Which Is Better for Outdoor and Mobile Trading?
BusinessExpert may earn a commission if you sign up through links on this page. Square is an affiliate partner. Our editorial recommendations are based on verified pricing and features, not commission rates.
Neither provider is meaningfully cheaper for in-person payments. Both charge 1.75% flat, both have no monthly fee, and neither locks you into a contract.
The differences that actually matter are underneath that headline: where your money lands after a sale, how capable the POS app is, and whether you need a terminal that works without Wi-Fi. Getting those three things wrong costs you in ways that don’t show up in a rate table.
For outdoor and mobile trading specifically, the hardware connectivity question decides the comparison for many businesses before pricing is even relevant.
You need a POS app that handles more than a fast checkout. Square’s free Point of Sale includes open tabs, item modifiers, split bills, basic table layout, customer records, and inventory tracking, all without a monthly fee.
For a café, market stall that sells multiple item types, or any business where the till has to do real work, that matters.
Zettle’s standard app handles a product library and sales reporting well, but it does not do tabs or table management without switching to a separate Zettle Food & Drink product.
Visit SquareYou trade somewhere without reliable Wi-Fi and need a terminal that runs on its own connection. The Zettle Terminal has built-in 4G at £149 +VAT with no ongoing SIM fee.
Square Terminal costs the same but requires Wi-Fi or Ethernet, which means carrying a phone as a hotspot, or hoping the venue has a stable connection. For market traders, mobile caterers, and outdoor events, that practical gap is the whole decision.
Zettle also wins if PayPal is already load-bearing in your business. Funds from Zettle sales land in your PayPal Business account within minutes, which is useful if you invoice, sell through eBay or Etsy, or regularly move money between PayPal and your bank.
Visit ZettleSquare vs Zettle Fees and Charges
Card Transaction Fees
In-person, both providers charge you 1.75% flat on all card transactions including American Express, no monthly fee, no minimum term, no authorisation fee per transaction. We verified this symmetry holds across all card types.
Monthly, Setup and Contract Costs
Neither Square nor Zettle charges you a monthly fee on the standard plan, a setup fee, or an exit fee. We rate both as genuinely no-contract providers at the base tier.
Other Fees to Watch
If you sell online or take card-not-present payments, the gap opens: Square charges 1.4% + 25p for UK-card online transactions; Zettle charges 2.5%. We found keyed-in transactions are 2.5% on Square and 2.75% on Zettle.
Fee Verdict: Who Costs Less
In-person, the two providers are identical: 1.75% flat on all card transactions including American Express, no monthly fee, no minimum term, no authorisation fee per transaction. That symmetry holds across all card types.
The gap opens on online and card-not-present payments:
| Method | Square | Zettle |
|---|---|---|
| Online (UK card) | 1.4% + 25p | 2.5% |
| Invoices | 2.5% | 2.5% |
| Keyed-in | 2.5% | 2.75% |
At £3,000 per month in online card sales, Square costs around £67. Zettle costs £75. That £8 monthly gap is not the reason to choose one over the other, but it compounds if your card-not-present volume is high.
Square vs Zettle Payment Methods and Checkout Options
Cards, Wallets and Alternative Payment Methods
Both providers accept Visa, Mastercard, and American Express at 1.75% in-person. If you already use PayPal in your business, Zettle also enables PayPal Wallet acceptance in-store, we found Square does not offer this natively.
Checkout Experience
Square offers you a full online payments stack including a hosted store, payment links, and embeddable checkout. If you need to sell online, we rate Square the default choice; Zettle has no native e-commerce product.
Methods Verdict
Both providers accept Visa, Mastercard, and American Express at the same flat 1.75% in-person rate. No Amex surcharge applies on either, which simplifies pricing for outdoor traders and market stalls where a wide card mix is common. Both support contactless, Apple Pay, and Google Pay.
Zettle has a native QuickBooks integration that imports daily sales automatically. Square connects to QuickBooks through third-party apps, which adds a step. Both providers connect natively to Xero. If QuickBooks is your accounting system, Zettle removes friction that Square currently does not.
