Best Free Making Tax Digital Software: The Fine Print Test

April 2026 is closer than it feels, and the software market knows it. Search "best free making tax digital software" and you will find comparison tables bristling with green ticks and the word "free" used in ways that would make a trading standards officer wince.

This post does not add another optimistic comparison table to that pile. Instead, it does something more useful: it applies a fine print test to the most commonly recommended free MTD options, explains exactly where each one stops being free, and tells you what a sole trader turning over £50,000 to £80,000 actually needs versus what vendors are quietly hoping you will pay for.

Why "Free" Is Doing Heavy Lifting in This Market

Before naming names, it helps to understand why the free tier exists at all. MTD has created a captive audience of roughly 780,000 sole traders who will be legally required to use software from April 2026. Software companies are not offering free tiers out of generosity. They are acquiring users at scale, knowing that switching costs are high once your financial records live inside a platform.

This is not cynicism for its own sake. It is the commercial logic that explains every limitation you will find buried in the free tier terms. Understanding the business model helps you read the small print faster.

For a longer look at why HMRC chose to mandate paid software rather than build a free tool, HMRC Free Accounting Software: Why It Does Not Exist covers the political and commercial background in detail.

The Fine Print Test: Four Common Free Options

Option 1: FreeAgent (Free via NatWest or RBS Business Banking)

FreeAgent is genuinely well-regarded software, and it is free if you hold a NatWest, Royal Bank of Scotland, or Ulster Bank business account. That is a meaningful saving: FreeAgent's standard pricing runs at £19 per month for sole traders after the first six months.

The fine print test result: The bank account dependency is the constraint. If you bank elsewhere or switch accounts, you lose access. FreeAgent also has a learning curve that assumes some accounting literacy. For a plumber or electrician who wants to snap a receipt and move on, the interface can feel over-engineered. MTD ITSA functionality is included, which matters, but you should verify that quarterly submission features are active for your account tier before April 2026 arrives.

Verdict: Genuinely free, but contingent on your bank. Worth it if you already bank with NatWest or RBS. Not worth switching banks for.

Option 2: QuickBooks Free Trial (Then £10 to £30 per Month)

QuickBooks appears in many "free MTD software" lists because it offers a 30-day free trial. This is not free software. It is a product demonstration. After 30 days, the cheapest plan that includes MTD ITSA features sits at approximately £10 per month at promotional pricing, rising to standard rates thereafter.

The fine print test result: The trial is too short to be useful as a permanent solution. Thirty days will not cover a full quarter of trading, so you cannot evaluate whether the submission workflow actually suits you before the paywall arrives. QuickBooks is a capable product; it is simply not free in any meaningful sense.

Verdict: Cross this off your free list. If you like the interface, budget for the subscription. If you want a cost comparison, Self Employed Accounting Software: What You're Overpaying For breaks down the real annual cost of the major platforms.

Option 3: Zoho Books Free Plan

Zoho Books has a genuinely free tier for businesses with annual revenue under £42,000 (the threshold is set in their pricing as 1,000 invoices per year and a revenue cap). The free plan includes automated bank feeds, receipt capture, and MTD for VAT. The key question for sole traders is whether it covers MTD for Income Tax Self Assessment.

The fine print test result: At the time of writing, Zoho Books' free tier covers MTD for VAT submissions but MTD ITSA compatibility is available on paid tiers. More critically, if your turnover exceeds their revenue cap, you are ineligible for the free plan regardless. A sole trader earning £55,000 is likely outside the free tier parameters.

Verdict: Relevant for very small sole traders below the MTD threshold who want to get organised early. Unlikely to serve the core 2026 cohort of £50,000 to £80,000 earners.

Option 4: Bokio

Bokio is a smaller UK-focused accounting tool that offered a free plan including MTD for VAT. It has positioned itself as a straightforward option for sole traders and small businesses.

The fine print test result: Bokio's free tier has historically covered basic bookkeeping and VAT submissions. MTD ITSA is the relevant test, and Bokio's roadmap and current pricing tiers should be checked directly before committing. Smaller vendors are more likely to change pricing structures as MTD ITSA deadlines approach; the commercial incentive to monetise the compliance deadline is significant.

Verdict: Worth investigating, but treat any free tier from a smaller vendor as provisional. Ask explicitly whether MTD ITSA quarterly submissions are included before the April 2026 deadline, not after.

