The short version
For most UK small businesses, the real question is not ‘POS or EPOS’. It is whether you need inventory management, staff scheduling and reporting built into your till, or whether a basic card reader plus a free app is enough. Basic POS suits sole traders, market traders and low-volume service businesses. EPOS suits shops with stock to track, restaurants with table management, or any business with more than two or three staff. A full EPOS system is poor value for a mobile hairdresser doing five transactions a day. A bare card reader falls short the moment you need to track what is selling, reconcile stock, or comply with Making Tax Digital.
Which Is Better for Small Retail and Hospitality?
A clothing boutique with 200 SKUs across five sizes and twelve colours needs EPOS. The owner has to know what sold, what is running low, and what to reorder on Monday. We see this constantly: a card reader with no stock link leaves a retailer guessing by Friday.
A Saturday market trader selling handmade candles needs a POS card reader. Twenty lines, stock counted by hand, and £49/month for EPOS eats into margin before the first sale of the day. We wouldn’t recommend EPOS here; it is the wrong tool.
This isn’t really a technology decision. The question is whether you run a stock-based business with multiple staff, or simply take payments and keep your own records. EPOS is worth the fee when inventory tracking and daily reports save more time than the subscription costs.
For hospitality the split is starker. A two-table cafe on Square or SumUp costs nothing per month. A twelve-cover restaurant with a kitchen printer, table mapping and a second server needs hospitality EPOS at £49 to £69/month.
POS vs EPOS Fees and Charges
Card transaction rates are set by the payment processor, not by whether your system is called POS or EPOS. Square charges 1.75% in person on both its free app and its £49/month Retail Plus plan. SumUp charges 1.69% flat. Zettle charges 1.75%.
This is the most common misconception we encounter: you pay more per month for EPOS features, not for processing. If you use Square, SumUp or Zettle, your transaction rate is identical on the free POS app and the paid EPOS tier.
Free POS software (Square Point of Sale, SumUp POS Lite, Zettle POS) costs nothing beyond hardware. EPOS tiers run £49/month (Square Retail Plus, SumUp POS Pro) to £69 to £75/month for Lightspeed Retail, unlocking inventory, purchase orders, staff management and advanced reporting.
Watch the edges. Legacy EPOS with a separate acquirer may carry a PCI fee of £75 to £150/year. Shopify POS charges 0.5% to 2% per transaction if you don’t use Shopify Payments, a surcharge that can outweigh the monthly-fee difference at volume.
Here is the fee verdict. At £10,000/month in card sales, the rate difference between 1.69% and 1.75% is £6/month; the jump from free POS to £49/month EPOS is £49. The fee maths never closes on transaction rates alone.
EPOS does little for you at the till; the payoff is all in the back office. Stock that doesn’t run dry on a Saturday, reconciliation that no longer eats two hours, staff who answer questions without vanishing into the stock room.
None of that shows on the receipt, which is exactly why it gets underrated.
POS vs EPOS Hardware and Payment Methods
Both POS and EPOS accept the same card types: Visa, Mastercard, Amex, Apple Pay, Google Pay and contactless. Acceptance is set by the processor, not the till tier. Upgrading to EPOS doesn’t unlock new card types; you don’t need a £69/month system to take Apple Pay.
Where EPOS adds breadth is operational: split tenders (part cash, part card), credit account invoicing for trade customers, gift-card redemption and loyalty at the till. Those need EPOS software, not just a reader.
On hardware, a basic reader is self-contained: a Square Terminal at £149 + VAT or a SumUp Solo at £79 + VAT includes its own display and printer. A full EPOS counter (till, terminal, cash drawer, printer, scanner) runs £300 to £800 at minimum.
A market trader is operational for £40 with a SumUp Air. A restaurant setup with a kitchen display and table management can reach £1,500 to £2,500 in hardware alone. The counter cost is a one-off; the monthly software subscription is the ongoing commitment to evaluate.
POS vs EPOS Online Payments and Integrations
Basic POS card readers are in-person tools. Square, SumUp and Zettle offer payment links or online invoicing as separate add-ons, not an integrated omnichannel checkout. If you sell online and offline, you either reconcile manually or move to EPOS with an e-commerce module.
EPOS with e-commerce is different. Square Online connects Square for Retail inventory to a hosted shop; Shopify POS links straight to a Shopify store, so your counter and your website stop disagreeing about what is in stock. That removes the manual sync that eats time every Sunday.
On accounting, basic POS providers offer limited integrations: SumUp exports to CSV, the rest is manual entry. Square for Retail Plus, Lightspeed and Epos Now connect to Xero and QuickBooks natively.
This matters for compliance. Making Tax Digital above £50,000 turnover (from April 2026) makes digital record-keeping mandatory. A bare card reader with no accounting link needs bridging software to comply; an EPOS with a native integration handles it automatically.
POS vs EPOS for Inventory and Stock Management
A card reader with a free POS app does not track stock. You know the money came in; you don’t know which products sold, which are running low, or what to reorder. We call it the Monday problem: every week, buying decisions made on incomplete information.
A basic EPOS at £49 to £75/month gives you a product catalogue with stock levels, automatic deductions on each sale, low-stock alerts and a reorder report. Square for Retail Plus adds purchase orders; Lightspeed adds matrix inventory across size, colour and variant.