Square vs Zettle Hardware, POS and In-Person Payments
Card Readers and Terminals
Square Reader is £19 +VAT and connects to your phone over Bluetooth. Square Terminal at £149 +VAT is a standalone Wi-Fi device with a built-in printer and receipt screen.
Square Register at £699 +VAT is a full countertop EPOS with a customer-facing screen. All hardware is owned outright with no rental obligation.
Square’s free POS app covers open tabs, item modifiers, split bills, customer records, basic table layout, and inventory tracking. For a café, small bar, or food stall with a complex menu, it is a complete EPOS replacement at no software cost.
Zettle’s standard app handles products, discounts, and sales reporting for fast counter-service businesses, but does not include table management or open tabs without the separate Zettle Food & Drink product.
POS Software and Hardware Add-ons
The PayPal Reader (formerly Zettle Reader 2) is £29 +VAT standalone or £59 +VAT as Reader + Dock. Zettle Terminal is £149 +VAT with built-in 4G, no SIM plan required, no ongoing connectivity cost.
For a market trader or outdoor event operator, this is the specific hardware advantage Zettle holds over Square: Square Terminal needs Wi-Fi; Zettle Terminal does not. Both providers sell hardware outright with no return requirement.
In-Person Verdict
The Zettle Terminal (£149 +VAT) has a built-in 4G SIM with no ongoing monthly cost. It works without Wi-Fi, without a paired phone, and without monitoring signal bars.
When connectivity drops, the device queues transactions and syncs automatically on reconnection. For a market stall, outdoor event, delivery vehicle, or rural venue, that independence is directly practical.
Square Terminal (£149 +VAT) costs the same but requires Wi-Fi or Ethernet. At a fixed indoor location with reliable Wi-Fi, it is perfectly workable.
For outdoor trading with no reliable connection, you need a phone as a hotspot, an added dependency that can fail at the worst moment. Square Reader (£19 +VAT) has the same limitation: Bluetooth connection to a phone that needs charging and signal.
For market traders, outdoor caterers, or anyone who cannot guarantee a stable internet connection at the point of sale: Zettle Terminal is the hardware choice. The £130 premium over a Square Reader pays back on the first day you would have missed a sale.
Square vs Zettle Online Payments and Integrations
Hosted Checkout, Payment Links and APIs
Square Online provides a free e-commerce store connected to in-person inventory at 1.4% + 25p for UK cards. Zettle has no native e-commerce product; it integrates with Shopify and WooCommerce for businesses that already have an online store.
Platform Integrations
Square integrates with Xero, QuickBooks, FreeAgent, and Wix. Zettle integrates with Xero, QuickBooks, and Sage. Zettle also has a native QuickBooks integration that imports daily sales automatically, whereas Square uses third-party connectors.
Online Verdict
Square Online gives you a free e-commerce store connected to the same inventory as your in-person reader. Online transaction fee is 1.4% + 25p for UK-issued cards. For an outdoor trader who also sells through a website, this unified inventory and reporting is a genuine operational advantage.
Zettle does not have a native e-commerce product. Zettle integrates with Shopify, WooCommerce, and BigCommerce for businesses that already have an online store.
If you need to set up a new online store, Square is the simpler path. If you already trade through Shopify or WooCommerce, Zettle’s integrations cover that too.
Square vs Zettle Payouts, Contract Terms and Account Risk
Settlement Speed and Payout Schedule
Square settles to your linked UK business bank account the next working day, including bank holidays and weekends.
Zettle routes funds into your PayPal Business account first, we confirmed this typically arrives within minutes, then transfers to your bank over one to two business days.
Contract Length and Exit Terms
Neither provider has a contract on the standard reader tiers; neither charges you for refunds or exit. We rate both as genuinely no-commitment from day one.
Reserves, Holds and Account Stability
Square settles to your linked UK business bank account the next working day for payments processed before midnight, including bank holidays and weekends. Settlement is direct, no intermediate account. Square also offers instant transfers to your bank for a 1.5% fee.
