abcPOS vs uniCenta oPOS
abcPOS is a cloud-based restaurant point of sale from Abacus Business Computer in New York. 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. Both are listed under Restaurant POS. They differ in price, audience and platforms.
Key differences
price
On price, uniCenta oPOS lists GBP 6 per month, charged yearly. AbcPOS does not publish a starting price.
audience
The audiences they list differ. Listed for one product only, for example: abcPOS: US restaurants and small chains; uniCenta oPOS: Small and medium businesses that want free, open source POS.
platforms
Platform support differs. abcPOS: Web; uniCenta oPOS: Web, Windows, macOS, Linux.
countries covered
On geography, abcPOS names 1 country and uniCenta oPOS names 3 countries. 1 country appears in every list.
security and compliance
Listed security and compliance items: abcPOS: PCI PTS; uniCenta oPOS: PCI compliant.
Side by side
| Field | abcPOS | uniCenta oPOS |
|---|---|---|
| What it is | abcPOS is a cloud-based restaurant point of sale from Abacus Business Computer in New York. | 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 | 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 | Free software with paid support subscription |
| Starting price | Not published | GBP 6 per month, charged yearly |
| Free plan | Not published | Yes |
| Free trial | Not published | Not published |
| Contract | Not published | Annual billing |
| Platforms | Web | Web, Windows, macOS, Linux |
| Countries | United States | European Union, United Kingdom, United States |
| Languages | Chinese, English | Not published |
| Number of integrations | Not published | 2 |
| Certifications | PCI PTS | PCI compliant |
| Security practices | Not published | Not published |
| Founded | Not published | 2010 |
| Headquarters | New York, United States | Not published |
| Owner | Not published | Not published |
| Last reviewed | 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 uniCenta oPOS
- WooCommerce
- WordPress
Which to choose
abcPOS
Choose abcPOS if you fit its listed audience: US restaurants and small chains; Quick-service, cafe, tea shop and bakery operators; Restaurants that want self-ordering.
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
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
Go further
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
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

