The verdict
Helcim takes it, 2–1 on rounds.
On the published figures and the independent review sites, Helcim takes 2 of 6 rounds. Treat that as a starting point and check the current figures on both pages, because prices and plans move.
Choose Adyen if…
- • You want Adyen's edge on the fixed fee on every sale
Choose Helcim if…
- • You want Helcim's edge on what customers say on trustpilot and how fast your money reaches the bank
Round by round
- Round 1The fixed fee on every saleAdyen winsHelcim5/10
25 cents
markup on top of interchange for keyed and online sales, base tier
- 25 cents, against 13 cents
Source: helcim.com ↗
Adyen wins this round on what the company itself publishes.
- Round 2What customers say on TrustpilotHelcim winsAdyen5/10
1.3 out of 5
TrustScore from 445 reviews on Trustpilot
- 1.3 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 3What it costs just to have an accountTieAdyen7/10
No monthly fee
no monthly, setup or closure fees, though there is a minimum invoice by industry
Source: adyen.com ↗
Nothing to separate them here.
- Round 4How fast your money reaches the bankHelcim winsAdyen5/10
1-2 days
Standard pay-per-transaction pricing, US Visa/Mastercard (Interchange++; rate shown is Adyen's markup)
- 1-2 days, against Next business morning (free)
Source: adyen.com ↗
Helcim8/10Next 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 ↗
Helcim wins this round on what the published sources say.
- Round 5Charging customers on a scheduleTieAdyen7/10
Yes (tokenization)
Standard pay-per-transaction pricing, US Visa/Mastercard (Interchange++; rate shown is Adyen's markup)
Source: docs.adyen.com ↗
Helcim7/10Yes (Recurring Payments)
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 6Card readers for selling in personTieAdyen7/10
Yes (Adyen terminals)
Standard pay-per-transaction pricing, US Visa/Mastercard (Interchange++; rate shown is Adyen's markup)
Source: adyen.com ↗
Helcim7/10Yes (Smart Terminal, Card Reader)
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.

