CitiCalc – GST Calculator
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GST calculator app – Citizen desk calculator with CGST SGST IGST.
- Downloads
- 2.5K+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Jul 31
- 2026 · v2.0
Screenshots
About CitiCalc – GST Calculator
🧮 CitiCalc – GST Calculator | Citizen-Style Desk Calculator for Everyone
The fastest and most accurate GST calculator app for shopkeepers,
businessmen, accountants, and office users in India. CitiCalc combines
the trusted feel of a classic Citizen desk calculator with powerful
built-in GST calculation — all in one lightweight app.
Calculate GST, split CGST & SGST, view IGST, and get instant price
breakdowns — faster than any other calculator app on Android.
━━━━━━━━━━━━━━━━━━━━━━━━━━
🔢 COMPLETE GST CALCULATOR
━━━━━━━━━━━━━━━━━━━━━━━━━━
- Add GST or Remove GST instantly
- Supports all Indian GST rates – 5%, 12%, 18%, and 28%
- Full GST breakdown: IGST, CGST & SGST displayed clearly
- Calculate GST-inclusive and GST-exclusive prices
- Perfect for billing, invoicing & price estimation
- Ideal for B2B and B2C transactions
━━━━━━━━━━━━━━━━━━━━━━━━━━
🖩 CITIZEN-STYLE DESK CALCULATOR
━━━━━━━━━━━━━━━━━━━━━━━━━━
- Familiar Citizen calculator layout — no learning curve
- Classic desk calculator feel on your Android phone
- Check & Correct function for quick error fixing
- Basic functions: Add, Subtract, Multiply, Divide
- Fast, accurate, and smooth calculation performance
- Feels just like a physical desktop calculator
━━━━━━━━━━━━━━━━━━━━━━━━━━
📋 SMART CALCULATION HISTORY
━━━━━━━━━━━━━━━━━━━━━━━━━━
- View all past calculations anytime
- Copy any result with one tap
- Share calculation history instantly
- Never lose track of your billing calculations again
━━━━━━━━━━━━━━━━━━━━━━━━━━
🌍 FLEXIBLE NUMBER FORMATS
━━━━━━━━━━━━━━━━━━━━━━━━━━
- Supports Indian number format (lakhs & crores)
- Supports International number format (millions)
- Switch formats easily based on your need
━━━━━━━━━━━━━━━━━━━━━━━━━━
🎨 COMFORTABLE DISPLAY & THEMES
━━━━━━━━━━━━━━━━━━━━━━━━━━
- Light theme & Dark theme support
- Easy-on-the-eyes display for long work sessions
- Sound and vibration feedback control
- Clean, distraction-free calculator interface
━━━━━━━━━━━━━━━━━━━━━━━━━━
⚡ LIGHTWEIGHT & RELIABLE
━━━━━━━━━━━━━━━━━━━━━━━━━━
- Tiny app size — installs in seconds
- Minimal battery and memory usage
- Works on all Android phones and tablets
- Offline — works without internet connection
- No unnecessary permissions
━━━━━━━━━━━━━━━━━━━━━━━━━━
✅ PERFECT FOR
━━━━━━━━━━━━━━━━━━━━━━━━━━
→ Shopkeepers & retail store owners
→ Businessmen & traders
→ Accountants & tax professionals
→ Office and billing staff
→ Students & daily calculation needs
→ Anyone who uses Citizen calculator daily
→ GST billing, invoicing & quotation making
━━━━━━━━━━━━━━━━━━━━━━━━━━
🔒 PRIVACY FIRST
━━━━━━━━━━━━━━━━━━━━━━━━━━
- No data collected
- No data shared with third parties
- 100% private and secure
- Works fully offline
━━━━━━━━━━━━━━━━━━━━━━━━━━
Whether you run a shop, manage accounts, prepare invoices, or just need
a reliable GST calculator for daily use — CitiCalc is built for you.
It delivers the trusted Citizen desk calculator experience with the power
of Indian GST calculation, right in your pocket.
Stop switching between a physical calculator and a separate GST app.
CitiCalc does both — instantly and accurately.
📲 Download CitiCalc FREE — The Best GST Calculator App for India!
