i know percent 4+

Percentage Calculator

Dmitry Mashkin

Designed for iPad

    • 4.7 • 20 Ratings
    • $0.99



i know percent is a modern and elegant application for calculating percentage that works in real time. Easy minimalistic interface allows you to perform tasks quickly. We also included help screens, where you can learn about the application of percentage in real life.

Easy way to solve four types of percents:

1. Percentage increase / decrease from X to Y
2. What is the X% of Y
3. Add the X% to Y
4. Subtract X% from Y
5. X is what percent of Y?

Added a simple currency converter.

Every day, percentage is present in our lives.
Just calculate them faster with the app - i know percent.

What’s New

Version 3.0

- Bug fixes and performance improvements
- Added a new percentage calculator
- Added a simple currency converter
- Improved the interface

Ratings and Reviews

4.7 out of 5
20 Ratings

20 Ratings

Parag09 ,

Fine thing, but missing some points…

Add another function like “X is how many % of Y”… you have one function just opposite of this… but this is missing… add this one on next update….

Thanks for adding the asking…. :-)

Developer Response ,

Let's try to do it :)

Emmachette ,

So helpful!

I always have to google for a percent calculator and then try to find the one I want.

Developer Response ,

Thanks a lot! We are so happy that you are using i know percent ✨

Kirdetzoff ,

⭐️⭐️⭐️⭐️⭐️ + no ads!

Удивительная простая программа. Было бы неплохо добавить больше функциональных возможностей в будущем.

App Privacy

The developer, Dmitry Mashkin, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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