InstantBill
RushTime Business Contains ads
Smart GST billing, invoices, quotations, PDF bills & stock management.
- Downloads
- 50+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Oct 15
- 2026 · v1.2.6
Screenshots
About InstantBill
InstantBill is a smart invoice and GST billing app designed for small businesses, shop owners, freelancers, traders, service providers, and self-employed professionals.
Free Create tax invoices, non-tax invoices, quotations, PDF bills, and business records quickly from your mobile phone.
InstantBill helps you manage your billing work in a simple, fast, and professional way.
Free Key Features
GST Invoice Creation
Create professional GST invoices with item details, tax calculation, customer details, invoice number, date, notes, and totals.
Non-Tax Invoice
Create simple non-GST invoices for businesses that do not need GST billing.
Quotation Creation
Prepare quotations for customers and share them easily before final billing.
PDF Invoice Download
Generate clean PDF invoices and save or share them whenever required.
WhatsApp Sharing
Share invoices, quotations, and payment reminders through WhatsApp, WhatsApp Business, email, SMS, or other installed apps.
Client Management
Save customer details such as name, mobile number, address, and GSTIN for faster invoice creation.
Item Management
Save products or services with price, unit, HSN/SAC, GST percentage, and other item details.
Payment Tracking
Track paid, unpaid, partially paid, and overdue invoices to manage pending payments easily.
Payment Reminder
Send payment reminder messages to customers for unpaid or partially paid invoices.
Stock Management
Manage item stock, low stock alerts, stock adjustments, stock history, and stock value. Useful for shops, product sellers, and inventory-based businesses.
Vendor Management
Save vendor details, manage purchase entries, track vendor payments, and monitor vendor outstanding balances.
Business Profile
Save your business name, address, GSTIN, mobile number, email, bank details, and UPI details to show them on invoices.
Backup and Restore
Backup and restore your billing data when needed.
Reports
View useful business reports such as sales, payments, outstanding amounts, items, stock, and vendor-related records.
Invite Friends
Share InstantBill with other business owners, friends, and professionals.
Who Can Use InstantBill?
InstantBill is useful for:
Retail shops
Wholesale businesses
Freelancers
Service providers
Traders
Small business owners
GST registered businesses
Non-GST businesses
Home businesses
Product sellers
Local stores
Consultants
Repair and service businesses
Why Choose InstantBill?
Completely Free
Simple and easy to use
Professional invoice format
GST and non-GST billing support
Quick PDF invoice generation
WhatsApp invoice sharing
Client and item saving
Stock and vendor management
Payment reminder support
Suitable for Indian businesses
Designed for daily business billing
InstantBill is built to make invoice creation faster and business management easier.
Whether you need to create GST invoices, non-tax invoices, quotations, save clients, manage items, track payments, or handle stock, InstantBill helps you do it from one simple mobile app.
Data and Privacy
InstantBill stores user-entered business data locally on the user’s mobile device. The app does not collect or store user business data on our servers. Users can choose to share, export, or back up their data when needed.
Start using InstantBill today and manage your billing, invoices, quotations, stock, vendors, and business records easily.
Free Create tax invoices, non-tax invoices, quotations, PDF bills, and business records quickly from your mobile phone.
InstantBill helps you manage your billing work in a simple, fast, and professional way.
Free Key Features
GST Invoice Creation
Create professional GST invoices with item details, tax calculation, customer details, invoice number, date, notes, and totals.
Non-Tax Invoice
Create simple non-GST invoices for businesses that do not need GST billing.
Quotation Creation
Prepare quotations for customers and share them easily before final billing.
PDF Invoice Download
Generate clean PDF invoices and save or share them whenever required.
WhatsApp Sharing
Share invoices, quotations, and payment reminders through WhatsApp, WhatsApp Business, email, SMS, or other installed apps.
Client Management
Save customer details such as name, mobile number, address, and GSTIN for faster invoice creation.
