Best Business Calculator Apps

249+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our business calculator list covers 249+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Business Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BA Financial CalculatorBA Financial CalculatorFree4.8β˜… (3.3K)YesNoSep 2026
2Business CalculatorBusiness CalculatorFreeβ€”NoNoMay 2026
3OneCalc: All-in-one CalculatorOneCalc: All-in-one CalculatorFree4.6β˜… (5.1K)YesNoSep 2026
4Simple Calculator.Simple Calculator.Free4.6β˜… (1.6K)YesNoSep 2026
5Financial Calculator: PercentFinancial Calculator: PercentFree4.7β˜… (15K)NoYesSep 2026
610bii Financial Calculator10bii Financial Calculator$5.99 was $7.994.7β˜… (662)NoYesAug 2026
7Business Calculator +Business Calculator +Freeβ€”NoYesAug 2026
8Business Profit CalculatorBusiness Profit CalculatorFreeβ€”NoYesMay 2026

Top Picks for Business Calculator

BA Financial Calculator#1

BA Financial Calculator by Angel Montana

BAII Plus Emulator
Editor's Choice
πŸ’° Finance
4.8😐(3.3K ratings)
FreeAds
BA Financial Calculator screenshot 1
BA Financial Calculator screenshot 2
BA Financial Calculator screenshot 3

Emulates the TI BAII Plus financial calculator, offering identical functionality with a clean and user-friendly interface. It's designed for finance professionals and students preparing for exams like CFA, FRM, and CPA.

What We Love

  • πŸš€ Great app
  • πŸš€ Exactly like the real thing
  • πŸ‘ Useful
  • πŸ‘ Solid app
  • πŸ‘ Fantastic
  • πŸ‘ Awesome
  • πŸ‘ Excellent
  • πŸ‘ Convenient
  • πŸ‘ Reliable
  • πŸ‘ Handy

Room to Improve

  • πŸ› Incorrect calculations
  • πŸ› Not accurate
  • πŸ› PrΓ©cision Γ  revoir
  • πŸ› Wrong answers
  • πŸ› TVM DOES NOT WORK! USELESS!
  • πŸ› Gives blatantly wrong calculations
  • πŸ› Values Not Accurate
  • πŸ› Does not properly calculate FV
  • πŸ› WRONG CALCULATIONS
  • πŸ› Calculations are wrong
  • πŸ› Wacky computations
  • πŸ› Not calculating interest rate
  • πŸ› Doesn't Calculate Pymts or PV correctly
  • πŸ› Error
  • πŸ› Can't find help
  • πŸ› Cant calculate PV or doesn't calculate it like a normal one does
  • πŸ› The clearing function doesn't work
  • πŸ› Pmt calculation on mortgage incorrect
  • πŸ› Useless application. Don't waste your time or money.
  • πŸ› Doesn't work
  • πŸ› In accurate
  • πŸ› Calculations are wrong
  • πŸ› Error 1 message
  • πŸ› App keeps crashing
  • πŸ› Don't work
  • πŸ› Calculations are wrong
OneCalc: All-in-one Calculator#3

OneCalc: All-in-one Calculator by tasser gyati

Calculates everything. Try it.
Worth Considering
πŸ“Š Productivity
4.6😊(5.1K ratings)
FreeAds
OneCalc: All-in-one Calculator screenshot 1
OneCalc: All-in-one Calculator screenshot 2
OneCalc: All-in-one Calculator screenshot 3
OneCalc: All-in-one Calculator screenshot 4
OneCalc: All-in-one Calculator screenshot 5
OneCalc: All-in-one Calculator screenshot 6

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

What We Love

  • πŸš€ Excellent app with many handy extras
  • πŸ‘ Easy to use and one of the daily drivers
  • πŸ‘ Helps with work
  • πŸ‘ Great for calculations and conversions
  • πŸ‘ Includes fractions
  • πŸ‘ Perfect for construction and accounting tasks
  • πŸ‘ Sleek modern design with lots of features
  • πŸ‘ Useful for students and middle schoolers
  • πŸ‘ Versatile and has everything needed

Room to Improve

  • πŸ› Crashes when using the 'More' section
  • πŸ› Incorrect date duration calculations
  • πŸ” Ads can be intrusive and disrupt calculations
  • πŸ” Confusing keyboard layout with underlined keys
  • πŸ” Paid version still shows ads
  • πŸ” Lacks scientific functions needed for homework

More Business Calculator apps to explore

FAQ about Business Calculator

What are the best business calculator apps for iPhone?
BA Financial Calculator tops our business calculator apps ranking as of September 2026, with a 4.8-star average from 3.3K App Store ratings, and it's free to download.
Yes β€” 19 of the top business calculator apps we rank are free to download, including BA Financial Calculator and Business Calculator.
BA Financial Calculator shows ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ business calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app emulates the TI BAII Plus financial calculator, providing all its functions. It's designed to be a fast, reliable, and user-friendly tool for finance professionals and students.
The app is ideal for finance and accounting students, as well as professionals. It's particularly useful for those preparing for certifications like the CFA, FRM, and CPA exams.

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