Free MTD software is a real category and it is narrower than the search results suggest. Most of what is advertised as free is a bridge: it reads nine totals from a spreadsheet and submits them, and it does not keep your books. That is enough for a lot of businesses and nowhere near enough for others, and the difference is not price, it is whether your records are already reliable before the tool sees them.
What free normally means
One VAT registration, one submission route, no support beyond a help page, and often a cap: a turnover limit, a number of submissions a year, or a free tier that exists to sell the paid one. None of those are hidden and all of them are easy to agree to in the quarter you sign up and awkward in the quarter you cross them. Read the cap first. A tool that stops working the quarter your turnover grows is not free, it is deferred.
The bridge and the books are different products
A bridge satisfies the submission obligation and does nothing about the record-keeping one. If your sales and purchases are already captured digitally and the spreadsheet totals are right, a bridge finishes the job. If they are not, free bridging software will submit a wrong return faster than a paid ledger would, and the penalty regime does not care which tool produced the figure. The honest test is whether you would trust your own spreadsheet totals without checking them.
Landlords, and why the answer is usually yes
A landlord with commercial property that has been opted to tax is often the cleanest case free software exists for: a small number of rent invoices at one rate, a short list of purchases, and no stock, payroll or multi-rate coding to get wrong. The records fit a spreadsheet comfortably and the bridge does the rest. Residential letting is normally exempt rather than taxable, which is a different question entirely: an exempt supply carries no VAT and does not create a registration obligation.
Questions people ask about best free mtd software for vat
Is free MTD software good enough to file a real return?
Yes, if it is on HMRC's compatible list. Compatibility is what allows submission, and free tools on that list submit the same nine numbers a paid package would.
What is the catch with free MTD software?
Usually one registration, no support, and a cap of some kind. It also does not keep your books, so the accuracy of the return still depends entirely on your own records.
Can a landlord use free MTD software?
For a commercial letting that has been opted to tax, usually yes: the record is small and regular, which is exactly what a bridge handles. Residential letting is normally exempt and does not create a VAT registration in the first place.