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powerOne Finance Pro app for iPhone and iPad

4.4 ( 144 ratings )
Productivity Finance
Developer: Infinity Softworks
4.99 USD
Current version: 4.1.9, last update: 10 months ago
First release : 12 Jan 2010
App size: 8.31 Mb

Powerful financial, business and real estate calculator includes algebraic, RPN input and over 400 free calculations. Create your own, keep a history and share with others.

● Multiple time Apple staff pick including Best of 2010
● "The créme de la créme of calculators" - AppAdvice
● "Incredibly powerful tool for calculations of all kinds." - Smokin Apps
● "You need this calculator. Its miles better than the competition." - Robert Burns
● "…sets the benchmark for other calculators to reach." - Fred Swan
● "Not sure how I could do my job without powerOne." - Arvid Martin
● "A legend. The best financial calculator app I have ever seen." - Worldwide Tech
● "… powerOne shines." - Mac Observer


Whether mortgages and real estate, finance and investing, math and science, medical, health, conversions or construction, powerOne has you covered. There are hundreds of spreadsheet-like calculator templates pre-installed or in the Library, ready right now for all kinds of what-if scenario analysis.

And for those one-off calculations use powerOnes elegant algebraic and RPN calculator. Perform calculations in decimal, fraction or feet-inch format with hundreds of functions that include powers, logs, trig, programmers math and more.


Sometimes a number isnt enough. Visually seeing data in the form of a function graph, bar chart or scatter plot enhances understanding like a result never could. For instance, analyze Mortgage, Auto Loan and TVM amortizations, watch investments grow in 401(k) and Savings, and visually see the relationship between NPV, IRR, NUS and NFV in cash flows. Zoom, pan, trace and analyze in many bundled and Library templates, or add to your own.


powerOne is easily customized. It includes a dynamic language to create your own calculator templates. It can be as easy as entering a formula similar to HP Solve or harness the complete capabilities of powerOnes simple scripting language. Hundreds of examples and instructions included.


Past computations are always available at your fingertips. powerOne automatically saves a history of your calculations. Name them, annotate them, share them or re-calculate.


Whether colleague or client, powerOne makes it easy to share the results and created templates, too. Just choose who to send it to. The results are in the email and so is the template. Click the attached template on an iPhone, iPod touch or iPad and it will load right into powerOne.


After 15 years and close to 20 million software calculators distributed, Infinity Softworks has earned its reputation for high quality apps. Wed love to hear from you, whether ideas, help or problems, at


This version of powerOne includes…

* Full-featured algebraic and RPN calculator with three theme options
* Pre-installed calculator templates:
- Time Value of Money with Amortizations
- Mortgages with PITI and Amortizations (Conventional and Canadian)
- Cash Flows including NPV, IRR, NFV, NUS and more
- 401(k)
- Area Conversions
- Auto Lease
- Auto Loan
- Black-Scholes
- Bonds
- Breakeven
- Capitalization Rate
- Currency Conversions
- Date Conversions
- General Loan
- Investment Return
- Length Conversions
- Mass Conversions
- Percent Change
- Profit Margin
- Savings
- Summary Data including sum, average, min and max
- Tip
- Volume Conversions
* Access to hundreds of additional templates in the Library
* Create your own templates
* Perform decimal, fraction or feet-inch math with hundreds of functions ranging from powers and trig to programmers math and matrices
* Save a history of all calculations automatically
* Share results and templates by simply entering a recipient

Pros and cons of powerOne Finance Pro app for iPhone and iPad

powerOne Finance Pro app good for

Vor allem die Plot-Funktion beim „Summary Data“ Template. Kompliment an die Entwickler.
Absolutely tremendous and sophisticated prog. Only One Thing i couldnt find were SI-Units in some cases. So it should be possible to calculate everything by Default in m, cm, l, kg etc. Perhaps i missed the right Option? 100% worth the Fee!!!!
This is the single most useful app on my phone and on my iPad. I use it all the time. Once you discover all the models in the library you WILL stop looking for anything else. Plus the developer is super responsive and friendly. This app is worth a lot more than its price.
This app is one of the best I have ever seen. I just have to say thank you for your hard work.
Every mortgae broker should have this application. I do not have to pack my HP plus you get many other useful calculators. Can not go wrong with this app. Canadian Mortgage Broker
Downloaded this a while a go when i first bought my Ipad. I only used lately while shopping for a car... I beat the Car Salesman with fast calculations using auto loan template. I even had a chance to prouve one of them wrong...! I am sure i saved a couple on hundreds This was my best negociation tool while shopping.

Some bad moments

I have had this calculator app for several years now... I can tell you that the single most important bug, or design flaw, still hasnt been fixed. The problem: when inputting numbers, the app consistently misses inputs, usually when youre entering the second set of numbers after "-,+,/,x. I actually paid for this app and feel like it is broken, and has been since day one.
The best RPN calculator app in the market. Stable and feature-rich.
This is a great calculator app, with lots of useful templates to make all your financial calculations easy. I use it exclusively.
I have been using PowerOne since my Palm times and since my first iPad and iPhone. I type my engineering and finance formulas and I use many of the formulas from the library. I couldnt do my work without this tool. Keep up the good work !
Great app, and long time user- but PLEASE update for the 6 plus already! I could almost fit a 12c in the screen on the 6 plus and theres so much that you could do to make this app even better. Update: Its been over a year now guys... Taking off another star. Please update the app!
I understood this to be a financial calculator - essentially an app for an HP business consultant. But what it is is a scientific calculator with all kinds of trigonometry functions. I just want a simple time value of money, and amortization function and dont feel like investing six months to figure out how to calculate that.

Usually powerOne Finance Pro iOS app used & searched for

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