DineOpen vs ONOSYS vs Square Online
DineOpen is a cloud restaurant management system with a point of sale, QR menu and online ordering, kitchen display, inventory, loyalty and a voice-ordering assistant. Onosys sells online ordering for restaurant brands: a branded mobile-first ordering site and app, third-party marketplace management, a call center ordering tool, catering ordering and a pizza-specific edition. Square Online is Square's online ordering and website tool for food businesses: a branded online ordering profile (and a full website builder) that takes pickup and delivery orders straight into the Square POS and kitchen. All three are listed under Online Ordering System. The main differences are in price, audience and platforms.
Key differences
price
Starting prices: DineOpen at USD 20 per month; Square Online at USD 49 per location per month. The currency or billing basis differs, so they are not directly comparable. ONOSYS does not publish a starting price.
audience
The audiences they list differ. Listed for one product only, for example: DineOpen: Independent restaurants and cafes on a budget; ONOSYS: Multi-location restaurant brands wanting their own ordering channel; Square Online: Restaurants and cafes already on Square POS.
platforms
Platform support differs. DineOpen: Web, iOS, Android, Windows, macOS; ONOSYS: Web; Square Online: Web.
integrations
DineOpen names 7 integrations, ONOSYS names 4 integrations and Square Online names 10 integrations. 3 partners appear in every list.
Side by side
| Field | DineOpen | ONOSYS | Square Online |
|---|---|---|---|
| What it is | DineOpen is a cloud restaurant management system with a point of sale, QR menu and online ordering, kitchen display, inventory, loyalty and a voice-ordering assistant. | Onosys sells online ordering for restaurant brands: a branded mobile-first ordering site and app, third-party marketplace management, a call center ordering tool, catering ordering and a pizza-specific edition. | Square Online is Square's online ordering and website tool for food businesses: a branded online ordering profile (and a full website builder) that takes pickup and delivery orders straight into the Square POS and kitchen. |
| Best for | Independent restaurants and cafes on a budget; Restaurants in India that need GST billing and Swiggy or Zomato order sync; Small chains and cloud kitchens; Sites with unreliable internet | Multi-location restaurant brands wanting their own ordering channel; Pizza chains | Restaurants and cafes already on Square POS; Owners wanting to cut delivery-marketplace commissions; Multi-location food businesses |
| Pricing model | Subscription per location | Quote only | Free |
| Starting price | USD 20 per month | Not published | USD 49 per location per month |
| Free plan | No | Not published | Yes |
| Free trial | Yes | Not published | Yes |
| Contract | None stated; billed monthly or annually | Not published | None (no locked-in contracts; cancel anytime) |
| Platforms | Web, iOS, Android, Windows, macOS | Web | Web |
| Countries | Australia, Canada, India, Singapore, United Arab Emirates, United Kingdom and 1 more | Not published | United States |
| Languages | Not published | Not published | Not published |
| Number of integrations | 7 | 4 | 10 |
| Certifications | GDPR, ISO 27001, PCI DSS, SOC 2 Type 2 | Not published | ISO 27001, PCI DSS |
| Security practices | TLS encryption in transit, AES-256 at rest, optional two-factor authentication, role-based access | Not published | Not published |
| Founded | 2024 | Not published | 2009 |
| Headquarters | Not published | Not published | Not published |
| Owner | Not published | Not published | Block, Inc. (Square, Inc. changed its name to Block, Inc.) |
| Last reviewed | 29 September 2026 | 29 September 2026 | 29 September 2026 |
Integrations
Named by all three
- DoorDash
- Grubhub
- Uber Eats
Named only by DineOpen
- Razorpay
- Swiggy
- Zomato
Named only by ONOSYS
- Skip the Dishes
Named only by Square Online
- Apple Pay
- Cash App
- Facebook Shops
- Google Pay
- Google Food Ordering
- Wix
Which to choose
DineOpen
Choose DineOpen if you fit its listed audience: Independent restaurants and cafes on a budget; Restaurants in India that need GST billing and Swiggy or Zomato order sync; Small chains and cloud kitchens.
ONOSYS
Choose ONOSYS if your business matches one of the audiences it is listed for: Multi-location restaurant brands wanting their own ordering channel; Pizza chains.
Our profile lists a weaker fit: Single-location restaurants: the vendor describes its clients as brands with 10 to 1,500 locations.
Square Online
Choose Square Online if your business matches one of the audiences it is listed for: Restaurants and cafes already on Square POS; Owners wanting to cut delivery-marketplace commissions; Multi-location food businesses.
What we could not confirm
DineOpen
- Legal entity, headquarters and team size
- Founders and funding
- Named customers
- Security certifications (vendor statements only, no certificate or report cited)
- Whether the USD price applies in every country (the US landing page quotes $10)
- Interface languages
- Google Play listing
ONOSYS
- Pricing
- Named POS and payment integrations
- Headquarters and founding year
- Security certifications
Square Online
- Exact processing fee by plan (the page lists 3.3% + 30 cents and 2.9% + 30 cents without a clear plan mapping in the text)
- Headquarters and headcount
- Interface languages
- Whether online ordering profiles are available outside the US
Sources
Facts on this page come from the pages below. Prices and features change, so confirm with each vendor before you buy.
DineOpen, reviewed 29 September 2026
- Homepage: products, pricing summaryhttps://www.dineopen.com
- Plans and featureshttps://www.dineopen.com/pricing
- Founding year, claimshttps://www.dineopen.com/about
- Security statementshttps://www.dineopen.com/security
- POS featureshttps://www.dineopen.com/products/pos
- Offline modehttps://www.dineopen.com/products/offline-pos
- AI voice orderinghttps://www.dineopen.com/products/ai
- QR orderinghttps://www.dineopen.com/features/online-ordering
- Integrationshttps://www.dineopen.com/api-docs
- US landing pagehttps://www.dineopen.com/pos/usa
- Trial, billing termshttps://www.dineopen.com/terms
- iOS app listinghttps://apps.apple.com/in/app/dineopen-restaurant-billing/id6761518444
- Page discoveryhttps://www.dineopen.com/sitemap.xml
ONOSYS, reviewed 29 September 2026
- Homehttps://www.onosys.com/
- Ordering featureshttps://www.onosys.com/solutions/ordering
- Customers and leadershiphttps://www.onosys.com/about-us
Square Online, reviewed 29 September 2026
- Online ordering profile features and FAQhttps://squareup.com/us/en/online-ordering
- Websites (renamed Square Online) features and planshttps://squareup.com/us/en/online-store
- Plan prices, fees, integrationshttps://squareup.com/us/en/pricing
- Restaurant POS and delivery partnershttps://squareup.com/us/en/point-of-sale/restaurants
- Security certificationshttps://squareup.com/us/en/security
- Company historyhttps://squareup.com/us/en/about