abcPOS vs Epos Now vs Otter vs uniCenta oPOS
abcPOS is a cloud-based restaurant point of sale from Abacus Business Computer in New York. Epos Now is a cloud point of sale for hospitality and retail, sold as a bundle of touchscreen till, card terminal, receipt printer and software, with its own payment processing and an app store of add-ons. Otter started as a tablet that gathers orders from delivery apps and is now sold as a restaurant point of sale system. uniCenta oPOS is open source point-of-sale software for retail and hospitality that runs on Windows, Linux and macOS, with a browser-based option. All four are listed under Restaurant POS. They differ in price, audience and platforms.
Key differences
price
Starting prices: Epos Now at GBP 299 one-off; Otter at USD 79 per location per month; uniCenta oPOS at GBP 6 per month, charged yearly. The currency or billing basis differs, so they are not directly comparable. AbcPOS does not publish a starting price.
audience
Not every audience is shared. Entries that only one product lists: abcPOS: US restaurants and small chains; Epos Now: Pubs, bars, cafes and takeaways; Otter: Quick service and fast casual restaurants taking online orders; uniCenta oPOS: Small and medium businesses that want free, open source POS.
platforms
They do not run on the same platforms. abcPOS: Web; Epos Now: Web, iOS; Otter: Web, iOS, Android; uniCenta oPOS: Web, Windows, macOS, Linux.
countries covered
Country coverage differs. AbcPOS names 1 country, Epos Now names 12 countries, Otter names 4 countries and uniCenta oPOS names 3 countries. 1 country appears in every list.
Side by side
| Field | abcPOS | Epos Now | Otter | uniCenta oPOS |
|---|---|---|---|---|
| What it is | abcPOS is a cloud-based restaurant point of sale from Abacus Business Computer in New York. | Epos Now is a cloud point of sale for hospitality and retail, sold as a bundle of touchscreen till, card terminal, receipt printer and software, with its own payment processing and an app store of add-ons. | Otter started as a tablet that gathers orders from delivery apps and is now sold as a restaurant point of sale system. | uniCenta oPOS is open source point-of-sale software for retail and hospitality that runs on Windows, Linux and macOS, with a browser-based option. |
| Best for | US restaurants and small chains; Quick-service, cafe, tea shop and bakery operators; Restaurants that want self-ordering | Pubs, bars, cafes and takeaways; Independent restaurants; Businesses running both retail and hospitality; Enterprise groups with several sites | Quick service and fast casual restaurants taking online orders; Restaurants on several delivery apps; Food stands, small cafes and food trucks; Multi-store and high-volume restaurants | Small and medium businesses that want free, open source POS; Bars, cafes and restaurants; Mixed retail and hospitality venues; Technical users and POS resellers |
| Pricing model | Quote only | Hardware bundle plus subscription | Subscription per location | Free software with paid support subscription |
| Starting price | Not published | GBP 299 one-off | USD 79 per location per month | GBP 6 per month, charged yearly |
| Free plan | Not published | No | Not published | Yes |
| Free trial | Not published | Not published | Not published | Not published |
| Contract | Not published | 12 months for the discounted Complete Solution bundle (payments, care and support subscription) | Monthly plans renew monthly; hardware leases need 24 months | Annual billing |
| Platforms | Web | Web, iOS | Web, iOS, Android | Web, Windows, macOS, Linux |
| Countries | United States | Australia, Canada, Germany, Ireland, Malta, Mexico and 6 more | Australia, Canada, United Kingdom, United States | European Union, United Kingdom, United States |
| Languages | Chinese, English | English, German, Spanish | Not published | Not published |
| Number of integrations | Not published | 12 | 34 | 2 |
| Certifications | PCI PTS | Not published | CCPA, GDPR | PCI compliant |
| Security practices | Not published | Not published | Not published | Not published |
| Founded | Not published | 2011 | Not published | 2010 |
| Headquarters | New York, United States | Norwich, United Kingdom | Los Angeles, United States | Not published |
| Owner | Not published | Not published | Not published | Not published |
| Last reviewed | 29 September 2026 | 29 September 2026 | 29 September 2026 | 29 September 2026 |
Integrations
No partner appears in every list.
