Best Hp 12C Apps

244+ iOS apps curated and reviewed

3.9 avg rating
17 free apps
Updated October 2026

If you already know HP 12c Financial Calculator, this is the deeper bench. 244+ hp 12c apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Hp 12C Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1HP 12c Financial CalculatorHP 12c Financial Calculator$14.994.3โ˜… (343)NoNoOct 2026
2Touch RPN calcTouch RPN calcFree3.4โ˜… (210)YesYesOct 2026
3Retro 15CRetro 15CFree4.3โ˜… (232)NoNoOct 2026
412C - Modern12C - ModernFree3.1โ˜… (10)NoYesOct 2026
5HP 12C Platinum CalculatorHP 12C Platinum Calculator$16.991.6โ˜… (352)NoNoOct 2026
6RLM-12CXRLM-12CXFree4.5โ˜… (19)NoYesOct 2026
7RB 20c Financial CalculatorRB 20c Financial CalculatorFreeโ€”NoYesOct 2026
8Vicinno Financial CalculatorVicinno Financial Calculator$5.994.2โ˜… (1.2K)NoNoOct 2026

Top Picks for Hp 12C

4.3๐Ÿ˜Š(343 ratings)
$14.99
#8in Finance
HP 12c Financial Calculator screenshot 1
HP 12c Financial Calculator screenshot 2
HP 12c Financial Calculator screenshot 3
HP 12c Financial Calculator screenshot 4

This app emulates the legendary HP 12c financial calculator with a redesigned interface and modern look. It preserves the precision and reliability trusted by professionals, offering built-in financial tools for business, banking, real estate, and education.

What We Love

  • ๐Ÿš€ Modern Convenience of a Classic
  • ๐Ÿš€ Made me Money
  • ๐Ÿš€ Perfect
  • ๐Ÿš€ Greatest of all times!
  • ๐Ÿš€ Just like my handheld
  • ๐Ÿš€ Emulator
  • ๐Ÿš€ Finally works like my old dinosaur
  • ๐Ÿš€ An Excellent Must Have
  • ๐Ÿš€ Great App, It Makes Me Feel Fancy
  • ๐Ÿš€ The Top Calculator Out There
  • ๐Ÿš€ Best Update of Best Financial Calculator
  • ๐Ÿš€ HP 12c App
  • ๐Ÿš€ retired
  • ๐Ÿš€ Very good
  • ๐Ÿš€ n/a
  • ๐Ÿš€ Oldie but goodie
  • ๐Ÿš€ Head bottle washer
  • ๐Ÿš€ HP12C owner
  • ๐Ÿš€ HP Calculators
  • ๐Ÿš€ Just like my old friend
  • ๐Ÿš€ Better than ever โ€” better even than the original HP calculator
  • ๐Ÿš€ My one and only
  • ๐Ÿš€ Great work!!
  • ๐Ÿš€ HP 12c
  • ๐Ÿš€ Great

Room to Improve

  • ๐Ÿ› Don't fix what's not broken
  • ๐Ÿ› In decline
  • ๐Ÿ› Step backward
  • ๐Ÿ› It used to work, but now it doesn't
  • ๐Ÿ› Major step backwards in design
  • ๐Ÿ› Major gap backwards in design
  • ๐Ÿ› Ruined app, now even worse, 10 negative stars!
  • ๐Ÿ› Retrograde upgrade - avoid.
  • ๐Ÿ› Retrograde update has spoiled the app completely
  • ๐Ÿ› Layout
  • ๐Ÿ› Don't care for recent upgrade.
  • ๐Ÿ› Keying is inconsistent
  • ๐Ÿ› Buttons don't respond well
  • ๐Ÿ› Terrible Update
  • ๐Ÿ› Awful Update - Destroyed for iPad
  • ๐Ÿ› Changed screen layout
  • ๐Ÿ› New Version Fails in Every WY compared with the previous version
  • ๐Ÿ› Terrible, now even worse, 10 negative stars!
  • ๐Ÿ› Terrible
  • ๐Ÿ› Commas v decimal point
  • ๐Ÿ› Orientation issues
  • ๐Ÿ› Numbers displayed are off from display
Touch RPN calc#2

Touch RPN calc by Elvis Pfutzenreuter

Financial/Sci RPN calculator
Strong Contender
๐Ÿ’ฐ Finance
3.4๐Ÿ˜Š(210 ratings)
FreeAdsIn-App Purchases
Touch RPN calc screenshot 1
Touch RPN calc screenshot 2
Touch RPN calc screenshot 3
Touch RPN calc screenshot 4
Touch RPN calc screenshot 5
Touch RPN calc screenshot 6

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.

What We Love

  • ๐Ÿš€ Excellent HP calculator emulation
  • ๐Ÿ‘ Looks and works like the real thing
  • ๐Ÿ‘ Portrait and landscape modes
  • ๐Ÿ‘ Paid version is ad-free
  • ๐Ÿ‘ Great RPN calculator

Room to Improve

  • ๐Ÿ› Ads in free version
  • ๐Ÿ› Ads appearing in paid version
  • ๐Ÿ› Incorrect calculations
  • ๐Ÿ› Landscape mode issues
  • ๐Ÿ› Inability to clear memory
4.3๐Ÿ˜Š(232 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

  • ๐Ÿš€ Lightning-fast calculator
  • ๐Ÿ‘ Authentic look and feel of HP 15C
  • ๐Ÿš€ Faster than real HP 15C
  • ๐Ÿ‘ Excellent RPN emulation
  • ๐Ÿ‘ Familiar interface for HP 15C users
  • ๐Ÿ‘ Great representation of original calculator
  • ๐Ÿ‘ Obvious labor of love by developer

Room to Improve

  • ๐Ÿ› Doesn't save settings, programs, or memory
  • ๐Ÿ› No key press feedback or sound
  • ๐Ÿ› Blinking display issue with large calculations
  • ๐Ÿ› Bugs with HMS conversions
  • ๐Ÿ› Can't close app on newer iPhones

More Hp 12C apps to explore

FAQ about Hp 12C

What are the best hp 12c apps for iPhone?
HP 12c Financial Calculator tops our hp 12c apps ranking as of October 2026, with a 4.3-star average from 343 App Store ratings, and it's priced at $14.99.
Yes โ€” 17 of the top hp 12c apps we rank are free to download, including Touch RPN calc and Retro 15C.
HP 12c Financial Calculator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 244+ hp 12c apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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