10bii+ Financial Calculator Downloads & Revenue10bii+ Financial Calculator · App Store
10bii+ Financial Calculator is #44 in Finance Paid in Japan and charting in 28 of 30 countries we track.
Updated 9 Nov 2026 · rankings refresh through the day
24 Sep 202610bii+ Financial Calculator update history & changes
Last change · 17 events since 5 Nov 2013Full timeline ↓Full timeline · 16 events in the last 12 months
- 📈10bii+ Financial Calculator entered the top 10Top Paid · Finance · JP
- 📈10bii+ Financial Calculator charting in a new countryPhilippines
- 📈10bii+ Financial Calculator entered the top 100 in 5 chartsTop Paid · Finance · AR · Top Paid · Finance · CO · Top Paid · Finance · MY · Top Paid · Finance · PL · +1 more
- 📈10bii+ Financial Calculator charting in a new country in 5 chartsArgentina · Colombia · Malaysia · Poland · +1 more
- 📈10bii+ Financial Calculator entered the top 10Top Paid · Finance · MX
- 📈10bii+ Financial Calculator entered the top 100 in 2 chartsTop Grossing · Finance · FR · Top Grossing · Finance · MX
- 📈10bii+ Financial Calculator entered the top 10Top Paid · Finance · FR
- 📈10bii+ Financial Calculator entered the top 10Top Paid · Finance · TW
- 📈10bii+ Financial Calculator entered the top 10Top Paid · Finance · NL
- 📈10bii+ Financial Calculator entered the top 100Top Grossing · Finance · NL
- 📈10bii+ Financial Calculator entered the top 100Top Paid · Finance · IT
- 📈10bii+ Financial Calculator entered the top 100Top Paid · Finance · DE
- 📈10bii+ Financial Calculator charting in a new countrySaudi Arabia
- 📈10bii+ Financial Calculator charting in a new country in 4 chartsGermany · Italy · Turkey · Vietnam
- 🆕10bii+ Financial Calculator first spotted by AppInsider#68 in Top Paid · Finance · Canada
- 🆕10bii+ Financial Calculator released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Finance Paid10bii+ Financial Calculator at a glance
AI summary written from our chart and store data, 2026-10-29. It can be wrong: check the numbers above.
A paid financial calculator app emulating the HP 10bII, designed for finance professionals and students requiring precise time-value-of-money, amortization, and statistical analysis tools. The app holds a strong position in the Japanese paid finance charts at #3, while maintaining moderate visibility in other major markets like Poland (#15) and the US (#23).
Similar apps: HP 12C Financial Calculator, TI BA II Plus Professional, Financial Calculator Pro
10bii+ Financial Calculator on the App Store
App details
10bii+ Financial Calculator downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where 10bii+ Financial Calculator's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | FinancePaid | #44 |
 China | FinancePaid | #69 |
 United States | FinancePaid | #121 |
 South Korea | FinancePaid | #34 |
 France | FinancePaid | #39 |
 Poland | FinancePaid | #15 |
 Brazil | FinancePaid | #47 |
 Mexico | FinancePaid | #32 |
 Germany | FinancePaid | #97 |
| Canada | FinancePaid | #65 |
 United Kingdom | FinancePaid | #151 |
 Australia | FinancePaid | #77 |
 Taiwan | FinancePaid | #45 |
 Spain | FinancePaid | #54 |
 Sweden | FinancePaid | #32 |
 Italy | FinancePaid | #97 |
 Netherlands | FinancePaid | #47 |
 India | FinancePaid | #130 |
 South Africa | FinancePaid | #20 |
 Russia | FinancePaid | #111 |
 Indonesia | FinancePaid | #88 |
 Colombia | FinancePaid | #32 |
 Malaysia | FinancePaid | #40 |
 Argentina | FinancePaid | #63 |
 Turkey | FinancePaid | #175 |
 Thailand | FinancePaid | #163 |
 Vietnam | FinancePaid | #157 |
 Philippines | FinancePaid | #163 |
Apps near 10bii+ Financial Calculator on the chart
Finance Paid, around #44.
Ratings
App Store, worldwide.
Review momentum
ⓘ How we measure thisReview momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about 10bii+ Financial Calculator
From the 50 most recent App Store reviews in the US.
The majority of recent reviews report that the app crashes immediately or fails to open following iOS 13 updates, with users expressing frustration over lack of developer support. While some earlier reviews praised the calculator's accuracy and interface, current sentiment is dominated by reports of broken functionality and incorrect calculation results.
Mostly negative (20% of recent reviews give 4–5 stars). People like it for regular updates, and being useful. The main complaints are about crashes and bugs, and recent updates. Recent reviews are more positive than earlier ones.
What people like
- Updates: “Updated and Works with IOS 13”
- Useful: “I have been using it for years, it works great”
- Crashes & bugs: “Now the app immediately crashes on my iPhone and my iPad”
- Ease of use: “The calculation is fast and the UI is clean and easy to use”
Common complaints
- Crashes & bugs: “Crashing, won’t even open”
- Updates: “Please update for iOS 13!”
- Price & subscription: “How do I get a refund?????”
- Customer support: “One on 9/24/19; and after no response, made the next on 10/28/19”
About 10bii+ Financial Calculator
With more than 120 functions for financial analysis, business, statistics, and mathematics, and modeled on the popular HP 10bII Financial Calculator, 10bii Financial Calculator app combines precise mathematics, intuitive display, and ease-of-use in one package. It allows you to easily calculate time value of money, amortization, investment value, mortgage and loan payments, interest rates, and more using powerful and intuitive worksheets.
*** Highlight Features ***
• Time Value of Money TVM
• Amortization
• Cash flow analysis: Net Present Value (NPV), and Internal Rate of Return (IRR)
• Mortgage and Loan payment calculation
• Business percentage calculation like Cost, Price, Margin, and Markup
• Interest Rate Conversion between Nominal and Annual Effective Interest Rates
• Statistical analysis
• 10 Memories for storage.
• Choice of Chain and Algebraic Calculation Mode
• Scientific capabilities, including log, exponent, power etc.
• Key click sound feedback
• N, I/YR, PV, PMT and FV values displayed right above buttons
• Easy data entry in Cash Flow, Stats, TVM calculation with spreadsheet-like worksheets
• One-click access to user manual and customer support within the app
• Easy setting up number format, decimal point, calculation mode (Alg or Chain), and so on via in-app settings
• More ...
**** Support ****
Feel free to email us at [email protected] whenever you need help.
**** Stay tuned ****
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