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Best In Gst Calculator Apps

229+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated May 2026

Out of 229+ in gst calculator apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top In Gst Calculator Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1IN GST CalculatorIN GST CalculatorFree—NoNoMay 2026
2ClevCalc - CalculatorClevCalc - CalculatorFree4.7★ (12K)YesYesJul 2026
3Calculator for iPad!Calculator for iPad!Free4.7★ (60K)NoNoJul 2026
4Digits Tape CalculatorDigits Tape Calculator$1.994.8★ (1.1K)NoYesJul 2026
5Sales Tax Calculator - Tax MeSales Tax Calculator - Tax MeFree4.8★ (5.2K)YesYesJul 2026
6Calculator₊Calculator₊Free4.7★ (1.7M)YesYesJul 2026
7OneCalc: All-in-one CalculatorOneCalc: All-in-one CalculatorFree4.6★ (4.8K)YesNoJul 2026
8EMI Calculator - GST, SIP, AgeEMI Calculator - GST, SIP, AgeFree3.3★ (3)YesNoMay 2026

Top Picks for In Gst Calculator

ClevCalc - Calculator#2

ClevCalc - Calculator by Cleveni Inc.

All-In-One Calculator
Strong Contender
📊 Productivity
4.7😊(12K ratings)
FreeAdsIn-App Purchases
ClevCalc - Calculator screenshot 1
ClevCalc - Calculator screenshot 2
ClevCalc - Calculator screenshot 3
ClevCalc - Calculator screenshot 4
ClevCalc - Calculator screenshot 5
ClevCalc - Calculator screenshot 6

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

What We Love

  • 👍 Easy to use
  • 🚀 Efficient calculations
  • 💡 Versatile features (currency, unit conversions, etc.)
  • 👍 Intuitive interface

Room to Improve

  • 💰 Subscription model too expensive
  • 🔍 Ads can be intrusive
  • 🐛 Occasional UI issues (e.g. ads blocking functionality)
Calculator for iPad!#3

Calculator for iPad! by 7th Gear

Basic & Scientific Calculator
Worth Considering
🔧 Utilities
4.7😊(60K ratings)
Free
Calculator for iPad! screenshot 1
Calculator for iPad! screenshot 2
Calculator for iPad! screenshot 3
Calculator for iPad! screenshot 4

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

What We Love

  • 📐 Versatile calculator with basic and scientific modes
  • 📝 Useful note-taking and calculation history features
  • 🎨 Customizable color schemes
  • 💻 Works well on both iPad and iPhone

Room to Improve

  • 💰 Ads can be intrusive in free version
  • 🔒 Lack of transparency around in-app purchases
  • 🔍 Difficulty finding and accessing premium features

More In Gst Calculator apps to explore

4
Digits Tape Calculator
Digits Tape Calculator
Digits Tape Calculator
The calculator for humans
$1.99

This app offers a calculator with an editable, line-by-line tape history, combining spreadsheet-like functionality with calculator simplicity. Easily correct mistakes, add comments, and share or print your calculations.

Editable line-by-line tape historyCorrect and insert entriesAdd labels and comments
🔧 Utilities
(1.1K)
free with in-app purchases
5
Sales Tax Calculator - Tax Me
Sales Tax Calculator - Tax Me
Sales Tax Calculator - Tax Me
Mobile Shopping Price Calc App
Free

Easily calculate sales tax on purchases with this intuitive and accurate tool. Save multiple tax rates, perform arithmetic calculations, and support all currencies. An optional Pro version offers additional features like item logging and reverse tax calculation.

Save multiple tax ratesBuilt-in arithmetic calculatorSupports all currencies
💰 Finance
(5.2K)
free with in-app purchases
6
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Calc +-
Free

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

Basic and scientific calculationsUnit and currency converterAI-powered math solver with photo recognition
🔧 Utilities
(1.7M)
free with in-app purchases
7
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)
📊 Productivity
(4.8K)
free with in-app purchases
8
EMI Calculator - GST, SIP, Age
EMI Calculator - GST, SIP, Age
EMI Calculator - GST, SIP, Age
All in one calculator
Free

This app provides a comprehensive suite of calculators for financial planning, personal loans, investments, and unit conversions. It helps users make quick, error-free calculations for EMI, GST, SIP, age, and more, with features like ATM and bank finders.

EMI, GST, and SIP calculationsLoan comparison and interest rate analysisAge and discount calculations
💰 Finance
(3)
ad-supported
9
All-In-One Calculator
All-In-One Calculator
All-In-One Calculator
Calculator
Free

This app offers a comprehensive suite of calculation tools, including regular, scientific, loan, and mortgage calculators. It also features currency and unit converters, percentage and discount calculators, and an age calculator. Designed for ease of use, it simplifies complex financial and everyday calculations.