Keywords: GST calculator, GST calculator India, Citizen calculator app,
desk calculator with GST, CGST SGST IGST calculator, shop calculator,
business calculator, tax calculator India, GST rate calculator,
invoice calculator, billing calculator, calculator with GST
The fastest and most accurate GST calculator app for shopkeepers,
businessmen, accountants, and office users in India. CitiCalc combines
the trusted feel of a classic Citizen desk calculator with powerful
built-in GST calculation — all in one lightweight app.
Calculate GST, split CGST & SGST, view IGST, and get instant price
breakdowns — faster than any other calculator app on Android.
━━━━━━━━━━━━━━━━━━━━━━━━━━
🔢 COMPLETE GST CALCULATOR
━━━━━━━━━━━━━━━━━━━━━━━━━━
- Add GST or Remove GST instantly
- Supports all Indian GST rates – 5%, 12%, 18%, and 28%
- Full GST breakdown: IGST, CGST & SGST displayed clearly
- Calculate GST-inclusive and GST-exclusive prices
- Perfect for billing, invoicing & price estimation
- Ideal for B2B and B2C transactions
━━━━━━━━━━━━━━━━━━━━━━━━━━
🖩 CITIZEN-STYLE DESK CALCULATOR
━━━━━━━━━━━━━━━━━━━━━━━━━━
- Familiar Citizen calculator layout — no learning curve
- Classic desk calculator feel on your Android phone
- Check & Correct function for quick error fixing
- Basic functions: Add, Subtract, Multiply, Divide
- Fast, accurate, and smooth calculation performance
- Feels just like a physical desktop calculator
━━━━━━━━━━━━━━━━━━━━━━━━━━
📋 SMART CALCULATION HISTORY
━━━━━━━━━━━━━━━━━━━━━━━━━━
- View all past calculations anytime
- Copy any result with one tap
- Share calculation history instantly
- Never lose track of your billing calculations again
━━━━━━━━━━━━━━━━━━━━━━━━━━
🌍 FLEXIBLE NUMBER FORMATS
━━━━━━━━━━━━━━━━━━━━━━━━━━
- Supports Indian number format (lakhs & crores)
- Supports International number format (millions)
- Switch formats easily based on your need
━━━━━━━━━━━━━━━━━━━━━━━━━━
🎨 COMFORTABLE DISPLAY & THEMES
━━━━━━━━━━━━━━━━━━━━━━━━━━
- Light theme & Dark theme support
- Easy-on-the-eyes display for long work sessions
- Sound and vibration feedback control
- Clean, distraction-free calculator interface
━━━━━━━━━━━━━━━━━━━━━━━━━━
⚡ LIGHTWEIGHT & RELIABLE
━━━━━━━━━━━━━━━━━━━━━━━━━━
- Tiny app size — installs in seconds
- Minimal battery and memory usage
- Works on all Android phones and tablets
- Offline — works without internet connection
- No unnecessary permissions
━━━━━━━━━━━━━━━━━━━━━━━━━━
✅ PERFECT FOR
━━━━━━━━━━━━━━━━━━━━━━━━━━
→ Shopkeepers & retail store owners
→ Businessmen & traders
→ Accountants & tax professionals
→ Office and billing staff
→ Students & daily calculation needs
→ Anyone who uses Citizen calculator daily
→ GST billing, invoicing & quotation making
━━━━━━━━━━━━━━━━━━━━━━━━━━
🔒 PRIVACY FIRST
━━━━━━━━━━━━━━━━━━━━━━━━━━
- No data collected
- No data shared with third parties
- 100% private and secure
- Works fully offline
━━━━━━━━━━━━━━━━━━━━━━━━━━
Whether you run a shop, manage accounts, prepare invoices, or just need
a reliable GST calculator for daily use — CitiCalc is built for you.
It delivers the trusted Citizen desk calculator experience with the power
of Indian GST calculation, right in your pocket.
Stop switching between a physical calculator and a separate GST app.
CitiCalc does both — instantly and accurately.
📲 Download CitiCalc FREE — The Best GST Calculator App for India!
Keywords: GST calculator, GST calculator India, Citizen calculator app,
desk calculator with GST, CGST SGST IGST calculator, shop calculator,
business calculator, tax calculator India, GST rate calculator,
invoice calculator, billing calculator, calculator with GST
What’s new
Version 2.0 · Updated July 31, 2026
Minor Bug Fixed App Crashing Fixed
User reviews
good app,.. 👍👍👍👍
Works great.. Simple and easy
perfect for office use calculater
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