Zettle routes funds into your PayPal Business account first, typically within minutes, and those funds then transfer to your linked bank account over one to two business days. If you use PayPal regularly, the wallet step adds utility. If you do not, it is an extra transfer to manage.
Zettle does not have an equivalent instant-to-bank option, though the PayPal wallet balance is available immediately for PayPal transactions. Neither provider has a contract on the standard reader tiers; neither charges for refunds.
Square vs Zettle Customer Reviews and Reputation
Trustpilot and Independent Review Themes
We checked Trustpilot in May 2026: Square scores 4.1/5 from 3,619 reviews; Zettle scores 3.4/5 from 5,612 reviews. If you check these yourself, you will find Square praised for its free POS app and Zettle praised for instant PayPal settlement and the 4G terminal for outdoor traders.
Support Channels and Response Times
Square offers email and in-app support on the free plan; if you need phone support, you will need the Plus plan. We found negative Zettle reviews tend to centre on customer service response times and the extra step of PayPal settlement routing.
Reputation Verdict
Square has a Trustpilot score of 4.1/5 from 3,619 reviews (checked May 2026). Common positives: easy setup, the free POS app, and no contract. Common negatives: fund holds when transaction patterns change, and email-first support on the free plan.
Zettle has a Trustpilot score of 3.4/5 from 5,612 reviews (checked May 2026). Common positives: instant PayPal settlement and the 4G terminal for outdoor traders.
Common negatives: customer service response times and the PayPal settlement routing adding a transfer step for businesses that don’t use PayPal regularly.
Both providers are FCA-regulated; Square is a licensed e-money institution (reference 900010) and Zettle operates under PayPal’s FCA authorisation.
Square vs Zettle for PayPal Ecosystem Integration
For businesses already operating within the PayPal ecosystem, Zettle has a genuine structural advantage. Funds settle to your PayPal Business account in minutes, unifying in-person and online PayPal revenue in one balance.
This matters if you already invoice through PayPal, sell on eBay or Etsy (which use PayPal), or regularly transfer between PayPal and your bank.
Square’s equivalent is its own ecosystem: Square Online, Square Invoices, Square Appointments, and the Square App Marketplace. For a business built around PayPal, switching the payment layer to Square means running two financial platforms instead of one.
For a business with no PayPal dependency, Square’s direct-to-bank settlement is simpler than Zettle’s PayPal-first routing.
The QuickBooks integration question also breaks along ecosystem lines. Zettle integrates natively with QuickBooks Online; Square integrates through third-party apps. For an accountant-managed business that runs on QuickBooks, Zettle removes a friction point that Square does not.
Downsides of Square and Zettle
Downsides of Square
Square Terminal requires Wi-Fi or Ethernet, a real constraint for outdoor markets and mobile traders without a reliable signal. Fund holds can occur without warning if transaction patterns change, which is disruptive for market stall operators with seasonal or event-driven spikes.
Customer support is email-first on the free plan. Online and invoiced payment rates (2.5% keyed-in) are higher than some dedicated online payment providers.
Downsides of Zettle
Settlement goes to a PayPal wallet first, not directly to your business bank account. For businesses that don’t use PayPal, this adds an extra transfer step and a 1–2 day delay to bank.
The standard Zettle app lacks table management and open tabs, you need the separate Zettle Food & Drink product for hospitality workflows.
Online transaction rates (2.5%) are higher than Square’s. Trustpilot score is lower than Square’s, partly reflecting the PayPal settlement routing as a pain point.
Alternatives to Square and Zettle
If neither Square nor Zettle fits, three alternatives cover the main use cases for outdoor and mobile traders:
- SumUp Air: £14.99, 1.69% flat, no contract. Cheapest mainstream entry. No 4G terminal option; requires a phone for connectivity like Square Reader.
- myPOS Go 2: £29, 1.10% + 7p on Visa/MC, built-in 4G SIM with lifetime data. No phone needed. Funds settle to an e-money account, not a bank, £1.50 per bank transfer. Strong competitor to Zettle Terminal for outdoor traders who want standalone operation.
- Lopay: £24 reader, 0.99% (next-day). Cheapest per-transaction rate among phone-paired readers. No 4G terminal. No POS depth beyond basic checkout.
