There is a lot of software for gst and most of it looks identical on a feature list. What differs is what happens on the 10th of the month, what the export is like, and what it costs when you have grown. That is what this page covers.
Four questions that decide whether software for gst will work for you
Does it derive the tax, or ask you for it? If the CGST/SGST versus IGST decision is a dropdown, it will be wrong sometimes. It should follow from the place of supply.
Can it produce a return summary you do not have to repair? Ask for a GSTR-1 export on the trial and open it. If your accountant has to clean the file, the software has moved work rather than removed it.
What does the export look like? Not whether it exists — what it contains. Software that keeps your customer list hostage is a decision you make once and regret slowly.
What does it cost at three times your current size? Per-user pricing and per-invoice pricing feel cheap at the start and shape your behaviour later.
Everything else on a feature comparison — themes, dashboards, the number of report types — is decoration next to those four.
What you get with Billixo
- GST invoicing with the full Rule 46 field set and the tax split derived from place of supply.
- Inventory that moves as you bill, with low-stock warnings.
- Customers and suppliers with GSTIN, state and defaults held once and reused.
- Payments and receivables — part payments, ageing, and written reminders.
- GSTR-1 and GSTR-3B summaries exported in formats a practitioner can open.
- AI bill scanning — a photograph of a supplier bill becomes a draft purchase record.
- AI HSN/SAC lookup from a plain-language description.
- Recurring invoices for anything billed on the same day each month.
- Proforma invoices and quotations in the same numbering discipline.
- WhatsApp and email delivery of the invoice from the screen you raised it on.
- Bulk import and export — CSV and Excel in; CSV, Excel and JSON out.
- Team logins on the paid plans, each with their own credentials.
How to evaluate software for gst in one afternoon
- Open a free account and enter your own business details — the real GSTIN and state, not sample data.
- Add two customers: one in your state, one in another. This is the test that catches bad tax logic.
- Add three products with their real HSN codes and rates.
- Raise an invoice to each customer and look at the tax split. One should be CGST + SGST, the other IGST, without you selecting anything.
- Download the PDF and read it as your customer would. Is every mandatory field there?
- Export the GST summary and open it. If it needs repair before an accountant could use it, stop there.
- Export your customers and products. If that is awkward, you have learned the most important thing about the software.
What "best" means, and why lists never say
Every roundup of the best software for gst is ranked by something the reader cannot see — usually who pays for placement. The honest version of the question is narrower: best for what, at what size, with what already in place.
A one-person consultancy raising six invoices a month wants nothing that a free plan does not already provide. A distributor with three billing counters and a warehouse wants stock accuracy above all. A CA with two hundred clients wants a filing tool, and none of this.
The only ranking that means anything is the one you produce by testing two or three against your own invoices for a week. That costs nothing here, which is the point of the free plan.
Total cost, not sticker price
Software costs money in four places, and only one of them is on the pricing page: the licence, the time to set it up, the time it takes per invoice forever after, and the cost of the errors it lets through.
The fourth is the one that dominates and the one nobody estimates. An invoice with the wrong tax split costs a credit note, a reissue, possibly an amended return, and a phone call with a customer about their missing input credit.
Judged that way, software that derives the tax rather than asking for it is cheaper at any sticker price — and the sticker price here starts at zero.
CGST, SGST and IGST — worked out, not chosen
Whether a sale attracts CGST and SGST or IGST is not a preference. It follows from the place of supply: same state as your registration means the tax splits into central and state halves, a different state means one integrated tax at the combined rate.
That sounds simple and goes wrong constantly, because it is a dropdown in most billing software and a dropdown is something a tired person clicks past. In Billixo the split is derived from the state on the customer record against the state on your registration, and it changes the moment either does.
The consequence of getting it wrong is real: an IGST invoice raised as CGST/SGST has to be credited and reissued, and if the return has already gone in, amended.
HSN and SAC codes, and how many digits you need
Every line on a tax invoice needs an HSN code for goods or a SAC for services. How many digits depends on your aggregate turnover in the preceding financial year — smaller businesses report fewer digits than larger ones, and B2B and B2C invoices are treated differently.
Because the requirement is tied to turnover and has been tightened in stages, the practical answer is to store the fullest code you can against each product once, and let the software report at the level required. A six-digit code can always be truncated; a two-digit one cannot be expanded.
Billixo keeps the code on the product record and carries it onto every line automatically, and its AI HSN lookup will suggest one from a plain description when you genuinely do not know.
Bill scanning, in practice
The single largest time cost in most small businesses is not raising invoices — it is entering purchases. A photograph of a supplier bill goes in and a structured draft comes out: supplier, GSTIN, line items, rates, tax split and total.
You check it. That is the workflow, and it is deliberate: an extraction you did not read is a liability, not a saving. But checking a filled form takes fifteen seconds and typing one takes three minutes, and that difference compounds over a month of purchases.
A note for accountants and CAs
If you are the person who has to make sense of a client’s billing at the end of the month, what you need from their software is narrow and specific: a complete outward supply summary, correct place-of-supply treatment, HSN present on every line, and an export you can open without repair.
Billixo produces GSTR-1 and GSTR-3B summaries and exports to CSV, Excel and JSON. Client-side, the invoice fields cannot be skipped, which removes the category of problem where the data was never captured in the first place.
The price, plainly
Free is ₹0 and stays ₹0. The paid plans are bought for a fixed term, paid once, with no auto-renewal and no card kept on file — when a term ends the account drops back to Free until you decide to buy again.
There is no per-invoice charge, no per-user surprise on the free plan, and no feature that is technically included but practically throttled. What the plan says you get is what you get.
Compare the plans on the home page, or just start free now and look at the ceiling from the inside.
Reliability, backups and getting your data out
Cloud billing software is only as good as its worst day. Two things matter more than any feature list: that your data is backed up somewhere you can reach, and that you can export it in a format something else can read.
Exports here are CSV, Excel and JSON, on every plan including the free one, covering customers, products, invoices and payments. That is the honest test of whether software respects you — not what it promises, but what it lets you take when you leave.
Frequently asked questions
Can several people use it at once?
On the paid plans, yes — separate logins per team member. The Free plan is one login.
What is the best software for gst for a small business?
The one that derives the tax correctly, exports a return summary your accountant can use, and does not price you out as you grow. Rather than take a list’s word for it, test two or three against your own invoices for a week — the free plan here exists so that test costs nothing.
Is there genuinely free software for gst?
Yes. Billixo has a Free plan at ₹0 with no card and no expiry, carrying volume limits and a watermark on the PDF. It produces real, compliant GST invoices — it is a plan, not a countdown.
What happens to my data if I stop paying?
Nothing is deleted. The account settles back onto the Free plan: the paid conveniences switch off, the volume limits return, and every invoice, customer and product you created stays exactly where it is — including the export.
Does it work on a phone?
Yes. It is a browser application that adapts to the screen, so the same account works from a desktop at the counter and a phone in the market. There is no separate app to keep in step.
See it working on your own bills
The fastest way to judge billing software is to bill with it. Photograph one supplier invoice, raise one sales invoice, and look at the PDF your customer would receive.
Open the software demo → — free account, no card, about a minute to set up.
More details on the home page → — what it does, what it costs, and where the limits are.
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