Making Tax Digital Free Software: The Expiry Date Problem

April 2026 is closer than it feels. If you are a sole trader earning above £50,000, HMRC's Making Tax Digital for Income Tax mandate kicks in then, and every single one of your quarterly submissions must go through compliant software. The phrase "making tax digital free software" gets searched thousands of times a month by people hoping the answer is simple. It is not simple. But the reason it is not simple is more specific, and more avoidable, than most people realise.

The Specific Promise Free Software Makes (and Where It Breaks)

Search for making tax digital free software and you will find a reassuring list. Several well-known names appear: some HMRC-approved, some in beta, some with the word "free" prominently in their marketing. The promise feels clear. The reality has an expiry date.

Here is how the expiry date problem actually plays out for a sole trader. You are a self-employed electrician turning over £62,000 a year. You search for free MTD software in January 2026, find something that looks credible, and sign up. The onboarding takes a weekend. You connect your bank account, categorise three months of transactions, and feel genuinely on top of things for the first time in years.

Then in March, one of three things happens.

Scenario one: The 30-day trial ends. You are prompted to upgrade. The cheapest plan is £15 per month, which is £180 a year you had not budgeted for.

Scenario two: The free plan continues, but when you go to submit your first quarterly update to HMRC in August 2026, you discover that submission is a paid feature. The free tier only covers record-keeping. The actual MTD compliance part costs extra.

Scenario three: The software was genuinely free during a public beta period, but the vendor has since launched a paid product and migrated beta users onto it. Your data is there. Your access is not.

None of these scenarios are hypothetical. All three have happened to sole traders during HMRC's MTD for VAT rollout between 2019 and 2022, which provides the closest real-world precedent we have.

What HMRC's Approved List Actually Tells You (and What It Hides)

HMRC publishes a list of MTD-compatible software on GOV.UK. It is long. It includes columns for whether each product supports quarterly updates, the end-of-period statement (EOPS), and the final declaration. What it does not tell you is price, or whether the free tier of a given product actually covers all three submission types.

As of 2025, the list includes products that are described as having free options. But "free option available" in HMRC's table does not mean the free option is MTD-complete. It means some version of the product is free. Whether that version can actually submit your quarterly updates is a detail HMRC leaves you to discover on the vendor's own pricing page.

For a deeper look at how the approved list works in practice, HMRC MTD Software: How the Approved List Actually Works covers the gap between what the table promises and what sole traders actually encounter during sign-up.

The Three Things a Genuinely Free MTD Tool Would Need to Do

If you want to test whether a free MTD software offer is genuine, hold it against these three requirements. A truly free, fully functional MTD tool must do all of them without a paywall.

1. Submit Quarterly Updates to HMRC

MTD for Income Tax requires four quarterly updates per year, due in August, November, February, and May. Each update summarises your income and expenses for that quarter. If the free tier only lets you log transactions locally but charges to transmit to HMRC, it is not a free MTD tool. It is free bookkeeping software with a paid compliance layer bolted on.

2. File the End-of-Period Statement

The EOPS is a fifth annual submission that confirms your figures for the tax year. It is distinct from Self Assessment and mandatory under MTD. Several tools that offer free quarterly submissions charge separately for the EOPS. Check the pricing page specifically for this feature before committing.

3. Support Your Business Type Without Capping Transactions

A sole trader turning over £62,000 a year might process 40 to 80 transactions per month across materials, tools, fuel, subcontractor payments, and client invoices. Free tiers that cap transactions at 20 or 25 per month are not free tools for this person. They are trials that will expire by the second month of use.

For a full breakdown of what disappears when free software hits its limits, Free Accounting Software UK: What Goes Missing at MTD is worth reading before you commit to any platform.

Why HMRC Does Not Just Build a Free Tool

This is the question that deserves a direct answer. HMRC designed MTD to be delivered through commercial software. That is not an accident or an oversight. It is policy.

The government's rationale, stated in the original MTD consultation documents from 2016, is that commercial software providers can innovate faster than HMRC's own systems. There is also a fiscal argument: if HMRC built a free tool, it would bear the ongoing development and support cost. By mandating commercial software, those costs shift to the private sector and, ultimately, to sole traders through subscription fees.