The Question Nobody Asks Before Signing Up

Most sole traders searching for free MTD software ask: "Is it free?" The more useful questions are:

Does it cover MTD for Income Tax, not just MTD for VAT? These are different obligations. Many tools that advertise MTD compliance built their VAT submission feature years ago and have not yet fully built out MTD ITSA. VAT compliance does not make you compliant for income tax.

What is the transaction or invoice cap? A sole trader earning £60,000 in a trade with regular materials purchasing might generate 300 to 500 transactions per quarter. Free tiers routinely cap at 50 to 1,000 transactions per year, which sounds generous until you check your bank statement.

What happens at the end of the free period? If you have logged six months of financial records into a platform and it then moves behind a paywall, switching becomes painful. Your data may be exportable, but the time cost of migration is real. MTD Software for Sole Traders: Switching Without the Chaos walks through the migration process if you are already in this situation.

Is the free tier actively maintained? Free tiers sometimes receive delayed software updates. If MTD ITSA specifications change (HMRC has form on this), paid tiers tend to receive compliance updates first.

What a £60,000 Sole Trader Actually Needs

Take a self-employed electrician turning over £62,000 a year. He has around 40 to 60 purchase transactions per month (materials, van fuel, tools), roughly 15 to 25 sales invoices, and one employee benefit in kind to declare. He does not need payroll software, complex project tracking, or multi-currency support. He needs:

• Quarterly income and expense categorisation
• Four MTD ITSA submissions to HMRC per year
• A final declaration
• Bank feed connection to reduce manual entry
• Receipt capture on a mobile phone

That is it. The problem with many free tiers of enterprise accounting tools is that they are stripped-back versions of software designed for companies with finance teams. The features our electrician needs are sometimes locked behind paid tiers not because they are expensive to provide, but because they are core to the upsell.

A purpose-built MTD app designed specifically for sole traders tends to include all five requirements above at a lower price point than the entry tier of QuickBooks or Xero, precisely because it does not carry the overhead of enterprise features nobody in a white van will ever use. For a detailed breakdown of what you are paying for in those enterprise tools, Making Tax Digital Software: Stop Paying for Features You'll Never Use is worth reading before you commit.

The Honest Shortlist for 2025

Rather than ranking tools that will change their pricing before April 2026 arrives, here is the honest shortlist framework:

Free if you qualify: FreeAgent via NatWest or RBS. Check your bank first.

Free for low turnover: Zoho Books if you are under their revenue threshold and only need to prepare before the MTD ITSA mandate hits. Not a long-term solution for £50,000 plus earners.

Low cost rather than free: Purpose-built MTD apps (TapTax included) that charge a modest monthly or annual fee and cover every submission requirement without enterprise bloat. At £5 to £10 per month, you are talking £60 to £120 per year. That is less than a single late-filing penalty from HMRC.

Not free, despite appearances: QuickBooks trial, Sage trial, Xero trial. These are sales funnels, not free software.

One More Check Before You Commit

HMRC maintains a list of MTD-compatible software on its website. Before you hand over data or bank details to any tool, check that it appears on that list for MTD for Income Tax Self Assessment specifically, not just MTD for VAT. The list is updated and some tools listed for VAT are not yet listed for ITSA. This is a five-minute check that could save you a compliance headache in 2026.

If you are unsure whether you are in scope for April 2026, the free tax calculator at TapTax can help you work out your position based on your trading income.

For the broader question of what MTD ITSA actually requires you to do across the year, Making Tax Digital for Income Tax: The Five Submission Problem explains the submission calendar in plain terms.

The Free MTD Software Question, Answered Honestly

The best free making tax digital software is FreeAgent, for the minority of sole traders who bank with NatWest or RBS. For everyone else, truly free and fully compliant MTD ITSA software does not exist at the income levels that trigger the April 2026 mandate. The market has been structured that way deliberately.

The practical answer is not to keep searching for a unicorn but to find the lowest-cost compliant option that covers what you actually need. For most sole traders, that is a purpose-built MTD app at a price point well below what you would spend on accountant fees or late-filing penalties.

Start with the HMRC-approved software list. Apply the three questions above. And if a tool describes itself as free, ask which of its three definitions of free applies before you enter a single transaction.