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Select up to 4 software tools to compare side by side โ€” pricing, features, pros and cons. Find the best fit for your needs with detailed side-by-side comparisons.

Verdict

The best payment processor depends on your sales channel and volume. Stripe is the best choice for online-first businesses that need a developer-friendly API with 135+ currencies and global reach. Square is the best choice for brick-and-mortar businesses that need free POS software and integrated hardware. PayPal is the best choice for businesses that want the fastest setup and benefit from 400M+ consumer trust signals. Helcim is the best choice for businesses processing $10,000+/month that want the lowest possible fees through interchange-plus pricing.

Select tools:
FeatureSquareHelcim
Starting PriceFree ยท From $49/moFree
FreeFreeFree
Plus$49/moFree
Premium$149/moโ€”
Best ForFreelancers, Small BizSmall Biz
RegionsUS, CA, GB, AU, JPUS, CA
PlatformsWeb, Ios, Android, DesktopWeb, Ios, Android
Key Features
  • โ€ขFree POS software with inventory, employee management, customer loyalty, and reporting
  • โ€ขIn-person payments at 2.6% + $0.15 (tap, dip, swipe); online at 3.3% + $0.30
  • โ€ขFree card reader included on signup; full POS hardware available (Terminal, Register)
  • โ€ขSquare Online for e-commerce website building with integrated payments
  • โ€ขInterchange-plus pricing model โ€” pay actual interchange cost + small Helcim markup, not a flat percentage
  • โ€ขNo monthly fees, no setup fees, no early termination fees, no PCI compliance fees
  • โ€ขSubscription billing at 0.4% (vs 0.7% for Stripe Billing)
  • โ€ขIn-person payments via Helcim POS with card reader hardware
Pros
  • +Easiest same-day setup for brick-and-mortar businesses โ€” free card reader ships on signup, no merchant account approval needed
  • +All-in-one POS ecosystem: payments, inventory, staff management, loyalty, and e-commerce in a single dashboard
  • +Free POS software is genuinely capable for most small retail and restaurant operations โ€” no monthly fee for core features
  • +Most transparent pricing model in the industry โ€” interchange-plus means your effective rate drops as your volume grows, unlike flat-rate processors where cost increases linearly with volume
  • +Significantly cheaper than Stripe, Square, or PayPal for businesses processing $10,000+/month โ€” savings of 30-50% on processing fees are common at scale
  • +No contracts or early termination fees โ€” you can leave anytime without penalty, which is rare in the payment processing industry
Cons
  • โˆ’Flat-rate pricing becomes expensive at higher volumes compared to interchange-plus processors like Helcim โ€” businesses processing $10K+/month should compare alternatives
  • โˆ’Online transaction rates (3.3% + $0.30 on Free plan) are among the highest in the category โ€” Stripe charges 2.9% + $0.30 for online payments
  • โˆ’Limited global availability compared to Stripe โ€” Square operates in only 5 countries (US, CA, GB, AU, JP)
  • โˆ’US and Canada only โ€” no global reach for businesses selling internationally or with cross-border payment needs
  • โˆ’Less name recognition than Stripe, Square, or PayPal โ€” may be less familiar to customers and business partners
  • โˆ’Smaller integration ecosystem โ€” fewer native connections to CRMs, accounting platforms, and e-commerce tools compared to the major processors
Integrations7+ integrations6+ integrations
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