advanced features like complex number arithmetic, matrix calculations, and programmability. It provides a functional and complex tool reminiscent of 1980s calculators.

What We Love

  • πŸš€ Lightning-fast calculator
  • πŸ‘ Authentic look and feel of HP 15C
  • πŸš€ Faster than real HP 15C
  • πŸ‘ Excellent RPN emulation

Room to Improve

  • πŸ› Doesn't save settings, programs, or memory
  • πŸ› No key press feedback or sound
  • πŸ› Blinking display issue with large calculations
HP 15c Calculator#2

HP 15c Calculator by MORAVIA Consulting, spol. s r.o.

Official emulator of HP 15c
Strong Contender
πŸ”§ Utilities
4.8😊(205 ratings)
$14.99
HP 15c Calculator screenshot 1
HP 15c Calculator screenshot 2
HP 15c Calculator screenshot 3
HP 15c Calculator screenshot 4

Experience the official emulator of the legendary HP 15c scientific calculator. This app offers a redesigned interface and modern look while preserving the precision and reliability of the original. It features RPN input, matrix calculations, complex functions, and numerical integration for professionals and students.

What We Love

  • πŸš€ Excellent emulation of original HP 15C
  • πŸ‘ Faithful reproduction of classic calculator
  • πŸ‘ Includes original manual
  • πŸ‘ Works just like the real thing

Room to Improve

  • πŸ› Display issues in portrait mode
  • πŸ› Bugs with programming and trig functions
  • πŸ”‡ Loud button click sound
HP15C: Scientific Calculator#3

HP15C: Scientific Calculator by FERMAVE

Classic Science Calc for you
Worth Considering
πŸ”§ Utilities
2.7(3 ratings)
$4.99
HP15C: Scientific Calculator screenshot 1
HP15C: Scientific Calculator screenshot 2
HP15C: Scientific Calculator screenshot 3
HP15C: Scientific Calculator screenshot 4

Relive the classic computing experience with a vintage scientific calculator. This app emulates a beloved 90s model, offering a nostalgic and functional tool for calculations.

More Hp 15C apps to explore

4
Threads
Threads
Threads
Join the conversation
Free

Connect and share your thoughts on a platform designed for conversation. Discover trending topics, join communities based on your interests, and engage in discussions through text, images, and polls. You can also control your experience with privacy settings and direct messaging.

Start conversations with text, images, polls, and moreJoin discussions through repliesStay updated on trending topics
🌐 Social Networking
(2.1M)
free with in-app purchases
5
RLM-15CX
RLM-15CX
RLM-15CX
Advance Scientific Calculator
Free

This advanced scientific calculator emulates the functionality of the HP-15C, offering comprehensive tools for finance, business, statistics, and scientific calculations. It supports programming, equation solving, and unit conversions, optimized for iOS devices.

Programmable advanced scientific calculatorFinance and business calculation menusStatistics and probability functions
πŸ“Š Productivity
(13)
free with in-app purchases
6
HP
HP
HP
The best of HP, in one place
Free

Manage your HP devices, from setup to printing and scanning. Personalize your experience, access creative printables, and get instant support. Keep your HP technology running smoothly with this all-in-one solution.

Guided device setupPrinter and computer managementPrint and scan documents
πŸ“Š Productivity
(4.1M)
free with in-app purchases
7
Touch RPN calc
Touch RPN calc
Touch RPN calc
Financial/Sci RPN calculator
Free

This app offers a powerful RPN calculator with financial and scientific functions, mimicking popular industry-standard models. It includes programming capabilities and expandable flavors for diverse calculation needs.

RPN financial calculatorRPN scientific calculatorProgramming functions
πŸ’° Finance
(208)
free with in-app purchases
8
15C Pro Scientific Calculator
15C Pro Scientific Calculator
15C Pro Scientific Calculator
HP 15C emulator
$5.99

This app emulates the HP 15C scientific calculator, offering advanced functions like complex numbers, matrix operations, numerical integration, and root finding. It provides the same capabilities as the original hardware with enhanced performance for your mobile device.

Complex number supportMatrix operationsNumerical integration
πŸ”§ Utilities
(281)
paid
9
HP Sprocket
HP Sprocket
HP Sprocket
by C&A Marketing, Inc.
Free

This app allows you to print photos from your smartphone or social media directly to HP Sprocket printers. Customize your images with text, borders, and emojis before printing on various photo paper sizes, including sticker options.

Print photos from smartphone and social mediaEdit photos with text, borders, and emojisSupports multiple photo paper sizes
πŸ“· Photo & Video
(65K)
ad-supported
10
HP Support Assistant
HP Support Assistant
HP Support Assistant
by HP Inc.
Free

Easily maintain your HP PCs and printers and resolve issues with support notifications, device status, and guided assistance. Troubleshoot common problems, monitor device health, and find replacement parts.

