Cardknox vs Authorize.Net Comparison
Cardknox
Starting at Contact for pricing
- Freelancers / Consultants
- Medium Business
Cardknox, the easy-to-use, fast and secure way of accepting card payments on your website. Cardknox is a full payment gateway solution including hardware terminals for merchants, a payment processing API for developers a…
Authorize.Net
Starting at $25 /Month
- Large Enterprises
- Medium Business
Authorize.Net is a payment gateway service provider that enables your business to accept secure credit card and electronic check payments. Authorization.Net provides you with a software developer's kit so you can customi…
Cardknox leads on user satisfaction with a 4.7-star rating across 24 reviews.
Cardknox vs Authorize.Net — at a glance
| Feature | Cardknox | Authorize.Net |
|---|---|---|
| Rating | 4.7 / 5 | 3.7 / 5 |
| Reviews | 24 | 399 |
| Starting price | Contact for pricing | $25 /Month |
| Free trial | No | No |
| Free version | No | No |
| Best for | Freelancers / Consultants, Medium Business, Small Business | Large Enterprises, Medium Business, Small Business |
| Category | Payment Gateway Software | Payment Gateway Software |
| Platforms | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS |
| API | Available | Available |
| Support modes | Online | 24/7 (Live rep), Online |
| Certifications | SOC 2, GDPR | SOC 2, GDPR, ISO 27001 |
| Data residency | Global | US |
Key differences between Cardknox and Authorize.Net
- Pricing: Authorize.Net starts at $25 /Month. Cardknox pricing is not publicly listed.
- Target audience: Cardknox is built for Freelancers / Consultants and Medium Business, while Authorize.Net targets Large Enterprises and Medium Business.
- User satisfaction: Cardknox scores higher with a 4.7-star average.
- Deployment: Cardknox supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS; Authorize.Net supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS.
Cardknox vs Authorize.Net — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Payment Gateway Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Biggest differences
Start here before you go deeper into features.
Freelancers / Consultants, Medium Business, Small Business
Best for customizable, secure payment processing in small to medium businesses.
- You need a payment gateway with a developer kit for custom checkout flows.
- Your business requires reliable and secure credit card transaction processing.
- You want strong customer support and seamless integration with existing software.
- You are a new user seeking a simple, out-of-the-box payment solution.
- You require extensive third-party app marketplace integrations and connectors.
Cardknox typically suits Freelancers / Consultants and Medium Business. Authorize.Net tends to fit Large Enterprises and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | Cardknox, the easy-to-use, fast and secure way of accepting card payments on your website. Cardknox is a full payment gateway solution including hardware terminals for merchants, a payment ... Read More about Cardknox | Authorize.Net is a payment gateway service provider that enables your business to accept secure credit card and electronic check payments. Authorization.Net provides you with a software ... Read More about Authorize.Net |
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Entry Level Pricing |
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Free Trial Availability |
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Spotsaas ScoreWhat's this? ↗ | 8.1/10 | 9.3/10 |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | — | Small BusinessMedium Business |
Get pricing help | Get pricing help |
Software Demo
Demo |
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How do Cardknox and Authorize.Net Compare on Features?
Total Features | 3 Features | 8 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Cardknox and Authorize.Net on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
Pricing Option | ||
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Starting From |
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Pricing Plans |
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Pricing Page | Pricing information not available | ![]() |
Other Details
Organization Types supported |
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Platforms Supported |
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Modes of support |
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API Support |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | ✓ Yes | ✓ Yes |
|---|---|---|
HIPAA | ✗ No | ✗ No |
GDPR | ✓ Yes | ✓ Yes |
ISO 27001 | — | ✓ Yes |
Multi-Factor Auth (MFA) | — | ✓ Yes |
Data Encryption | ✓ Yes | ✓ Yes |
Audit Logs | — | ✓ Yes |
Data Residency | 🌐 Global | 🇺🇸 US |
Cardknox User Reviews & Rating Comparison
User Ratings | ||
|---|---|---|
Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Buyer sentiment is very strong across 1 reviews, with consistently positive feedback. What buyers like
Common complaints
| Buyer sentiment Users generally find Authorize.Net reliable and easy to use with strong customer support, though some struggle with its complexity and limited integration options. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
Media and Screenshots
Screenshots | ![]() 2 Screenshots | No screenshots available. |
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Videos | ![]() 3 Videos | ![]() 3 Videos |
Top Alternatives to Cardknox and Authorize.Net in 2026
Alternatives |
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Related Blogs and Articles for Payment Gateway Software
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Cardknox or Authorize.Net?
- Cardknox edges out the other on user ratings (4.7 vs 3.7). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Cardknox and Authorize.Net offer a free trial?
- Neither Cardknox nor Authorize.Net currently lists a free trial.
- What is the starting price of Cardknox vs Authorize.Net?
- Cardknox starts at Contact for pricing. Authorize.Net starts at $25 /Month.
- What are the top alternatives to Cardknox?
- Top alternatives to Cardknox include Stripe Payments, PaymentSpring, Authorize.Net, EBS, Stripe Connect.
- What are the top alternatives to Authorize.Net?
- Top alternatives to Authorize.Net include Stripe Payments, QuickBooks Payments, PayorCRM, UniPay Gateway, NETELLER.