The result is a compliance requirement with no genuinely free route. HMRC offers a basic "free" bridging tool concept, but as covered in detail in HMRC Free Accounting Software: Why It Does Not Exist, the practical reality for a sole trader with any meaningful turnover is that paid software is effectively mandatory.

The software industry, for its part, is not complaining. MTD has created a captive market of approximately five million self-employed people who must purchase compliant software or face penalties. Vendors have an incentive to offer free trials long enough to generate dependency, then convert users to paid plans. This is not cynicism. It is a standard SaaS business model applied to a legally mandated product.

What You Actually Need If You Earn £50,000 to £80,000

At this income level, you are in the first wave of MTD compliance. You almost certainly cannot use a capped free tier without hitting its limits. But you also probably do not need full-fat accounting software with payroll modules, multi-currency support, and corporation tax features designed for limited companies.

What a sole trader at this income level actually requires is narrow and specific:

• Digital record-keeping for income and allowable expenses
• Bank feed or receipt capture to reduce manual entry
• Four quarterly submissions to HMRC per tax year
• One end-of-period statement per tax year
• One final declaration (replacing the old Self Assessment return)

That is five annual interactions with HMRC. The software that handles those five tasks does not need to cost £30 to £50 per month. Products priced at the higher end of the market are selling you features built for accountancy firms and small limited companies, not for a tradesperson filing five times a year.

The argument that complexity is itself the business model is made in detail over at Best MTD Software: Why Complexity Is the Business Model. It is worth reading before you let a vendor's feature list convince you that you need more than you do.

The Spreadsheet Route: Free, but Not Simple

For completeness: yes, HMRC does allow spreadsheets as part of an MTD workflow. The catch is that a spreadsheet alone cannot submit to HMRC. You need a bridging tool to transmit the data, and bridging tools cost money. So the spreadsheet route is not free either. It is just cheaper than a full accounting platform, at the cost of more manual work.

For most sole traders earning above £50,000, the spreadsheet-plus-bridging approach is also fragile. If your bridging tool changes its pricing, discontinues a feature, or simply stops working after an HMRC API update, you have a compliance gap. You are dependent on two separate systems instead of one.

Making Tax Digital Accounting Software: The Switching Cost Nobody Quotes covers what happens when you have to migrate your data from one system to another mid-year. The short version: it costs more time and money than the original software would have.

The Practical Checklist Before You Commit to Anything

If you are evaluating making tax digital free software options right now, run every candidate through these questions before you invest a weekend setting it up.

Does the free tier submit quarterly updates to HMRC directly? Not just record them locally. Actually transmit them.

Does the free tier include the end-of-period statement? This is the fifth annual submission. Check the pricing page specifically.

What is the transaction cap? If it is below 50 per month and you are turning over £50,000 or more, assume you will hit it.

How long does the free period last? If it is 30 days, it is a trial. Plan for a paid subscription from month two.

What happens to your data if you do not upgrade? Some providers lock your records behind a paywall if you choose not to pay. Know the answer before you enter 12 months of transactions.

Is the product on HMRC's approved list for Income Tax (not just VAT)? MTD for VAT has been running since 2019. MTD for Income Tax is a separate mandate with a separate approved list. Confirm the product is approved for the correct scheme.

For a rigorous version of this checklist applied to specific products, Best Free Making Tax Digital Software: The Fine Print Test does the work of reading the terms so you do not have to.

The Honest Answer to the Free Software Question

Making tax digital free software, in the sense most sole traders hope for when they type that phrase into Google, does not exist. What exists is a market of commercial products, some of which offer time-limited trials or stripped-back free tiers. The genuinely free options either cap your usage below what a £50,000-turnover business needs, or they exclude the submission steps that make the software MTD-compliant in the first place.

The good news is that the gap between free and affordable is smaller than the software industry would like you to believe. Purpose-built MTD apps designed specifically for sole traders, rather than adapted from accounting platforms built for larger businesses, can bring the cost down to a level where the conversation shifts from "can I avoid paying?" to "what is the minimum I need to pay for something that actually works?"

That is a much better question. And April 2026 is close enough that it is worth answering it now, before you spend a weekend setting up software that will send you a pricing email in 30 days.