Guided troubleshootersVirtual Agent for problem-solvingDevice status monitoring
πŸ”§ Utilities
(235)
free
11
HP Sprocket Photobooth
HP Sprocket Photobooth
HP Sprocket Photobooth
Photobooth
Free

This app allows you to remotely monitor your HP Sprocket Photobooth. Receive instant notifications for paper jams, low paper, firmware updates, and new frames, ensuring your device is always ready for guests to capture memories.

Remote device monitoringInstant status notificationsPaper jam alerts
πŸ“· Photo & Video
(5)
free
12
Canon PRINT
Canon PRINT
Canon PRINT
App name change.
Free

This app connects to your Canon printer to enable printing and scanning directly from your mobile device. It also offers features like checking ink levels and cloud printing capabilities.

Printer setupDirect printingScanning
πŸ“· Photo & Video
(598K)
ad-supported
13
Safari
Safari
Safari
World’s fastest, truly private
Free

Browse the web at high speeds with advanced privacy features and extensive customization. Access your tabs, translate pages, and sync data across your Apple devices. Enjoy a cleaner reading experience and personalized browsing.

Cross-device syncingPrivate Browsing modeIntelligent Tracking Prevention
πŸ”§ Utilities
(147K)
free
14
HP Advance
HP Advance
HP Advance
by HP Inc.
Free

This business application facilitates secure and efficient printing from mobile devices. It allows users to quickly print documents and web pages, select authorized printers, and manage print jobs without needing a mail client.

Print documents and web pagesSelect authorized printersSearch printers by name/location
πŸ’Ό Business
(26)
free
15
HP Sprocket Panorama
HP Sprocket Panorama
HP Sprocket Panorama
by C&A Marketing, Inc.
Free

Easily print and edit custom designs as stickers. Personalize images with text and adjust layouts for unique prints up to 9 inches long. Perfect for decorating, organizing, or sharing.

Print and edit creationsDesign stunning imagesCreate custom stickers
πŸ“· Photo & Video
(109)
free
16
Amazon Kindle: Reading App
Amazon Kindle: Reading App
Amazon Kindle: Reading App
Read books. Millions of ebooks
Free

Access a vast library of eBooks, magazines, and comics on your mobile device. Customize your reading experience with adjustable text, brightness, and page-turning options. Look up words, track progress, and sync across devices.

Read purchased eBooksAccess Kindle UnlimitedCustomizable text and display
πŸ“š Books
(5.8M)
free with in-app purchases
17
HP PrintOS Service Center
HP PrintOS Service Center
HP PrintOS Service Center
by HP Inc.
Free

This tool empowers HP Certified Service Delivery Partners to offer efficient support and reduce resolution times. It aims to cut operational costs and enhance the customer service experience.

Quick service supportReduced time to solutionOperational cost savings
πŸ’Ό Business
(3)
ad-supported
18
HP16C
HP16C
HP16C
by Michael Doornbos
Free

This app faithfully recreates the legendary HP 16C Computer Scientist calculator, offering advanced hex arithmetic, bit manipulation, and base conversion. It features RPN, keystroke programming, and modern enhancements like a two-line display and haptic feedback.

Full RPN calculatorInteger arithmetic (HEX, DEC, OCT, BIN)Configurable word size (1-64 bits)
πŸ”§ Utilities
(2)
free
19
Pages: Create Documents
Pages: Create Documents
Pages: Create Documents
Documents that stand apart
Free

Create visually appealing documents with a wide range of templates and editing tools. Enhance your work with multimedia, track changes, and collaborate seamlessly. Offers advanced features for writing, design, and presentation.

Apple-designed templatesAdd images, video, audioTrack changes and comments
πŸ“Š Productivity
(542K)
free
20
HP 12C Platinum Calculator
HP 12C Platinum Calculator
HP 12C Platinum Calculator
Financial Calculator
$16.99

This app offers the functionality of the industry-standard HP 12c Platinum Financial Calculator on your iPhone or iPod touch. It supports both RPN and algebraic data entry, with editing features like backspace and undo. Perform complex financial calculations for real estate, banking, and more.

RPN and algebraic data entryLoan payments, TVM, NPV, IRR calculationsCashflow and bond calculations
πŸ’° Finance
(350)
paid

FAQ about Hp 15C

What are the best hp 15c apps for iPhone?
Retro 15C tops our hp 15c apps ranking as of July 2026, with a 4.3-star average from 212 App Store ratings, and it's free to download.
Yes β€” 16 of the top hp 15c apps we rank are free to download, including Retro 15C and Threads.
Retro 15C has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 248+ hp 15c apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
The Retro 15C app emulates a classic RPN (Reverse Polish Notation) scientific calculator. It offers a wide range of advanced mathematical functions, including complex number arithmetic, matrix calculations, numerical root finding, and integration.
Key features include complex number arithmetic and trig functions, matrix calculations, a numerical root finder, numerical integration, statistical functions with linear regression, and full programmability. It aims to replicate the functionality of classic 1980s RPN calculators.

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