Cheapest crypto tax software in the UK (2025/26): a fair price comparison

You just want to know which crypto tax tool will cost you the least, and every comparison seems to dodge a straight answer. Here is the honest reason why: there is no single "cheapest" tool in the UK, because almost everyone prices the same way, by how many transactions you have. A casual holder with 40 trades and an active DeFi user with 9,000 transactions are sold completely different plans, even on the same product. So the real answer to "which is cheapest" is it depends on your transaction count and which tax year you are filing.

This page lays out the real, current entry and standard prices for the main UK options (Koinly, CoinTracker, CoinLedger, Recap and our own tool, CryptoCGT) as of June 2026. We fetched these from each provider's pricing page live where we could, but prices change often, so treat every figure here as a dated snapshot and check the provider's own site before you buy.

A quick note on us, so you can read the rest fairly. CryptoCGT is a UK-only Capital Gains Tax calculator. We charge a flat £49 per tax year (£29 founding price), a one-off for that year and not a subscription, and you can see your full CGT number for free first, with no account. We are not the right tool for everyone, and we will say clearly below where the others fit better.

Why "cheapest" is a moving target

Transaction-tiered pricing means the cheapest tool for a 50-trade year can be the most expensive for a 4,000-trade year, and vice versa. The headline "from £X" you see on a homepage is usually the smallest tier (often capped at around 100 transactions), and most real filers land a tier or two up.

The other moving part is free tiers. Several tools advertise a free plan, and that is genuinely useful, but free almost always means "see a preview / track your portfolio" rather than "download a finished tax report". You typically still pay to get the document you actually file. We have tried to be precise about that distinction in the table below, because it is where a lot of the confusion (and the "why am I being charged?" surprise) comes from.

One more dimension that matters for a UK filer specifically: not every popular tool is built around HMRC's rules. Some of the biggest names are US-first and lead with US forms. They can still produce a UK-style gains report, but it is worth checking that the output maps cleanly onto your Self Assessment SA108 capital gains pages.

Reading the table fairly

A few honest caveats so the numbers above aren't misleading. Koinly and CoinTracker price in US dollars on the pages we could access; your actual GBP charge depends on the exchange rate and any local pricing they apply, so treat the dollar figures as indicative and check the GBP total at checkout. CoinTracker and CoinLedger lead with US tax forms. They can still help a UK user, but UK Self Assessment is not their primary design, so verify the output matches what HMRC expects.

On free tiers: Koinly genuinely lets you import data and see your calculated gains on screen for free, and only charges when you download the report. That is a real and fair offer, just one that requires creating an account first. CoinTracker and CoinLedger free tiers are about portfolio tracking, not producing a tax figure. Recap has no free calculation tier, but lets you start without a card.

Where CryptoCGT is different is the combination, not any single bullet: you get your full Capital Gains Tax number for free with no account at all, the numbers reproduce HMRC's own published worked examples to the penny, and you only pay the flat £49 when you want the finished SA108 to file. None of those alone is unique (Koinly also previews a number, for instance), but together they are the thing we built the product around.

So which is actually cheapest for you?

If you have a small number of transactions (roughly under 100) and only need one tax year, the entry tiers cluster closely: CoinTracker's Base at $29, Koinly's Newbie and CoinLedger's Hobbyist around $49, and our flat £49. At that level the deciding factor is usually less the price and more whether you want UK-specific output and to avoid a subscription.

If you have a mid-to-high transaction count (1,000+), the tiered tools step up sharply. Koinly and CoinLedger move to roughly $99–$199, CoinTracker to $199 and beyond, Recap to £219, while CryptoCGT stays flat at £49 regardless of how many transactions you have. For higher-volume UK filers, a flat fee is often where we come out cheapest, though if you specifically need API auto-sync that flat fee is buying you a narrower tool.

If you are filing several past years at once, check how each tool charges for back-years, since most charge per year, per tier. We bundle back-years into the single £49, which can change the maths if you are catching up on more than one tax year. And note that tiered tools like Koinly count transactions cumulatively across all years in your account, so a multi-year catch-up can push you into a higher (pricier) tier than a single year would.

A bit of UK tax context

Whichever tool you pick, the underlying rules are the same. For 2025/26, the Capital Gains Tax-free allowance is £3,000, and gains above it are taxed at 18% (within your basic-rate band) or 24% (above it) for crypto. You report crypto disposals on the SA108 capital gains pages of your Self Assessment return. The job of any of these tools is to take your transaction history, apply HMRC's share-pooling rules correctly, and hand you the right numbers for those boxes.

That last point, "correctly", is where accuracy matters more than price, because a confidently-wrong figure can cost far more than the software. If you want to understand the rules yourself, our UK crypto tax guide and 2025/26 rates and allowances guide walk through them with HMRC sources, and our methodology page shows exactly how our engine reproduces HMRC's own worked examples.

Try the free number first

The fairest way to compare is to run your own data. You can paste or upload your transactions into our free calculator and see your full Capital Gains Tax figure for 2025/26 right away, with no account, no card and no exchange keys. If the number looks right and you want the finished SA108 to file, it is a flat £49 for that tax year (£29 at the founding price). If another tool on this page suits you better, that is genuinely fine, but at least start from a number you can see.

Sources

• Koinly: pricing (verify current GBP price)
• Koinly: how pricing works (free preview, per tax year)
• CoinTracker: pricing
• CoinTracker: plans and features
• CoinLedger: pricing
• Recap: pricing (UK-built)
• GOV.UK: Capital Gains Tax rates and allowances
• GOV.UK: SA108 Capital Gains Summary