How we rate Card terminals

Our rating is based on a transparent 100-point system. Every card terminal is assessed in 5 categories against objective criteria. Here you can see exactly how our ratings come about.

Magnifying glass over a card terminal Magnifying glass over a card terminal

Points breakdown at a glance

Our 100-point system weights the factors that matter most to merchants and service providers when choosing a card terminal. Costs and fees carry the most weight because they directly affect the margin.

CategoryMax. pointsShare
Costs & fees2828%
Payment methods & acceptance2424%
Hardware & ease of use2020%
Software & integrations1616%
Support & contract terms1212%
Total100100%

28 points Costs & fees

The most important factor for merchants – every percentage point counts:

  • Transaction fees (10 pts): Percentage per card payment (EC/girocard, Visa, Mastercard, Amex)
  • Basic fees (8 pts): Monthly fixed costs, rental vs. purchase price
  • Hidden costs (5 pts): Minimum fees, cancellation fees, PCI compliance fees
  • Payout terms (5 pts): Payout time (1–3 days), payout fees

24 points Payment methods & acceptance

Which payment methods are supported:

  • Card acceptance (8 pts): girocard/EC, Visa, Mastercard, Amex, Diners Club, UnionPay
  • Contactless (6 pts): NFC/tap to pay, Apple Pay, Google Pay, Samsung Pay
  • Alternative methods (5 pts): QR codes, Alipay, WeChat Pay, PayPal QR
  • E-commerce options (5 pts): Payment links, online payments, virtual terminals

20 points Hardware & ease of use

Quality and handling of the physical device:

  • Device quality (6 pts): Build quality, display, battery life, robustness
  • Connectivity (5 pts): Wi-Fi, 4G/LTE, Bluetooth, Ethernet
  • Ease of use (5 pts): Setup, learning curve, transaction speed
  • Mobility (4 pts): Portability, size/weight, outdoor suitability

16 points Software & integrations

The terminal's digital integration:

  • Dashboard & analytics (5 pts): Sales overview, transaction history, export functions
  • POS system integration (5 pts): POS connection, iZettle/Square compatibility, API
  • Accounting (3 pts): DATEV export, lexoffice, sevDesk integration
  • Multi-terminal (3 pts): Multiple terminals, branch management, user rights

12 points Support & contract terms

Customer service and contract transparency:

  • Support (5 pts): Availability, language, response time, channels (phone/chat/email)
  • Contract (4 pts): Minimum term, notice period, trial period
  • Security (3 pts): PCI DSS level, data encryption, GDPR compliance

Grading scale

PointsGradeRating
90–1001,0–1,5Very good
80–891,6–2,5Good
70–792,6–3,5Satisfactory
60–693,6–4,5Adequate
<604,6–5,0Poor