Adyen vs Helcim: Payment Processors Comparison (2026)

Adyen offers a pay-per-transaction model with global coverage and transparent Interchange++ pricing, supporting multiple payment methods through a single integration. Helcim provides a free tier, volume-based discounts, and an Interchange plus pricing model without contracts or monthly fees, alongside a suite of business integrations.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask payment processors questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Adyen leads overall50% cited vs Helcim 37% across 60 probes.
ChatGPT
AdyenLeads
4 / 6 probes
67%
Excellent
Helcim
2 / 6 probes
33%
Good
Perplexity
Adyen
3 / 6 probes
50%
Excellent
Helcim
3 / 6 probes
50%
Excellent
Gemini
Adyen
1 / 6 probes
17%
Average
HelcimLeads
3 / 6 probes
50%
Excellent
Claude
AdyenLeads
4 / 6 probes
67%
Excellent
Helcim
2 / 6 probes
33%
Good
Copilot
AdyenLeads
3 / 6 probes
50%
Excellent
Helcim
1 / 6 probes
17%
Average
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Adyen
Starting price
$0.13 + fee determined by payment method
Free tier
adyen.com
Helcim
Starting price
Free tier
Yes
helcim.com

Key Features

Adyen
  • No setup fee or monthly fees
  • One integration for all payment methods
  • Flexible payouts in multiple currencies
  • Transparency in pricing with Interchange++
Helcim
  • Transparent pricing without hidden fees
  • Lower rates based on monthly volume
  • Interchange plus pricing model
  • No contracts or monthly fees

When to choose Adyen

Adyen is suitable for businesses that prioritize global coverage, a wide range of payment methods, and a clear Interchange++ pricing model with per-transaction fees and no setup or monthly fees.

When to choose Helcim

Helcim is suitable for businesses that benefit from a free tier, volume-based discounts on processing, transparent Interchange plus pricing, and a range of integrated business tools like accounting, online invoicing, and POS without contracts or monthly fees.

Frequently Asked Questions

What are the key pricing model differences between Adyen and Helcim?
Adyen uses an Interchange++ pricing model with a starting price of $0.13 plus a fee determined by the payment method, operating on a pay-per-transaction basis with no setup or monthly fees. Helcim uses an Interchange plus pricing model with no contracts or monthly fees, offering lower rates based on monthly volume and a free tier.
What are the main integration and feature differences between Adyen and Helcim?
Adyen offers one integration for all payment methods and flexible payouts in multiple currencies. Helcim provides a suite of integrations including Accounting Integrations, Virtual Terminal, Online Invoicing, Payment Pages, Recurring Payments, APIs & Developer Tools, Point-of-Sale, and Online Checkout.
What are the advantages of using Adyen?
Adyen's advantages include a pay-per-transaction basis, support for multiple payment methods, global coverage, and a transparent Interchange++ pricing model.
What are the advantages of using Helcim?
Helcim's advantages include no monthly fees or contracts, a transparent fee structure, support for ACH payments, and volume discounts.
What are the potential drawbacks of Adyen?
Adyen's drawbacks include fees that depend on the payment method, a complex pricing structure, no clear free tier, and pricing that may vary by region.

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