Named only by abcPOS
abcPOS does not name any integrations in the material we reviewed.
Named only by Epos Now
- Caterbook
- Deliveroo
- Grateful
- LoyaltyDog
- Loyalzoo
- Mailchimp
- OpenTable
- QuickBooks
- Shopify
- Xero
- Yoello
Named only by Otter
- 7shifts
- ChowNow
- Clover
- DoorDash
- DoorDash Drive
- Epos Now
- ezCater
- Flipdish
- GoTab
- Grubhub
- Homebase
- Hungry Panda
and 21 moreshow fewer
- Lavu
- Lightspeed
- Loyverse
- MarketMan
- Micros
- Order with Google
- Brink
- POSitouch
- Postmates
- Restaurant365
- Revel
- Seamless
- Shift4
- Shipday
- Skip the Dishes
- Slice
- Square
- Squirrel Systems
- Stripe
- Toast
- Uber Eats
Named only by uniCenta oPOS
- WooCommerce
- WordPress
Which to choose
abcPOS
Choose abcPOS if your business matches one of the audiences it is listed for: US restaurants and small chains; Quick-service, cafe, tea shop and bakery operators; Restaurants that want self-ordering.
Epos Now
Choose Epos Now if you fit its listed audience: Pubs, bars, cafes and takeaways; Independent restaurants; Businesses running both retail and hospitality.
Otter
Choose Otter if your business matches one of the audiences it is listed for: Quick service and fast casual restaurants taking online orders; Restaurants on several delivery apps; Food stands, small cafes and food trucks.
uniCenta oPOS
Choose uniCenta oPOS if you are in one of these groups: Small and medium businesses that want free, open source POS; Bars, cafes and restaurants; Mixed retail and hospitality venues.
What we could not confirm
abcPOS
- Any price, per-terminal or software fee, processing rates
- Named integrations (delivery platforms, accounting, payroll)
- Contract term and renewal
- Founding year and founders (vendor says 30 years of experience)
- Funding, employee count
- Support hours
- Whether a free trial exists
Epos Now
- Subscription price of software alone; only the bundle and the from-£54 subscription are published
- Contract terms beyond the 12-month bundle subscription
- Prices for non-UK countries
- Security certifications such as PCI DSS
- Equity funding and parent company
- Employee count
- Full integration list of 130+ apps
- Google Play listing
Otter
- Base prices of the Lite and Standard order-aggregation plans (the details page lists features but not the plan prices)
- Enterprise or multi-location pricing (the site offers a quote)
- Founding year, founders, funding and parent company: the site has no About page and states none of these
- Employee count
- Full list of countries and which integrations work in which country; the vendor's own customer claims differ (100,000+ restaurants on the homepage, 275k+ customers and 40+ countries on the why-otter page)
- Interface languages of the product (the marketing site has Spanish, French and Portuguese versions)
- Security certifications such as SOC 2 or PCI level
- Free trial or free plan
- Whether Otter is owned by or affiliated with another company: the legal terms mention affiliates but name none
uniCenta oPOS
- Company legal name, address, headquarters and team size
- Funding (none stated; it describes itself as a small team)
- Countries where it is sold; only card-payment regions and a download count are stated
- Contract terms beyond annual billing
- Security certifications
Sources
Facts on this page come from the pages below. Prices and features change, so confirm with each vendor before you buy.
