NBR Mushak 6.3 Compliant · Early Access

NBR-Compliant VAT Invoices
in 60 Seconds

Generate Mushak 6.3 invoices, maintain your sales register, and prepare your monthly VAT return — all in one app. Built for Bangladeshi businesses.

See How It Works
No credit card required NBR Mushak 6.3 compliant Built for Bangladesh

Stop wasting hours on manual VAT paperwork

❌

Manual Mushak forms on paper

Time-consuming and error-prone

❌

Excel files with VAT errors

Formula mistakes cause compliance issues

❌

Expensive CA fees for invoicing

Why pay for what you can do yourself?

→ There's a better way

Everything you need for VAT compliance

Mushak 6.3 Invoices

Professional, printable, NBR-compliant PDF invoices with your logo

Auto VAT Calculation

15% VAT, supplementary duty, zero-rated items — calculated instantly

Sales Register (6.1)

Monthly sales register auto-populated from your invoices

VAT Return (9.1)

Monthly Mushak 9.1 pre-filled and ready to submit to NBR

Bengali + English

Full bilingual support, invoices in both languages

bKash / Nagad Tracking

Record mobile banking payments against invoices

From sale to VAT filing in 3 steps

1

Add your products/services

Set up your catalog once with HS codes and VAT rates

2

Issue Mushak invoices

Fill in client and items; PDF is generated automatically

3

Download your VAT return

At month end, Mushak 9.1 is pre-filled from your invoices

Simple, affordable pricing

Join the waitlist now — early access members get 3 months free.

Starter
$5/mo

৳600/month

  • 50 invoices/month
  • Mushak 6.3, 6.1, 9.1
  • PDF export
  • 1 user
MOST POPULAR
Business
$9/mo

৳1080/month

  • Unlimited invoices
  • Everything in Starter
  • 3 users
  • Priority support
CA / Accountant
$25/mo

৳3000/month

  • 15 client businesses
  • Bulk VAT filing
  • White-label
  • API access

Frequently asked questions

Is challan.app officially recognized by NBR?

challan.app generates invoices in the exact format specified by NBR for Mushak 6.3. You are responsible for compliance with NBR regulations.

Can I use this for import/export businesses?

Yes, you can add HS codes to products and track supplementary duty (SD) rates for goods.

When will challan.app launch?

We are in final testing. Waitlist members will get early access first and receive 3 months free as a thank you.

Do you support supplementary duty (SD)?

Yes, you can set SD rates per product and they are automatically calculated on invoices.

Is my data safe?

All data is stored with row-level security. Your data is completely isolated from other organizations.

Can I export my data?

Yes, you can export invoices and reports as PDF and Excel formats.

Be first when we launch

Join the waitlist — early members get 3 months free access