Fattmerchant vs Nuvei Comparison
Fattmerchant
Starting at $49 /Month
- Large Enterprises
- Medium Business
Fattmerchant, now branded as Stax, is a payment processing platform for small and mid-sized US businesses that charges a flat monthly subscription plus interchange cost rather than a per-transaction markup, which lowers…
Nuvei
Starting at Contact for pricing
- Large Enterprises
- Medium Business
Nuvei is a cloud-based SaaS payment processing system for business that combines the power and flexibility of API-based transaction processing with the simplicity of traditional online Point-of-Sale (POS) systems. In add…
Nuvei leads on user satisfaction with a 4.3-star rating across 154 reviews.
Fattmerchant vs Nuvei — at a glance
| Feature | Fattmerchant | Nuvei |
|---|---|---|
| Rating | 3.9 / 5 | 4.3 / 5 |
| Reviews | 122 | 154 |
| Starting price | $49 /Month | Contact for pricing |
| Free trial | No | No |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Large Enterprises, Medium Business, Small Business |
| Category | Payment Processing Software | Payment Processing Software |
| Platforms | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS | SaaS/Web/Cloud |
| API | Available | — |
| Support modes | 24/7 (Live rep), Online | 24/7 (Live rep), Business Hours, Online |
| Certifications | SOC 2, GDPR | SOC 2 |
| Data residency | US | Global |
Key differences between Fattmerchant and Nuvei
- Pricing: Fattmerchant starts at $49 /Month. Nuvei pricing is not publicly listed.
- User satisfaction: Nuvei scores higher with a 4.3-star average.
- Deployment: Fattmerchant supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS; Nuvei supports SaaS/Web/Cloud.
Fattmerchant vs Nuvei — 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 Processing 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
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Fattmerchant vs Nuvei: Biggest differences
Start here before you go deeper into features.
Large Enterprises, Medium Business, Small Business
Large Enterprises, Medium Business, Small Business
Fattmerchant typically suits Large Enterprises and Medium Business. Nuvei 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 | Fattmerchant, now branded as Stax, is a payment processing platform for small and mid-sized US businesses that charges a flat monthly subscription plus interchange cost rather than a ... Read More about Fattmerchant | Nuvei is a cloud-based SaaS payment processing system for business that combines the power and flexibility of API-based transaction processing with the simplicity of traditional online ... Read More about Nuvei |
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Entry Level Pricing |
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User RatingsBased on verified Spotsaas reviews | ||
Get pricing help | Get pricing help |
Software Demo
Demo |
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How do Fattmerchant and Nuvei Compare on Features?
Total Features | 8 Features | 8 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Fattmerchant and Nuvei 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.
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Pricing Page |  | Pricing information not available |
Fattmerchant vs Nuvei: 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 |
Fattmerchant vs Nuvei Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | ✓ Yes | ✓ Yes |
|---|---|---|
HIPAA | ✗ No | ✗ No |
GDPR | ✓ Yes | — |
Single Sign-On (SSO) | — | ✓ Yes |
Multi-Factor Auth (MFA) | — | ✓ Yes |
Data Encryption | ✓ Yes | ✓ Yes |
Audit Logs | — | ✓ Yes |
Data Residency | 🇺🇸 US | 🌐 Global |
Fattmerchant User Reviews & Rating Comparison
User Ratings | ||
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Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Buyer sentiment is mixed to positive across 183 reviews, with clear strengths and a few common watchouts. What buyers like
Common complaints
| Buyer sentiment Buyer sentiment is positive across 164 reviews, with strong overall satisfaction. 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 |
| Negative Reviews | No reviews available for the product | No reviews available for the product |
Media and Screenshots
Screenshots | No screenshots available. |  6 Screenshots |
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Videos |  3 Videos |  2 Videos |
Top Alternatives to Fattmerchant and Nuvei in 2026
Alternatives |
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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, Fattmerchant or Nuvei?
- Nuvei edges out the other on user ratings (4.3 vs 3.9). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Fattmerchant and Nuvei offer a free trial?
- Neither Fattmerchant nor Nuvei currently lists a free trial.
- What is the starting price of Fattmerchant vs Nuvei?
- Fattmerchant starts at $49 /Month. Nuvei starts at Contact for pricing.
- What are the top alternatives to Fattmerchant?
- Top alternatives to Fattmerchant include BluePay, WePay, Global Payments, Merchant One, PayAnywhere.
- What are the top alternatives to Nuvei?
- Top alternatives to Nuvei include Stripe Payments, Square Payments, Checkout.com, PayAnywhere, Paymill.