Scientific calculator with advanced functionsUnit converter for everyday measurementsLoan and mortgage payment calculator
💰 Finance
(3)
free
10
Calculator⁻
Calculator⁻
Calculator⁻
Best hand calculator
Free

A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.

Basic arithmetic operationsPercentage calculationsRecord and recall results
🔧 Utilities
(3.4K)
ad-supported
11
GST Calculator - GST Search
GST Calculator - GST Search
GST Calculator - GST Search
Instant VAT & GST Calculator
Free

This app simplifies tax calculations with features for adding/deducting GST/VAT, discounts, and percentages. It also includes a search tool to verify Indian taxpayer details and their GSTIN status. Offers customizable themes and instant results for enhanced productivity.

GST/VAT calculationDiscount and percentage calculationGSTIN search and verification
📊 Productivity
(37)
free with in-app purchases
12
Citizen Calculator App
Citizen Calculator App
Citizen Calculator App
The Calculator: GST Calculator
Free

This app offers a comprehensive calculator with standard arithmetic functions, business-specific calculations like GST, and advanced features. Enjoy a realistic calculator experience with tactile feedback and a clean interface.

GST CalculatorBasic math operationsBusiness and financial functions (M+, M-, MU, GT)
🔧 Utilities
(300)
freemium
13
CalcBox -All in One Calculator
CalcBox -All in One Calculator
CalcBox -All in One Calculator
Multipurpose calculator
Free

This app combines numerous essential calculation tools into a single, user-friendly interface. It handles everything from basic arithmetic and unit conversions to financial planning, health tracking, and academic performance. Simplify your daily tasks with this comprehensive utility.

Basic and scientific calculationsExtensive unit and currency conversionFinancial calculators (loan, deposit, tip, discount)
🔧 Utilities
(347)
free with in-app purchases
14
(Not Boring) Calculator
(Not Boring) Calculator
(Not Boring) Calculator
Basic, Readable & Not Boring
Free

This app reimagines the everyday calculator with a fun, game-like interface and animations. It displays your full equation as you type, making it easy to spot and correct mistakes. Customizable skins and seasonal updates keep the experience fresh.

Shows full equation as you typeEditable equation for mistake correction3D interface with game-inspired animations
🔧 Utilities
(3.6K)
free with in-app purchases
15
VAT_Calculator
VAT_Calculator
VAT_Calculator
by Joao Ferreira
Free

Calculate VAT, VAT included, and VAT excluded amounts for numerous countries worldwide. This app offers three synchronized screens for seamless calculations and allows for custom rate creation for discounts or unlisted regions.

Global VAT, GST, HST, PST, Consumption Tax ratesThree synchronized calculation screensCustom rate creation for discounts or unique taxes
💼 Business
(5)
ad-supported
16
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.

Optional RPN modeMultiple undo and redoUnit conversions and constants
🔧 Utilities
(214)
free with in-app purchases
17
Citizen Calculator App #1 Calc
Citizen Calculator App #1 Calc
Citizen Calculator App #1 Calc
Tax Gst Calculator for iPhone
Free

This app offers a stylish and easy-to-use business calculator for iPhone. It performs fundamental math operations, including GST and tax calculations with adjustable parameters. It also features memory functions and a GST search tool to verify taxpayer details.

Advanced business calculatorGST/TAX calculator with adjustable parametersStylish citizen calculator themes
💰 Finance
(129)
free with in-app purchases
18
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Easy Basic Calculator
Free

A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.

Large buttonsDual-line display18 color themes
🔧 Utilities
(13K)
ad-supported
19
All-In-One Calculator Pro
All-In-One Calculator Pro
All-In-One Calculator Pro
Basic & Scientific Calculator
Free
🔧 Utilities
(0)
20
CITIZEN & GST CALCULATOR
CITIZEN & GST CALCULATOR
CITIZEN & GST CALCULATOR
GST CALCULATOR
Free

This utility app provides advanced calculation functions similar to a Citizen calculator, with specific features for Indian GST tax rates. It allows for easy addition or subtraction of GST and includes business and financial calculation tools.

Indian GST tax rate calculationsAdd/Subtract GST functionalityBusiness and financial calculations
🔧 Utilities
(18)
ad-supported

FAQ about In Gst Calculator

Are there free in gst calculator apps for iPhone?
Yes — 19 of the top in gst calculator apps we rank are free to download, including IN GST Calculator and ClevCalc - Calculator.
IN GST Calculator has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 229+ in gst calculator apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.