RST EPOS vs uniCenta oPOS
RST EPOS supplies point-of-sale software (TapaPOS and the cloud-based TapaGo), integrated card payments (TapaPay), hardware and connected apps for hospitality and retail in the UK and Ireland. 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
The vendors price on different terms. RST EPOS at GBP 60 per month; uniCenta oPOS at GBP 6 per month, charged yearly. The amounts cannot be compared directly.
audience
Audience differs between the profiles. Listed by one product alone: RST EPOS: Restaurants, cafes and takeaways in the UK and Ireland; uniCenta oPOS: Small and medium businesses that want free, open source POS.
platforms
Listed platforms: RST EPOS: Web, Android, Windows; uniCenta oPOS: Web, Windows, macOS, Linux.
countries covered
On geography, RST EPOS names 2 countries and uniCenta oPOS names 3 countries. 1 country appears in every list.
integrations
On integrations, RST EPOS names 28 integrations and uniCenta oPOS names 2 integrations. No partner appears in every list.
security and compliance
The security and compliance details they list differ. RST EPOS: PCI DSS; uniCenta oPOS: PCI compliant.
Side by side
| Field | RST EPOS | uniCenta oPOS |
|---|---|---|
| What it is | RST EPOS supplies point-of-sale software (TapaPOS and the cloud-based TapaGo), integrated card payments (TapaPay), hardware and connected apps for hospitality and retail in the UK and Ireland. | 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 | Restaurants, cafes and takeaways in the UK and Ireland; Pubs, bars and hotels; Multi-site operators | 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 | Subscription per location (bundle including hardware) | Free software with paid support subscription |
| Starting price | GBP 60 per month | GBP 6 per month, charged yearly |
| Free plan | Not published | Yes |
| Free trial | Not published | Not published |
| Contract | Not published | Annual billing |
| Platforms | Web, Android, Windows | Web, Windows, macOS, Linux |
| Countries | Ireland, United Kingdom | European Union, United Kingdom, United States |
| Languages | English | Not published |
| Number of integrations | 28 | 2 |
| Certifications | PCI DSS | PCI compliant |
| Security practices | Not published | Not published |
| Founded | Not published | 2010 |
| Headquarters | Not published | 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 RST EPOS
- Avondata Rezcontrol
- Deputy
- Dojo
- Global Payments
- GuestDiary
- Guestline
- iDraught
- Kitchencut
- MarketMan
- Mews
- Opsyte
- Oracle OPERA
and 16 moreshow fewer
- Pay360
- Paymentsense
- Procure Wizard
- Protel
- ResDiary
- RoomMaster
- RoomRaccoon
- Sage Intacct
- Shiji
- Stripe
- TapaPay
- Tapa Table
- The Drink Exchange
- Trust Payments
- Worldpay
- Xero
Named only by uniCenta oPOS
- WooCommerce
- WordPress
Which to choose
RST EPOS
Choose RST EPOS if you are in one of these groups: Restaurants, cafes and takeaways in the UK and Ireland; Pubs, bars and hotels; Multi-site operators.
Weaker fit: Businesses outside the UK and Ireland. The vendor describes its service and support as covering the UK and Ireland.
uniCenta oPOS
Choose uniCenta oPOS if you fit its listed audience: Small and medium businesses that want free, open source POS; Bars, cafes and restaurants; Mixed retail and hospitality venues.
What we could not confirm
RST EPOS
- Legal entity name and registration
- Founding year and headquarters
- Employee count
- Contract term
- Full price list beyond the restaurant offer
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.
RST EPOS, reviewed 29 September 2026
- Home pagehttps://www.rstepos.com/
- Restaurant EPOShttps://www.rstepos.com/restaurant-epos-system
- GBP 60 per month offerhttps://www.rstepos.com/restaurant-pos-from-60
- TapaPOShttps://www.rstepos.com/pos-software
- Tapa Officehttps://www.rstepos.com/cloud-back-office
- Integrationshttps://www.rstepos.com/integrations
- Hardwarehttps://www.rstepos.com/hardware
- TapaGohttps://www.rstepos.com/tapago.html
- TapaPayhttps://www.rstepos.com/tapapay
- PCI compliancehttps://www.rstepos.com/pci
- Contact, offices and supporthttps://www.rstepos.com/contact-us
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

