Best Hp 15C Apps

248+ iOS apps curated and reviewed

3.9 avg rating
16 free apps
Updated October 2026

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

Compare top Hp 15C Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1HP 15c CalculatorHP 15c Calculator$14.994.8โ˜… (207)NoNoOct 2026
2Retro 15CRetro 15CFree4.3โ˜… (212)NoNoOct 2026
3HP16CHP16CFree4.3โ˜… (3)NoNoOct 2026
4RLM-15CXRLM-15CXFree4.1โ˜… (17)NoYesSep 2026
515C Pro Scientific Calculator15C Pro Scientific Calculator$5.993.8โ˜… (281)NoNoSep 2026
6HP15C: Scientific CalculatorHP15C: Scientific Calculator$4.992.7โ˜… (3)NoNoAug 2026
7HPHPFree4.7โ˜… (4.2M)NoNoOct 2026
8HP Ink OrderHP Ink OrderFreeโ€”NoNoMay 2026

Top Picks for Hp 15C

HP 15c Calculator#1

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

Official emulator of HP 15c
Editor's Choice
๐Ÿ”ง Utilities
4.8๐Ÿ˜Š(207 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

  • ๐Ÿš€ Excellent emulation of original HP 15C
  • ๐Ÿ‘ Faithful reproduction of classic calculator
  • ๐Ÿ‘ Includes original manual
  • ๐Ÿ‘ Works just like the real thing
  • ๐Ÿ‘ Vertical layout with key features
  • ๐Ÿ‘ Great update with new features

Room to Improve

  • ๐Ÿ› Display issues in portrait mode
  • ๐Ÿ› Bugs with programming and trig functions
  • ๐Ÿ”‡ Loud button click sound
  • ๐Ÿ’ฐ Expensive for an app
4.3๐Ÿ˜Š(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

  • 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
4.3(3 ratings)
Free
HP16C screenshot 1
HP16C screenshot 2
HP16C screenshot 3
HP16C screenshot 4

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.

More Hp 15C apps to explore

FAQ about Hp 15C

What are the best hp 15c apps for iPhone?
HP 15c Calculator tops our hp 15c apps ranking as of October 2026, with a 4.8-star average from 207 App Store ratings, and it's priced at $14.99.
Yes โ€” 16 of the top hp 15c apps we rank are free to download, including Retro 15C and HP16C.
HP 15c Calculator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 248+ hp 15c apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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