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Best Programmable Calculator Software Apps

11+ iOS apps curated and reviewed

4.8 avg rating
1 free apps
Updated June 2026

If you already know Converter+ (Units, Currencies), this is the deeper bench. 11+ programmable calculator software apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Compare top Programmable Calculator Software Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Converter+ (Units, Currencies)Converter+ (Units, Currencies)Free4.7★ (2.4K)NoYesOct 2026
2RPN-65 SDRPN-65 SD$2.995.0★ (8)NoNoAug 2026
3Converter Plus [paid]Converter Plus [paid]$1.994.7★ (202)NoNoSep 2026
4RPN-55 SDRPN-55 SD$1.995.0★ (8)NoNoAug 2026
5RPN-25 CERPN-25 CE$2.994.6★ (9)NoNoAug 2026
6RPN-67 SDRPN-67 SD$3.994.6★ (17)NoNoAug 2026
7RPN-32 CERPN-32 CE$1.995.0★ (9)NoNoAug 2026
8RPN-34 CERPN-34 CE$1.995.0★ (14)NoNoSep 2026

Top Picks for Programmable Calculator Software

Converter+ (Units, Currencies)#1

Converter+ (Units, Currencies) by TranCreative Software

Unit and Currency Converter
Editor's Choice
📊 Productivity
4.7😊(2.4K ratings)
FreeIn-App Purchases
Converter+ (Units, Currencies) screenshot 1
Converter+ (Units, Currencies) screenshot 2
Converter+ (Units, Currencies) screenshot 3
Converter+ (Units, Currencies) screenshot 4
Converter+ (Units, Currencies) screenshot 5

This app offers a comprehensive unit and currency converter with a vast array of categories and calculators for everyday needs. It allows users to customize templates, download shared ones, and provides automatic exchange rate updates for 167 world currencies.

What We Love

  • 🚀 Excellent converter
  • 👍 Customizable and easy to use
  • 🚀 Comprehensive and versatile
  • 👍 Simple and intuitive interface
  • 👍 Handy for everyday use
  • 👍 Reliable and robust
  • 👍 Useful for cooking, travel, and more

Room to Improve

  • 🐛 Currency conversion rates not up-to-date
  • 🐛 Clipboard data access concerns
  • 🐛 Ads can be intrusive
  • 🐛 Occasional bugs or glitches
RPN-65 SD#2

RPN-65 SD by CuVee Software

First programmable calculator!
Strong Contender
📊 Productivity
5.0(8 ratings)
$2.99
RPN-65 SD screenshot 1
RPN-65 SD screenshot 2
RPN-65 SD screenshot 3
RPN-65 SD screenshot 4
RPN-65 SD screenshot 5
RPN-65 SD screenshot 6

Experience a faithful simulation of the groundbreaking HP-65 programmable calculator on your iPhone. This app offers virtual program and data cards, a paper tape printer, and a robust card manager. Explore four distinct operating modes, including an enhanced "Super-65" option.

Converter Plus [paid]#3

Converter Plus [paid] by TranCreative Software

Unit and Currency Converter
Worth Considering
🔧 Utilities
4.7😊(202 ratings)
$1.99
Converter Plus [paid] screenshot 1
Converter Plus [paid] screenshot 2
Converter Plus [paid] screenshot 3
Converter Plus [paid] screenshot 4
Converter Plus [paid] screenshot 5

This app offers a comprehensive unit and currency converter with a vast array of categories and calculators for everyday financial and scientific needs. It allows users to customize templates, download shared ones, and automatically refreshes currency exchange rates.

What We Love

  • 👍 Easy to use
  • 🚀 Comprehensive conversions
  • 💡 Customizable templates
  • 🔍 Helpful for travel and daily life
  • ⭐ Overall great app

Room to Improve

  • 🐛 Currency rates not updating
  • 🐛 Formulas not visible during editing
  • 🔍 Lack of developer support and updates
  • 🔍 Broken links and permissions errors

More Programmable Calculator Software apps to explore

FAQ about Programmable Calculator Software

What are the best programmable calculator software apps for iPhone?
Converter+ (Units, Currencies) tops our programmable calculator software apps ranking as of June 2026, with a 4.7-star average from 2.4K App Store ratings, and it's free to download.
Yes — 1 of the top programmable calculator software apps we rank are free to download, including Converter+ (Units, Currencies).
Converter+ (Units, Currencies) has no ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 11+ programmable calculator software apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.