Final Verdict: Square or Zettle?
Square and Zettle are the only two mainstream UK card readers that charge an identical in-person rate (1.75%), require no contract, and have no monthly fee. The decision genuinely comes down to use case rather than price.
Choose Square if you need a capable POS app from day one, want settlement direct to your business bank account the next working day, or plan to sell online through the same account.
Choose Zettle if you need a 4G terminal for outdoor trading without Wi-Fi dependence, or if PayPal is already central to your financial workflow.
Fees verified against provider websites, May 2026. Zettle is now marketed as PayPal POS. Trustpilot scores: Square 4.1/5 from 3,619 reviews; Zettle 3.4/5 from 5,612 reviews (checked May 2026). This is editorial content, not regulated financial advice.
Frequently Asked Questions
Is Square or Zettle cheaper?
On the per-transaction rate, Square and Zettle are identical for UK card-present sales: 1.75% flat including Amex, with no monthly fee on the basic plan and no contract.
Hardware sits in the same range too, Square Reader at £19 and Zettle Reader 2 at £29 for entry-level kit, Square Terminal and Zettle Terminal both at £149 +VAT for standalone devices.
Settlement is where the gap appears. Square pays out to your bank in 1–2 working days; instant transfer to a card costs 1.5% of the payout amount. Zettle settles to a PayPal balance in minutes and to a bank account on the next working day.
If PayPal is already central to your finances, Zettle’s near-instant routing is materially better. If you are paying directly into a business bank account, the difference is marginal.
Does PayPal still own Zettle?
Yes. Zettle was acquired by PayPal in 2018 and is now marketed under the “Zettle by PayPal” brand. PayPal balance settlement, PayPal QR at the till, and PayPal Business Loan eligibility flow from that ownership and are real Zettle advantages if your customers already use PayPal.
Which has the better POS software?
Square wins decisively on POS depth. The free Square POS app includes table management, modifiers, open tabs, split bills, course timing and kitchen ticket printing, features sold separately or unavailable in Zettle.
For a single-site cafe, restaurant or pub, Square’s free tier covers most operational needs from day one. Zettle’s app is built for simple retail and counter service; hospitality workflows are not its target use case.
Which works better for outdoor and market trading?
Zettle Terminal at £149 +VAT has a built-in 4G SIM with no ongoing data cost, it works without Wi-Fi and without a paired phone. Square Terminal at the same price needs Wi-Fi or a hotspot.
For a market stall, outdoor caterer or delivery vehicle, Zettle Terminal is the more reliable choice; the £130 premium over a Square Reader pays back the first time you would otherwise lose a sale to a dropped signal.
Do both providers accept Amex without a surcharge?
Yes. Square Reader and Zettle Reader 2 both accept American Express at the same 1.75% flat rate as Visa and Mastercard.
For UK businesses with a meaningful Amex customer base, this matches SumUp and is one of the strongest reasons to choose either over a traditional acquirer that surcharges Amex separately.
Are Square and Zettle both FCA-authorised?
Yes. Squareup Europe Limited is FCA-authorised as an Electronic Money Institution (FRN 900846). PayPal (Europe) S.à r.l. operates the Zettle UK service under FCA recognition as an EEA-passported e-money institution.
Neither balance is FSCS-protected, that protection applies to bank deposits, not e-money. Both providers safeguard merchant funds in accordance with FCA safeguarding rules.
Account holds during disputes are the most consistent complaint category for both brands, a risk that applies across all payment service providers.
How we reviewed Square vs Zettle
Ranking criteria. We compared Square and Zettle on pricing, fees, feature set, eligibility, and contract terms. We also verified regulatory status and deposit protection where applicable.
Data sources. Every provider’s pricing page, terms, and product docs were checked directly in May 2026. No comparison sites, no press releases, no affiliate material. FCA register cross-checked for regulatory status.
Update cadence. We re-verify every provider on this page at least monthly, and whenever a provider changes pricing, eligibility, or terms. The verification date on the page reflects the most recent full review. Some links on this page are affiliate links, see our editorial policy.