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10BII Calc HD Downloads & Revenue10BII Calc HD · App Store

10BII Calc HD is #10 in Finance Paid in United States and charting in 22 of 30 countries we track.

Updated 8 Nov 2026 · rankings refresh through the day

DeveloperErnest Brock
CategoryFinance
Price8.99 USD
Released
Rating★ 4.9 (3.8k)
Version3.8
Age rating4+
First seen by us 24 Sep 2026

10BII Calc HD update history & changes

Last change · 22 events since 20 Sep 2010Full timeline ↓
Full timeline · 22 events
  1. 📈
    10BII Calc HD new best rank in the overall chart: #45
    Top Paid · All Apps · ZA
  2. 📈
    10BII Calc HD new best rank in the overall chart: #84
    Top Paid · All Apps · ZA
  3. 📈
    10BII Calc HD entered the top 100
    Top Paid · All Apps · ZA
  4. 📈
    10BII Calc HD hit #1
    Top Paid · Finance · ZA
  5. 📈
    10BII Calc HD entered the top 10
    Top Paid · Finance · TW
  6. 📈
    10BII Calc HD entered the top 100
    Top Grossing · Finance · TW
  7. 📈
    10BII Calc HD entered the top 10
    Top Paid · Finance · JP
  8. 📈
    10BII Calc HD entered the top 100 in 2 charts
    Top Grossing · Finance · JP · Top Grossing · Finance · ZA
  9. 📈
    10BII Calc HD charting in a new country
    Philippines
  10. 📈
    10BII Calc HD entered the top 10
    Top Paid · Finance · ZA
  11. 📈
    10BII Calc HD entered the top 100 in 3 charts
    Top Paid · Finance · AR · Top Paid · Finance · CO · Top Paid · Finance · MY
  12. 📈
    10BII Calc HD charting in a new country in 4 charts
    Argentina · Colombia · Malaysia · South Africa
  13. 📈
    10BII Calc HD entered the top 10
    Top Paid · Finance · CA
  14. 📈
    10BII Calc HD entered the top 10
    Top Paid · Finance · AU
  15. 📈
    10BII Calc HD entered the top 100
    Top Paid · Finance · CN
  16. 📈
    10BII Calc HD entered the top 100
    Top Paid · Finance · GB
  17. 📈
    10BII Calc HD entered the top 10
    Top Paid · Finance · US
  18. 📈
    10BII Calc HD entered the top 100
    Top Paid · Finance · ID
  19. 📈
    10BII Calc HD charting in a new country in 2 charts
    Indonesia · Turkey
  20. 🆕
    10BII Calc HD first spotted by AppInsider
    #33 in Top Paid · Finance · Canada
  21. 📦
    10BII Calc HD version 3.8
    No release notes
  22. 🆕
    10BII Calc HD released on the App Store

Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.

Rating
4.9 ★
3.8k ratings
Measured
Best rank now
#10
Finance Paid
Measured
New ratings a week
5.6
▲ +20% vs the 2 weeks before
Measured

10BII Calc HD at a glance

AI summary written from our chart and store data, 2026-11-08. It can be wrong: check the numbers above.

A premium financial calculator app for iOS that replicates the functionality of the HP-10BII business calculator, targeting finance professionals and students who need tools for time-value-of-money calculations, cash flow analysis, and statistical forecasting. The app maintains strong paid rankings in the Finance category across multiple regions, notably holding the #2 position in South Africa and top-50 positions in the US, Canada, and several Asian markets.

Similar apps: HP 12C Financial Calculator, TI BA II Plus Professional, FinCalc

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