SoloDesks vs Xero, for a sole trader

Xero is proper accounting software and most accountants would rather you used it than anything else on this page. It is also the plan people misread most often: the £16 Ignite tier sends twenty invoices a month, and a busy sole trader goes through twenty without noticing. SoloDesks is a different tool with a flat £12 price and no invoice counter, but it does no bookkeeping and files nothing with HMRC. Which of those matters more depends entirely on whether your accountant has already asked for Xero.

Free plan, no card needed. £12/month for unlimited when you want it.

SoloDesks vs Xero, side by side

FeatureSoloDesksXero
Monthly price for one person£12 flat (or £0 on Free)£16 plus VAT (Ignite)
Invoices includedUnlimited on Pro20 a month on Ignite
Cost of a busy monthStill £12Grow at £37 plus VAT
Making Tax Digital for Income TaxNo, you need accounting softwareYes, listed on every plan
Bookkeeping and bank reconciliationNo, not an accounting packageYes, that is the product
Free plan with no time limitYes, free forever, no cardNo, a free month was offered
Built forA single sole trader's job adminBooks and tax, with an accountant

Xero's plans

Xero is full accounting software, sold in tiers, with a hard invoice cap on the entry plan. For reference, here is what Xero publishes, next to SoloDesks's flat £12/month.

Ignite

£16/mo

ex VAT, 20 invoices/mo

Grow

£37/mo

ex VAT

Comprehensive

£50/mo

ex VAT

Ultimate

£65/mo

ex VAT

All Xero figures exclude VAT. The number that decides this comparison is not the £16, it is the twenty invoices that £16 buys: past that you are on Grow at £37 plus VAT, which is £44 paid. An 80% discount for the first six months was running when we checked, so the entry price is temporary. SoloDesks Pro is £12 flat with no invoice cap.

Questions people ask

Is SoloDesks cheaper than Xero?
Yes, and the gap is wider than the headline suggests. SoloDesks Pro is £12 a month flat with unlimited invoices. Xero's entry Ignite plan is £16 plus VAT, which is £19.20 paid, and it caps you at twenty invoices a month; past that it is Grow at £37 plus VAT. But they are not the same product, and if you need the accounting side the price comparison is beside the point.
Can SoloDesks replace Xero?
Only for the quoting and invoicing part. SoloDesks does no bookkeeping, no bank reconciliation and no Making Tax Digital submissions. If you file through Xero, or your accountant does, you need to keep it or replace it with another HMRC recognised package.
What is the catch with Xero's £16 plan?
Twenty invoices a month, and it is on their own pricing page rather than hidden. It is a fair limit for someone invoicing a few large jobs and a tight one for anyone doing volume domestic work. Count last month's invoices before you choose the tier, because the step up to Grow is more than double.

Comparing more than these two? See our comparison of eight invoicing apps for UK tradespeople, including Xero, QuickBooks and FreeAgent, with every price dated and linked to the page it came from.

Built for one, priced for one

Start on the free plan, no card. Upgrade to Pro for £12 a month when the work picks up.

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Pricing and features shown for Xero are as of August 2026, taken from Xero UK pricing page. Plans and prices change. Verify on Xero's own site before you buy. Xero is a trademark of its owner; SoloDesks isn't affiliated with or endorsed by it, and this comparison is our own.