The verdict
Helcim takes it, 3–1 on rounds.
On the published figures and the independent review sites, Helcim takes 3 of 6 rounds. Treat that as a starting point and check the current figures on both pages, because prices and plans move.
Choose Square if…
- • You want Square's edge on what a lost chargeback costs
Choose Helcim if…
- • You want Helcim's edge on what customers say on trustpilot and the fixed fee on every sale
Round by round
- Round 1What customers say on TrustpilotHelcim winsSquare5/10
3.7 out of 5
TrustScore from 7,486 reviews on Trustpilot
- 3.7 out of 5, against 4 out of 5
Source: trustpilot.com ↗
Helcim wins this round on independent review-site data, not on its own claims.
- Round 2The fixed fee on every saleHelcim winsSquare5/10
30¢ per online sale
Square Free ($0/mo. per location)
- 30¢ per online sale, against 25¢ (keyed & online)
Source: squareup.com ↗
Helcim8/1025¢ (keyed & online)
Interchange-plus, $0-$50K monthly card volume tier (no plan; rates are Helcim's markup on top of interchange; open the FAQ 'What are Helcim's credit card processing fees?')
Source: helcim.com ↗
Helcim wins this round on what the published sources say.
- Round 3What a lost chargeback costsSquare winsHelcim5/10
$15 if lost ($0 if won)
Interchange-plus, $0-$50K monthly card volume tier (no plan; rates are Helcim's markup on top of interchange; open the FAQ 'What are Helcim's credit card processing fees?')
- $15 if lost ($0 if won), against No chargeback fee
Source: helcim.com ↗
Square wins this round on what the published sources say.
- Round 4Taking bank (ACH) paymentsHelcim winsSquare5/10
1% ($1 min, via invoice)
Square Free ($0/mo. per location)
- 1% ($1 min, via invoice), against 0.5% + 25¢ (capped at $6)
Source: squareup.com ↗
Helcim8/100.5% + 25¢ (capped at $6)
Interchange-plus, $0-$50K monthly card volume tier (no plan; rates are Helcim's markup on top of interchange; open the FAQ 'What are Helcim's credit card processing fees?')
Source: helcim.com ↗
Helcim wins this round on what the published sources say.
- Round 5What it costs just to have an accountTieHelcim7/10
No monthly fee
Interchange-plus, $0-$50K monthly card volume tier (no plan; rates are Helcim's markup on top of interchange; open the FAQ 'What are Helcim's credit card processing fees?')
Source: helcim.com ↗
Nothing to separate them here.
- Round 6How fast your money reaches the bankTieHelcim7/10
Next business morning (free)
Interchange-plus, $0-$50K monthly card volume tier (no plan; rates are Helcim's markup on top of interchange; open the FAQ 'What are Helcim's credit card processing fees?')
Source: helcim.com ↗
Nothing to separate them here.