For a clothing retailer with 300 SKUs across five sizes and ten colours, the gap between a card reader and EPOS is the gap between guessing stock and knowing it. We have seen one missed reorder cost more than three months of EPOS subscription in a single lost sale.
Downsides of POS and EPOS
Basic POS has real limits. It records that money came in, not what sold, what your margins are, or whether you are running out. Free apps give you a transaction list and a daily total, nothing more.
End-of-month reconciliation then means a spreadsheet: an hour every Sunday that adds up to 50+ hours a year a £49/month EPOS would remove.
EPOS has its own downsides. It needs upfront configuration: loading 200 SKUs, setting staff permissions and table layouts takes hours, and for an owner who is also the chef and the accountant, that setup time is genuinely expensive.
Monthly costs are fixed regardless of trading. A seasonal business closed for six months still pays unless the provider allows suspension (Square and SumUp do; check first).
EPOS complexity can also exceed what you need: a weekly market trader gains nothing from matrix inventory or staff scheduling. Paying for features you never use does not come back.
Alternatives to POS and EPOS
If neither a bare reader nor a full platform fits, three middle-ground options are worth a look. Square for Retail Free or Square for Restaurants Free gives you basic inventory and menu management at no monthly cost, at 1.75% in person.
We place that first for businesses that have outgrown a reader but can’t justify £49/month yet.
SumUp POS Pro at £49/month adds inventory, staff management and daily reporting at SumUp’s 1.69% rate. We rate it the cleanest upgrade path for businesses already on SumUp hardware: no new device, no new acquirer.
Epos Now at £39 to £75/month is a full system compatible with your own choice of acquirer. If you already hold a bank merchant account on a negotiated rate, it may be the cheapest route to full EPOS without switching your payment processing.
Final Verdict: POS or EPOS?
A basic POS card reader is the right answer when you take payments and keep your own records. The rate is as low as 1.69% with no monthly fee, and you are operational in ten minutes. Most market traders, sole traders and mobile service providers never need more.
EPOS justifies its fee when you have stock to track, staff to schedule, or a reporting need a daily total can’t satisfy. The test is simple: does the system save enough operational time or protect enough stock to pay for itself each month?
Ignore the label. UK providers selling full systems call themselves ‘POS providers’, and card-reader companies sell EPOS-tier upgrades on the same platform. Focus on the question, not the marketing.
Start simple. A SumUp Air at £39 or a Square Reader at £19 + VAT is a functional start. When Sunday reconciliation takes more than an hour, or a missed reorder costs you a sale, that is the signal to upgrade.
Frequently Asked Questions
What is the difference between POS and EPOS?
POS (Point of Sale) refers to where a customer pays; in practice it covers basic card readers and till apps that take payment and record the sale. EPOS (Electronic Point of Sale) is a full computerised system that also handles inventory, staff scheduling, sales reporting and accounting integrations. In the UK market many providers use the two terms interchangeably, so the practical question is whether the system tracks stock and generates management reports, or just processes payments.
Do I need an EPOS system for my small shop?
If you have more than 20 to 30 product lines and buy stock to resell, you probably need at least a basic EPOS tier. Without inventory management you are guessing and relying on manual counts, which breaks down quickly when trading gets busy or a reorder is due. If you sell services (haircuts, repairs, consulting) or very few lines you count by hand, a free POS card reader is almost certainly enough.
Is EPOS more expensive than POS?
In monthly running costs, yes. Free POS apps cost nothing beyond hardware; EPOS software runs from £25/month at entry level to £75/month per till for a full system, and hardware is almost always higher. On transaction fees, though, EPOS does not charge more than basic POS for card processing. The extra monthly cost buys software features, not lower rates.
Can I use a POS card reader if I have multiple staff?
Yes, but with limits. Square’s free POS allows multiple staff accounts but without individual transaction tracking or staff-level reporting; SumUp and Zettle have minimal multi-user features on free tiers. If you need to know which staff member completed each sale, restrict discount permissions per role, or view individual productivity, you need an EPOS system with staff management, typically from £49/month upwards.
Does Making Tax Digital (MTD) affect my choice of POS or EPOS?
Above £50,000 annual turnover, MTD for Income Tax Self Assessment requires digital record-keeping from April 2026. A basic POS card reader with no accounting integration does not satisfy this on its own; you would need bridging software. An EPOS system with a native Xero or QuickBooks integration handles MTD automatically. If you are approaching the £50,000 threshold, MTD is a legitimate reason to move to an EPOS tier.
How we compared POS and EPOS
What we compared. We weighed basic POS card readers against full EPOS systems on published transaction rates, monthly fees and the operational features that justify the cost step-up: inventory, staff management, reporting and accounting integration.
What we verified. Rates and plan details were checked against each provider’s published UK documentation in May 2026, cross-referenced against Trustpilot review themes, with FCA Register entries checked for the named providers.
This guide covers the main UK options for small and mid-sized businesses, not enterprise.
Disclosure. Some links on this page are affiliate links (SumUp, Square). This doesn’t affect the verdict: the recommendation to start with a basic reader and upgrade only when the back office justifies it sits on the cost maths.
Epos Now pricing is promotional and may change. See our editorial policy.