Item Management
Save products or services with price, unit, HSN/SAC, GST percentage, and other item details.
Payment Tracking
Track paid, unpaid, partially paid, and overdue invoices to manage pending payments easily.
Payment Reminder
Send payment reminder messages to customers for unpaid or partially paid invoices.
Stock Management
Manage item stock, low stock alerts, stock adjustments, stock history, and stock value. Useful for shops, product sellers, and inventory-based businesses.
Vendor Management
Save vendor details, manage purchase entries, track vendor payments, and monitor vendor outstanding balances.
Business Profile
Save your business name, address, GSTIN, mobile number, email, bank details, and UPI details to show them on invoices.
Backup and Restore
Backup and restore your billing data when needed.
Reports
View useful business reports such as sales, payments, outstanding amounts, items, stock, and vendor-related records.
Invite Friends
Share InstantBill with other business owners, friends, and professionals.
Who Can Use InstantBill?
InstantBill is useful for:
Retail shops
Wholesale businesses
Freelancers
Service providers
Traders
Small business owners
GST registered businesses
Non-GST businesses
Home businesses
Product sellers
Local stores
Consultants
Repair and service businesses
Why Choose InstantBill?
Completely Free
Simple and easy to use
Professional invoice format
GST and non-GST billing support
Quick PDF invoice generation
WhatsApp invoice sharing
Client and item saving
Stock and vendor management
Payment reminder support
Suitable for Indian businesses
Designed for daily business billing
InstantBill is built to make invoice creation faster and business management easier.
Whether you need to create GST invoices, non-tax invoices, quotations, save clients, manage items, track payments, or handle stock, InstantBill helps you do it from one simple mobile app.
Data and Privacy
InstantBill stores user-entered business data locally on the user’s mobile device. The app does not collect or store user business data on our servers. Users can choose to share, export, or back up their data when needed.
Start using InstantBill today and manage your billing, invoices, quotations, stock, vendors, and business records easily.
What’s new
Version 1.2.6 · Updated October 15, 2026
Fixed Quick Invoice issues. Notification issues
User reviews
i have downloaded this app for Gst invoice making. is it compeltely free Or have to pay like other apps?? can we also make purchase bills entries in this app? send ur email id or helpline no sir for further assistance. thank u
nice app for invoice and it has all features which help for small businesses
It is free and very usefull application for businesses and vendors, Shop owner and Reseller and freelancers, how ever wants create GST or Non Gst invoices, stock management, vendor management, clients..etc many options available in this app.
Alternatives to InstantBill
Looking for apps like InstantBill? Here are 6 similar Android apps on Google Play. The highest rated is Invoice Generator - Zoho (4.9/5), and all 6 are free to download.
-
Easy Invoice & Quotation Maker 3.9
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Joist: Estimate Invoice Maker 4.6
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Quotation Maker 4.8
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Handoff Construction Estimator 4.8
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ConstructionOnline 3.9
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Invoice Generator - Zoho 4.9
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| InstantBill | – | Free | 50+ | Oct 15, 2026 | |
| Easy Invoice & Quotation Maker | 3.9 / 5 | Free | 100,000+ | Feb 5, 2026 | Compare |
| Joist: Estimate Invoice Maker | 4.6 / 5 | Free | 1,000,000+ | Oct 19, 2026 | Compare |
| Quotation Maker | 4.8 / 5 | Free | 500,000+ | Oct 27, 2026 | Compare |
| Handoff Construction Estimator | 4.8 / 5 | Free | 10,000+ | Oct 28, 2026 | Compare |
| ConstructionOnline | 3.9 / 5 | Free | 10,000+ | Oct 23, 2026 | Compare |
| Invoice Generator - Zoho | 4.9 / 5 | Free | 1,000,000+ | Oct 13, 2026 | Compare |
Compare InstantBill with the top alternatives: ratings, updates, ASO score and keyword gaps →
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