Square vs Helcim: fees compared
Helcim has the lower effective rate (2.46% vs 3.50%) on a typical $50.00 sale. Square uses flat rate pricing (2.90% + $0.30); Helcim uses interchange-plus pricing (2.30% + $0.08). Beyond the headline rate, compare international surcharge, chargeback fees, monthly cost and payout speed in the table below. Snapshot June 2026 — processors change pricing; verify on the provider's pricing page before relying on a figure.
Data as of June 2026.
Note: These are general estimates, not a quote or offer. Your real rate depends on your card mix, volume, region, risk profile and the contract you sign.
Square vs Helcim overview
| Factor | Square | Helcim |
|---|---|---|
| Pricing model | Flat rate | Interchange-plus |
| Headline rate | 2.90% + $0.30 | 2.30% + $0.08 |
| Effective @ $50.00 | 3.50% | 2.46% |
| Monthly fee | $0 free plan; Square for Retail/Restaurant plans $0–$89/mo | $0 — no monthly fee, no contract |
| International / cross-border | +1.5% for cards issued outside the US | Interchange + assessments pass through; a small cross-border margin |
| Chargeback fee | $0 (Square absorbs the chargeback fee) | $15.00 (refunded if dispute won) |
| Payout speed | 1–2 business days; instant transfer for 1.75% fee | 1–2 business days |
| Best for | small retail, restaurants and in-person sellers | small and mid-size businesses wanting transparent interchange-plus |
Sources: Block, Inc. pricing · Helcim Inc. pricing.
Effective rate by transaction size
| Transaction size | Square | Helcim | Cheaper |
|---|---|---|---|
| $10.00 | 5.90% | 3.10% | Helcim |
| $50.00 | 3.50% | 2.46% | Helcim |
| $200.00 | 3.05% | 2.34% | Helcim |
Verdict
On a typical $50.00 sale, Helcim has the lower effective rate. But the cheapest processor depends on your average ticket (fixed-fee weight), international card share and volume. Read each one's full breakdown — Square and Helcim — and model your own numbers in the effective-rate calculator.
Frequently asked questions
Is Square or Helcim cheaper?
Helcim has the lower effective rate (2.46% vs 3.50%) on a typical $50.00 sale. Helcim wins on headline effective rate, but factor in international cards, chargebacks and monthly fees. Snapshot June 2026 — processors change pricing; verify on the provider's pricing page before relying on a figure.
Square vs Helcim: what is the difference in pricing model?
Square uses flat rate (2.90% + $0.30); Helcim uses interchange-plus (2.30% + $0.08). Flat rate is simplest for small merchants; interchange-plus and subscription win at higher volume; Merchant-of-Record bundles global tax.
Which should I choose, Square or Helcim?
Square is best for small retail, restaurants and in-person sellers; Helcim is best for small and mid-size businesses wanting transparent interchange-plus. Beyond sticker price, weigh international surcharge, chargeback fees, payout speed and features. These are general estimates, not a quote or offer. Your real rate depends on your card mix, volume, region, risk profile and the contract you sign.
More comparisons
Last updated: 2026-06-29