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DusuPay vs Fattmerchant Comparison

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DusuPay

2.5(26 reviews)

Starting at Contact for pricing

  • Large Enterprises
  • Medium Business

Dusupay.com is a payment processing software system that lets users process credit card transactions. The system is easy to use, secure, transaction-based pricing and online entity establishment for merchants. It payment…

Fattmerchant

3.9(122 reviews)

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…

Fattmerchant leads on user satisfaction with a 3.9-star rating across 122 reviews.

DusuPay vs Fattmerchant — at a glance

FeatureDusuPayFattmerchant
Rating2.5 / 53.9 / 5
Reviews26122
Starting priceContact for pricing$49 /Month
Free trial No No
Free version No No
Best forLarge Enterprises, Medium Business, Small BusinessLarge Enterprises, Medium Business, Small Business
CategoryPayment Processing SoftwarePayment Processing Software
PlatformsSaaS/Web/CloudSaaS/Web/Cloud, Mobile - Android, Mobile - iOS
APIAvailableAvailable
Support modesBusiness Hours, Online24/7 (Live rep), Online
CertificationsSOC 2SOC 2, GDPR
Data residencyGlobalUS

Key differences between DusuPay and Fattmerchant

  • Pricing: Fattmerchant starts at $49 /Month. DusuPay pricing is not publicly listed.
  • User satisfaction: Fattmerchant scores higher with a 3.9-star average.
  • Deployment: DusuPay supports SaaS/Web/Cloud; Fattmerchant supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS.

DusuPay vs Fattmerchant — find the better fit before you commit.

01

Which tool fits your team best

02

Which is actually cheaper for your team size

03

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.

DusuPay - Payment Processing Software
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Fattmerchant - Payment Processing Software
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DusuPay vs Fattmerchant: Biggest differences

Start here before you go deeper into features.

DusuPay

Best for

Large Enterprises, Medium Business, Small Business

Fattmerchant

Best for

Large Enterprises, Medium Business, Small Business

DusuPay 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

Dusupay.com is a payment processing software system that lets users process credit card transactions. The system is easy to use, secure, transaction-based pricing and online entity ... Read More about DusuPay

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

Entry Level Pricing

  • Not Available
  • Starts from $49

Free Trial Availability

  • No free trial
  • No free trial

User Ratings

Based on verified Spotsaas reviews

2.48

(26)

3.92

(122)
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Software Demo

Demo

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How do DusuPay and Fattmerchant Compare on Features?

Total Features

6 Features

8 Features

Unique Features

No unique features

No unique features

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Compare DusuPay 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.

Pricing Option

      Starting From

      • Not Available
      • $49

      Pricing Plans

      • Not Available
      • Not Available

      Pricing Page

      DusuPay pricing
      Fattmerchant pricing

      DusuPay vs Fattmerchant: Other Details

      Organization Types supported

      • Individuals
      • Freelancers
      • Large Enterprises
      • Medium Business
      • Small Business
      • Individuals
      • Freelancers
      • Large Enterprises
      • Medium Business
      • Small Business

      Platforms Supported

      • Browser Based (Cloud)
      • Mobile - Android
      • Mobile - iOS
      • Installed - Windows
      • Installed - Mac
      • Browser Based (Cloud)
      • Browser Based (Cloud)
      • Mobile - Android
      • Mobile - iOS
      • Installed - Windows
      • Installed - Mac
      • Browser Based (Cloud)

      Modes of support

      • 24/7 (Live rep)
      • Business Hours
      • Online
      • 24/7 (Live rep)
      • Business Hours
      • Online

      API Support

      • Available
      • Available
      Get help choosing
      Get help choosing

      DusuPay vs Fattmerchant Security & Compliance

      Certifications, data handling, and security controls for IT and compliance evaluators.

      SOC 2

      ✓ Yes
      ✓ Yes

      HIPAA

      ✗ No
      ✗ No

      GDPR

      ✓ Yes

      Data Encryption

      ✓ Yes

      Data Residency

      🌐 Global
      🇺🇸 US

      DusuPay User Reviews & Rating Comparison

      User Ratings

      Rating Distribution

      8

      0

      3

      1

      14

      145

      3

      1

      6

      28

      Spotsaas Editor’s POV generated by AI

      Buyer sentiment

      Buyer sentiment is cautious across 26 reviews, with several recurring concerns in feedback.

      What buyers like

      • Easy to use
      • Secure transactions
      • Card verification options

      Common complaints

      • Limited features for large businesses
      • May not support all currencies
      • Less known in the market

      Buyer sentiment

      Buyer sentiment is mixed to positive across 183 reviews, with clear strengths and a few common watchouts.

      What buyers like

      • All-in-one payment solution
      • Easy merchant account setup
      • Transparent pricing model

      Common complaints

      • Limited international support
      • Higher fees for small transactions
      • Less customizable features

      Pros and Cons

      • User-friendly design makes it accessible for all.

      • Transaction-based pricing is cost-effective for users.

      • Card verification options enhance security against fraud.

      • Limited features for larger enterprises.

      • Currency support may be restricted.

      • Offers a comprehensive suite of services for businesses.

      • Transparent pricing helps businesses manage costs effectively.

      • Strong customer support enhances user experience.

      • May not be suitable for high-volume international transactions.

      • Fees can accumulate for smaller transactions.

      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

      Used DusuPay or Fattmerchant? Tell buyers what actually differs.

      Media and Screenshots

      Videos

      video-0

      3 Videos

      video-0

      3 Videos

      Top Alternatives to DusuPay and Fattmerchant in 2026

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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, DusuPay or Fattmerchant?
      Fattmerchant edges out the other on user ratings (3.9 vs 2.5). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
      Do DusuPay and Fattmerchant offer a free trial?
      Neither DusuPay nor Fattmerchant currently lists a free trial.
      What is the starting price of DusuPay vs Fattmerchant?
      DusuPay starts at Contact for pricing. Fattmerchant starts at $49 /Month.
      What are the top alternatives to DusuPay?
      Top alternatives to DusuPay include Four, Payfirma, Merchant One, LexisNexis Payment Solutions, Laybuy.
      What are the top alternatives to Fattmerchant?
      Top alternatives to Fattmerchant include Merchant One, Heartland Payment Processing, Shift4 Payments, Global Payments, PaymentSpring.