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Free GST Billing App for Small Shops: What to Check

Inventory Invoice·20 October 2026·2 min read

'Free' billing apps differ a lot. What a free plan should include, the limits to look for before you enter your data, and how ReplyDost Invoice's free plan works.

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"Free GST billing app" gets a lot of searches, and a lot of different promises. Some are free forever with real limits, some are free for a week, and some are free until the day you want your data back.

Before you spend an hour entering your items, check these.

Six questions to ask any "free" billing app

  1. What exactly is limited? Number of bills per month, number of items, number of users? The answer should be on the pricing page, not found by running into it.
  2. Does the free plan produce real GST invoices — with CGST/SGST/IGST and your GSTIN — not just a plain receipt?
  3. Does it track stock, or is that a paid upgrade?
  4. Can you take your data out if you leave?
  5. Is a card needed to start? It should not be.
  6. What does the next step cost, and is it per month, per user or per bill?

Free should still be usable

A free plan that stops after three bills is a demo, not a plan. A good free plan lets a small shop run for real: make bills, record purchases and see who owes what, with a limit generous enough that you can judge the product on your own work.

How ReplyDost Invoice's free plan works

Plainly:

  • Free every month: 5 sales invoices and 5 purchase bills. It resets on the 1st of each month.
  • No card needed to start. Sign in with Google and make your first bill.
  • Your data stays. If you reach the monthly limit you can still open and print everything you have made; you just cannot create more until the month resets or you upgrade.
  • Unlimited documents is ₹499 a month plus 18% GST. You can cancel any time, and you drop back to the free plan with your data intact.

If you make more than 5 invoices a month, this free plan is a trial run and not a home. If you make a few, it may be all you need.

Quick answers

Are 5 invoices a month enough? For a very small business or a side business, often yes. For a busy shop, it is enough to see whether the product fits before you pay.

Do I need to download an app? No. It works in the browser on any phone.

What do I get when I pay? Unlimited sales invoices and purchase bills.

Not sure what a tax invoice needs? Start with the fields every GST invoice must carry.

Try it on your own bills

Start free on invoice.replydost.in → — set up in a minute, make your first GST bill today.

Make your first GST bill free

Sign in with Google and start billing in minutes. No setup call needed, and your first 5 sales invoices and 5 purchase bills each month are free.