Free GST billing software for Indian businesses

Indian GST billing has a long tail of small correctness problems: the wrong HSN digit count for your turnover slab, an intra-state sale booked as IGST, a reverse charge line that never made it to the return. None of them are hard. All of them cost time at filing.

What the app handles

• HSN and SAC codes on every line, with the digit count enforced against your declared turnover slab rather than left to memory.
• CGST / SGST / IGST decided from the place of supply, not typed by hand. This single rule removes the most common GSTR-1 mismatch.
• Reverse charge, composition and exempt supplies flagged at entry, so they are already segregated when the return is prepared.
• E-invoice JSON in the IRP schema, ready to register for an IRN through your GSP credentials.
• E-way bill fields captured alongside the invoice instead of re-keyed later.
• GSTR-1 and GSTR-3B exports in the format the portal accepts.

Free, and what that means here

Free for the first year with no invoice cap. After that, the paid plans cover support, migration and multi-branch — the software and the GST compliance are not the paid part.

Coming from Tally

Most Indian businesses reading this already run Tally, and most do not want to leave it — they want a second surface: something the sales team can use on a phone, something that produces a quotation without occupying the one machine with the licence. The migration tools move masters and vouchers in both directions, so Fatoza can sit next to Tally rather than replacing it.

If you only need to compute a tax figure right now, the GST calculator needs no account at all.