E-Commerce · head to head
Square vs Stampli
The short version
- Only Square has a free tier, so it costs nothing to try first.
- Each has a real cost: Square plus plan pricing not specified in documentation; Stampli no transparent pricing published; quote-based model required
- They diverge on capability: Square covers Point of sale, Stampli covers AI invoice processing.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Square and Stampli actually diverge.
Identical on both: user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Square
- Point of sale
- Invoicing
- Payroll
- Banking
- WooCommerce
- Wix
- PCI DSS
- EMV compliant
Only in Stampli
- AI invoice processing
- Approval workflows
- Vendor management
- Audit trails
- NetSuite
- Sage Intacct
- Microsoft Dynamics
- Oracle
Both cover
- Payment processing
- QuickBooks
- Web support
- Ios support
- Android support
What people use each for
The jobs each tool is most often brought in to do.
Square
- Accept payments with all-in-one POS applicationnot Stampli
- Online ordering and basic website creationnot Stampli
- Invoicing and appointment bookingnot Stampli
- Staff scheduling and loyalty programmesnot Stampli
Stampli
- Accounts payable automationnot Square
- Invoice processing and capturenot Square
- Vendor managementnot Square
- Expense management and procurementnot Square
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Square
- Plus plan pricing not specified in documentation
- Processing fees differ by tier but exact rates not detailed
- Free plan pricing mentioned but specific features for Plus unclear
- Text marketing charged at 3¢ per message after first 500 included
Stampli
- No transparent pricing published; quote-based model required
- Specific pricing for individual modules or add-ons not available on pricing page
- Cost varies based on invoice volume, complexity, and customization needs
Pricing, plan by plan
Square
Free- FreeFree
- Accept payments with all-in-one POS app
- Online site builder (ordering profiles, basic websites, online stores, booking sites)
- Item library and inventory tracking
- Plus$null/mo
- All Free plan features
- Advanced POS features for food, retail, and appointments
- Lower processing fees on card transactions
Stampli
$29/month- Essential$undefined/month
- Invoice processing
- Basic approvals
- Email notifications
- Professional$undefined/month
- AI-powered coding
- Advanced workflows
- ERP integrations
- Enterprise$undefined/month
- Custom workflows
- API access
- Dedicated support
Which should you pick?
Choose Square if
- You need point of sale.
- You want to start without paying.
- You work on POS (Mobile app), Web.
- You also want invoicing.
Choose Stampli if
- You need ai invoice processing.
- You work on Web, Ios, Android.
- You also want approval workflows.
Questions people ask
- Is Square or Stampli better?
- Neither clearly leads. Square starts at Free and Stampli at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Square or Stampli?
- Square has a free tier; the other does not. Paid plans start at Free for Square and $29/month for Stampli.
- Does Square or Stampli run on more platforms?
- Square runs on POS (Mobile app), Web. Stampli runs on Web, Ios, Android.
- Can I use Square for free?
- Yes. Square has a free tier, so you can try it without paying. Stampli starts at $29/month.
- What is Square best used for?
- Square is most often used for accept payments with all-in-one pos application, online ordering and basic website creation, invoicing and appointment booking, staff scheduling and loyalty programmes. Of those, accept payments with all-in-one pos application and online ordering and basic website creation are not what Stampli is typically brought in for.
- What can Square do that Stampli cannot?
- Square covers Point of sale, Invoicing, Payroll, Banking. Stampli covers AI invoice processing, Approval workflows, Vendor management, Audit trails. Both handle Payment processing, QuickBooks, Web support, Ios support.
Answered from the vendors’ own pages
Square: Does Square offer a free plan?
Yes, Square's free plan includes an all-in-one POS app, online site builder, item library and inventory tracking, invoicing, appointment scheduling, staff calendars, and checking and savings account access. No subscription fees are charged.
SourceStampli: What does Stampli cost?
Stampli does not publish fixed pricing. The company uses a custom quote-based model. Visitors are directed to 'Request a Quote' and meet with an AP expert to discuss pricing based on their specific invoice volume and requirements.
SourceSquare: What does Square Plus add compared to the free plan?
Square Plus adds advanced POS features for food and retail, lower processing fees on card transactions, custom loyalty programs, unlimited email marketing campaigns, text messaging, and staff scheduling and attendance tracking.
SourceStampli: What is included in Stampli's standard offering?
Stampli's core accounts payable solution includes unlimited invoice capture, entities/locations, vendors, and PO matching; automated processing via Stampli Cognitive AI; 12 pre-built reports; interactive dashboards; a dedicated Customer Success Manager; and support with under 90-second response time.
SourceStampli: How long does it take to implement Stampli?
Stampli uses a 'fulfillment-first' implementation approach and deploys in weeks versus competitors requiring months or longer.
SourceStampli: What add-on modules are available with Stampli?
Optional modules include Procurement, Direct Pay functionality, credit card programs, advanced vendor management, and expense management. Pricing for add-ons requires requesting a custom quote.
SourceRelated pages
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- Square vs Invoicera
- Square vs Lago
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- Stampli vs Stripe
- Stampli vs KORONA POS
- Stampli vs Heartland Retail
- Stampli vs Shopkeep
- Stampli vs Toast
- Stampli vs BigCommerce
- Stampli vs Medusa
- Stampli vs Retail Pro
- Stampli vs Magento
- Stampli vs Squarespace Commerce
- Stampli vs AliExpress
- Stampli vs commercetools
- Stampli vs Depop
- Stampli vs Mercari
- Stampli vs Poshmark
- Stampli vs Shein
- Stampli vs Temu
- Stampli vs Basware
- Stampli vs Yooz
- Stampli vs Ottimate
- Stampli vs Tipalti
- Stampli vs Ramp
- Stampli vs Airbase
- Stampli vs Melio
- Stampli vs QuickBooks
- Stampli vs Medius Expense
- Stampli vs Plaid
- Stampli vs Wise Business
- Stampli vs Brex
- Stampli vs Invoice2go
- Stampli vs Invoicely
- Stampli vs Invoicera
- Stampli vs Lago
- Stampli vs Metronome
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