Top 9 Square App Marketplace Competitors & Alternatives in 2026

Updated on 12/21/2025

Find more companies/brands/products like Square App Marketplace. We've shortlisted leading alternatives and mapped their strengths, pricing, and go-to-market focus.

Square App Marketplace

Best for SMBs

The Square App Marketplace is Square’s directory of third‑party apps and integrations that connect with Square accounts and Point of Sale to extend seller workflows.

Owned by Block

Competitors

#1

Shopify

Best for SMBs
Est. 2006 • 1k+ employees • Public (NYSE:SHOP)

Shopify is a commerce platform that enables merchants to build and run online and omnichannel stores, with SaaS plans, payments, and app ecosystem.

Starts at $29 / month

Has a free trial
#2

Stripe

Best for mid-market companies

Payment processing platform that helps businesses accept online payments and handle compliance and KYC through integrations.
#3

PayPal

Best for enterprises

Global online payments platform that provides merchant accounts, buyer/seller protections, and compliance tools for legitimate transactions.

Owned by PayPal Holdings, Inc. Owns Venmo
#4

Clover

Clover is a cloud-based all‑in‑one point-of-sale (POS) and payment processing platform for small and medium businesses, offering POS hardware, software subscriptions, payment processing, and an app marketplace.

Starts at $0 / monthly
#5

Toast, Inc.

Toast, Inc. is a U.S.-based provider of cloud-based point-of-sale, payments, and restaurant management software (POS, online ordering, KDS, payroll, loyalty, and related services) for restaurants and hospitality businesses.

Starts at $69 / per month / monthly
ChampSignal

Best for SMBs
Est. 2025 • 1 employee • Private

Get the insights your competitors don't want you to have. ChampSignal discovers, monitors, and analyzes your competitors. Like having a full-time competitive intelligence analyst.

Starts at $39 / month

Has a free trial

Generate My Report
#6

Lightspeed Commerce

Lightspeed Commerce is a Montreal-based provider of cloud point-of-sale, e‑commerce, and payments software for retail, restaurant, and hospitality businesses worldwide.

Starts at $89 / per month (1 register included) / monthly
#7

SumUp

Best for SMBs
Est. 2012 • 1k+ employees • Private

SumUp is a London-based fintech that provides card readers, point-of-sale systems, payment processing, and business tools for small merchants worldwide.
#8

SpotOn

Best for SMBs
Est. 2017 • 1k+ employees • Private

SpotOn is a US-based software and payments company that provides point-of-sale systems and integrated business management tools for restaurants and other small and midsize businesses.

Starts at $0 / month
#9

Adyen

Adyen is a global payments platform that provides end-to-end payment processing, acquiring, risk management, issuing, and financial operations for enterprises, platforms and omnichannel merchants.

Market overlap

Asymmetric competition means that Square App Marketplace is a competitor of these companies, but they are not necessarily competitors of Square App Marketplace.

Be-Pass

Be-Pass is an AI-powered business management platform that provides booking, scheduling, invoicing, and client management with automation that learns your workflow.

Starts at $0 / other
Zavo

Best for SMBs
Est. 2022 • 2-10 employees • Private

UK-based fintech that provides low-cost card payments, POS hardware and software, instant payouts, merchant cash advances, and business accounts for small businesses.

Starts at $0 / month
ChampSignal

Best for SMBs
Est. 2025 • 1 employee • Private

Get the insights your competitors don't want you to have. ChampSignal discovers, monitors, and analyzes your competitors. Like having a full-time competitive intelligence analyst.

Starts at $39 / month

Has a free trial

Generate My Report
Shopify App Store

Best for SMBs

The Shopify App Store is Shopify’s official marketplace where merchants discover, install, and manage third‑party apps that extend store functionality (marketing, fulfillment, analytics, etc.).
Fiserv

Best for enterprises
Est. 1984 • 1k+ employees • Public (NYSE:FI)

Fiserv is a global financial technology company that provides payments, processing, digital banking, and merchant solutions to financial institutions, merchants, and enterprises.