If you are looking for an advanced yet super easy to use business calculator app for iPhone, you’ve come to the right place. Real Citizen Calculator is a free calculator app that enables you to easily and accurately perform fundamental math operations in the most stylish and elegant way, unlike any other calc apps.

So, if you are into such calculator apps and looking for a professional calculator for work, school, or university, download Real Citizen Calculator for free on your iPhone device and benefit from the range of available features and functions including GTS/TAX addiction or deduction, memory keys, grand total, mark up, distance / area measurement and much more.

A free GST calculator and Tax calculator with an elegant and stylish interface :

Real Citizen Calculator is all about delivering a unique experience of calculating and performing math operations without having to go through a complex procedure. You can easily calculate GST and calculate Tax with adjustable parameters and store the final result in the memory for future reference.

A classic citizen calculator in your pocket: Aside from delivering basic math operations as well as the feature to calculate GST and calculate Tax, this free calculator app for iPhone offers a unique style that reminds you of the classic real citizen calculator.

Why don’t you give this free calculator app a try?

Real Citizen Calculator is available to download completely for free and can easily become your #1 choice when it comes to finding the best calculator app for iPhone. Give it a try and see how it feels calculating TAX and GST using an accurate calculator with citizen theme.

** Real Citizen Calculator Gst main features at a glance:

- Advanced yet easy to use business calculator app for iPhone
- Stylish and elegant citizen calculator themes.
- GST/TAX calculator with adjustable parameter
- Unlimited steps check & memory.
- Faster & Accurate in Performance.
- Share calculation with ease.

** Gst Search OR Gst Verify

GST Search or GST verify tool is to identify the name, address and other GSTIN details of any taxpayer in India. GST Search helps you to verify business details and let you know whether GSTIN taxpayer is active or not. GST search gives details as follows :

- Legal name of business
- State Jurisdiction
- Taxpayer type
- GSTIN status
- GSTIN filling status


- GST/TAX ADDITION (+3,+5,+12,+18,+28) (adjustable): Directly add gst/tax to any number.
- GST/TAX DEDUCTION (-3,-5,-12,-18,-28) (adjustable): Deduct gst/tax from given number.
- BASIC CALCULATIONS (+,-,*,/): For Addition, Subtraction, Multiplication, Division
- PERCENTAGE KEY (%): Calculate Percentage and also add/subtract to core values.
- MEMORY KEYS (M+,M-,MRC): Used to add/subtract value into memory.
- GRAND TOTAL (GT): The GT Key is to recall the Grand Total Memory!
- CHECK UP & DOWN (CHECK): To check the calculation from first same as Citizen Calculator App.
- MARKUP (MU): Markup refers to the difference between the selling price and its cost, expressed as a percentage above the cost.
-CORRECT & DELETE : To update while checking or delete digit wise.


- Easy and the quickest way to calculate Goods and Service Tax (GST) on sales or purchase of goods or services including IGST, CGST and SGST calculations.


Real Citizen Calculator Gst offers an auto-renewing yearly subscription at INR 499/year to provide you premium ad free big calculator. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period.

Terms of Use:

Privacy policy:

Thank You.

What’s New

Version 1.9

- Bugs Fixes
- UI Enhancement

Ratings and Reviews

4.7 out of 5
70 Ratings

70 Ratings

App Privacy

The developer, Sanket Shankar, 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 Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Location
  • Contacts

Data Linked to You

The following data may be collected and linked to your identity:

  • Location
  • Contacts

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


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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