
Lightspeed
Toast
Odoo
Heartland Retail
ITSCircle POS
Vantiv
StoreHub
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Which is more popular?
Based on our record, Square seems to be more popular. It has been mentioned 41 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | squareup.com | opalstack.com |
| Pricing | — | |
| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Square is recommended for small to medium-sized businesses, especially in the retail, food and beverage, and service industries, who need a versatile and scalable payment processing and business management solution. It is particularly beneficial for those who prefer a cloud-based service with seamless integration across multiple devices.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Square vs PayPal 2020: A Side by Side Comparison
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Square and Opalstack. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


If your business needs to process payments in person, Square has handy point-of-sale features like a contactless chip reader, magstripe reader, and convertible stand. All these components let you take payments...
If your business mainly processes card payments in-person in a retail setting, needs a few basic business tools like inventory tracking and sales reports, and is looking for something that seamlessly integrates with...
Square is another big name in retail payments and for a good reason. The easy-to-use platform lets you accept payments online or in-store. There are also useful available features such as invoices, contactless...
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Recommendations tracked on public social media and blogs since March 2021.


This is an advertisement and I want to provide all the details.. I am a software developer and avid traveler. I own this website and am the sole developer who wrote the entire software! This idea came about when I signed up for Global... Source: about 3 years ago
And now with Square it's dirt simple to accept credit card transactions, and the software even integrates into the NFC transceiver in modern iPhones--so even street vendors and local artists accept contactless payment cards. Source: over 3 years ago
Https://squareup.com/us/en - Better with aged account and/or verified business. Do custom amount charges on phone and type in card info manually. Source: over 3 years ago
Tracking Opalstack since Sep 2023.
When comparing Square and Opalstack, you can also consider the following products.

Retail point-of-sale, inventory management, and omnichannel payment processing systems.
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Built to make restaurants better. Toast gives your restaurant the technology you need to succeed in today's fast-paced environment.
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An all-integrated business app suite to unleash your growth potential.
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Heartland Retail (previously Springboard Retail) POS software a robust, user-friendly cloud point of sale solution designed for the business of retail. A complete retail management platform built for growing single, multi and franchise brands.
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ITSCircle POS is a point of sale solution for retail stores.
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Vantiv provides payment strategies and technology solutions for financial institutions and businesses worldwide.
Compare Vantiv to Square or Opalstack: