Payfirma vs Fattmerchant Comparison
Payfirma
Starting at Contact for pricing
- Large Enterprises
- Medium Business
Payfirma's payment processing software empowers businesses of all sizes to accept payments quickly, securely and cost-effectively from anyone, anywhere. Payfirma allows you to make your business available 24/7, from virt…
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…
Payfirma leads on user satisfaction with a 4.8-star rating across 2 reviews.
Payfirma vs Fattmerchant — at a glance
| Feature | Payfirma | Fattmerchant |
|---|---|---|
| Rating | 4.8 / 5 | 3.9 / 5 |
| Reviews | 2 | 122 |
| Starting price | Contact for pricing | $49 /Month |
| 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, Mobile - Android, Mobile - iOS |
| API | Available | Available |
| Support modes | Online | 24/7 (Live rep), Online |
| Certifications | — | SOC 2, GDPR |
| Data residency | Global | US |
Key differences between Payfirma and Fattmerchant
- Pricing: Fattmerchant starts at $49 /Month. Payfirma pricing is not publicly listed.
- User satisfaction: Payfirma scores higher with a 4.8-star average.
- Deployment: Payfirma supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS; Fattmerchant supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS.
Payfirma vs Fattmerchant — 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
Other options
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Payfirma vs Fattmerchant: Biggest differences
Start here before you go deeper into features.
Large Enterprises, Medium Business, Small Business
Large Enterprises, Medium Business, Small Business
Payfirma typically suits Large Enterprises and Medium Business. Fattmerchant 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 | Payfirma's payment processing software empowers businesses of all sizes to accept payments quickly, securely and cost-effectively from anyone, anywhere. Payfirma allows you to make your ... Read More about Payfirma | 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 |
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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 Payfirma and Fattmerchant Compare on Features?
Total Features | 6 Features | 8 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Payfirma and Fattmerchant 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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Payfirma vs Fattmerchant: Other Details
Organization Types supported |
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Platforms Supported |
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API Support |
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Get help choosing | Get help choosing |
Payfirma vs Fattmerchant Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | — | ✓ Yes |
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HIPAA | ✗ No | ✗ No |
GDPR | — | ✓ Yes |
Data Encryption | ✓ Yes | ✓ Yes |
Data Residency | 🌐 Global | 🇺🇸 US |
Payfirma User Reviews & Rating Comparison
User Ratings | ||
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Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Buyer sentiment is very strong across 2 reviews, with consistently positive feedback. What buyers like
Common complaints
| Buyer sentiment Buyer sentiment is mixed to positive across 183 reviews, with clear strengths and a few common watchouts. 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
Videos |  3 Videos |  3 Videos |
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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, Payfirma or Fattmerchant?
- Payfirma edges out the other on user ratings (4.8 vs 3.9). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Payfirma and Fattmerchant offer a free trial?
- Neither Payfirma nor Fattmerchant currently lists a free trial.
- What is the starting price of Payfirma vs Fattmerchant?
- Payfirma starts at Contact for pricing. Fattmerchant starts at $49 /Month.
- What are the top alternatives to Payfirma?
- Top alternatives to Payfirma include Braintree Direct, Swipesum, DusuPay, Merchant One, Blackthorn Payments.
- What are the top alternatives to Fattmerchant?
- Top alternatives to Fattmerchant include Merchant One, Heartland Payment Processing, Shift4 Payments, Global Payments, PaymentSpring.