abcPOS, reviewed 29 September 2026
- Homepage, languages, customershttps://www.abcpos.com/
- Company, customer count, officeshttps://www.abcpos.com/about-us-page
- Core POS featureshttps://www.abcpos.com/cloud-based-restaurant-pos-system
- Hardware bundle offerhttps://www.abcpos.com/30th-anniversary-restaurant-pos-system
- Delivery integrationshttps://www.abcpos.com/third-party-delivery-integration
- Handheldhttps://www.abcpos.com/product-handheld-pos
- KDShttps://www.abcpos.com/kitchen-display-system
- Online orderinghttps://www.abcpos.com/online-ordering-system
- Kioskhttps://www.abcpos.com/self-ordering-kiosk
- QR orderinghttps://www.abcpos.com/qr-code-ordering-system
- Restaurant apphttps://www.abcpos.com/restaurant-mobile-app
- Loyaltyhttps://www.abcpos.com/solutions-loyalty-enhancement
- Clients pagehttps://www.abcpos.com/client-page
- Page discoveryhttps://www.abcpos.com/sitemap.xml
Epos Now, reviewed 29 September 2026
- Homepagehttps://www.eposnow.com
- Hospitality POS, bundle pricehttps://www.eposnow.com/uk/systems/hospitality-pos/
- Restaurant POShttps://www.eposnow.com/uk/systems/hospitality-pos/restaurant/
- Software and appshttps://www.eposnow.com/uk/store/software/
- App directoryhttps://www.eposnow.com/uk/store/software/apps/
- KDShttps://www.eposnow.com/uk/store/software/apps/kitchen-display-system/
- Order & Payhttps://www.eposnow.com/uk/store/software/apps/order-and-pay/
- Pricinghttps://www.eposnow.com/uk/pricing/
- Abouthttps://www.eposnow.com/uk/contact-us/about/
- Legal entityhttps://www.eposnow.com/uk/contact-us/about/privacy-policy/
- Presshttps://www.eposnow.com/uk/press/
- Fundinghttps://www.eposnow.com/uk/press/uk-fintech-unicorn-epos-now-secures-%C2%A390m-to-accelerate-worldwide-growth/
- Scalehttps://www.eposnow.com/uk/press/epos-now-scales-revenue-to-150m/
- App Storehttps://apps.apple.com/gb/app/epos-now-pos-till/id907427782
Otter, reviewed 29 September 2026
- Homepage: positioning, pricing bundles, comparison, claimshttps://www.tryotter.com
- POS bundle prices, processing fees, hardware termshttps://www.tryotter.com/pricing
- Order aggregation plan details, add-on prices, hardware priceshttps://www.tryotter.com/pricing-details-aggregate
- Integration partner listhttps://www.tryotter.com/integrations
- POS product pagehttps://www.tryotter.com/products/otterpos
- Order Managerhttps://www.tryotter.com/products/order-management
- Kitchen displayhttps://www.tryotter.com/products/kds
- Kioskhttps://www.tryotter.com/products/kiosk
- Online orderinghttps://www.tryotter.com/products/online-ordering
- Cateringhttps://www.tryotter.com/products/catering
- Menu managementhttps://www.tryotter.com/products/menu-management
- Loyaltyhttps://www.tryotter.com/products/loyalty
- Marketing automationhttps://www.tryotter.com/products/marketing
- Ratings and reviewshttps://www.tryotter.com/products/ratings-and-reviews
- Financialshttps://www.tryotter.com/products/financials
- Analyticshttps://www.tryotter.com/products/analytics
- Live alertshttps://www.tryotter.com/products/live-alerts
- Website builderhttps://www.tryotter.com/products/website-builder
- Virtual brandshttps://www.tryotter.com/products/virtual-brands
- Inventory Savings cash backhttps://www.tryotter.com/products/inventory-savings
- Otter Go apphttps://www.tryotter.com/products/app
- Company claims, customer nameshttps://www.tryotter.com/why-otter
- FAQ topicshttps://www.tryotter.com/faq
- Legal terms by regionhttps://www.tryotter.com/legal
- Legal entity, billing and cancellation termshttps://www.tryotter.com/legal/tech-services
- Legal entity and Los Angeles addresshttps://www.tryotter.com/legal/privacy-policy
- Page discovery; UK and Australian site versionshttps://www.tryotter.com/sitemap.xml
uniCenta oPOS, reviewed 29 September 2026
- Homepage: positioning, platforms, add-onshttps://unicenta.com/
- Feature listhttps://unicenta.com/features/
- Subscription plans and priceshttps://unicenta.com/apply/
- Integrationshttps://unicenta.com/integrations/
- REST APIhttps://unicenta.com/api/
- Card payment regionshttps://unicenta.com/card-payments/
- Web reporting requirementshttps://unicenta.com/features/web-reporting/
- Support channelshttps://unicenta.com/support/
- Company history and founderhttps://unicenta.com/about-unicenta-opos-point-of-sale/
- Customer case studyhttps://unicenta.com/unicenta-opos-customer-profile-mojo/
- Page discoveryhttps://unicenta.com/page-sitemap.xml