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Fattmerchant Alternatives: 10 Options Compared, Including Free (2026)

Explore 10 alternatives to Fattmerchant — vetted by our editors with real user reviews, pricing, and feature comparisons.

10 free Fattmerchant alternatives worth comparing

Quick answer

Among free payment processing software alternatives to Fattmerchant, the leaders are Merchant One, Heartland Payment Processing and Shift4 Payments. Merchant One leads the list with a 4.77★ rating from real users. Compare all 10 on rating and pricing below.

Not every team clicks with Fattmerchant, and that's fine. These 10 payment processing software free alternatives give you real choices on price, features, and usability. We rank them by SpotScore, which combines real-user satisfaction with market presence, then layer in ratings and pricing. Scan the comparison table first, then read the detail for each pick.

ProductSpotScoreRatingPricingBest for
Merchant OneEfficient, secure payment processing for any business.—★★★★★ 4.77(1505)Quotation Basedteams of all sizes
Heartland Payment ProcessingEfficient payment processing for your business.—★★★★★ 4.75(20)Quotation Basedsmall & mid-size businesses
Shift4 PaymentsSecure, affordable, and effortless payment processing.—★★★★☆ 4.49(132)Quotation Basedteams of all sizes
Global PaymentsTransforming payment processing for seamless transactions.—★★★★☆ 4.25(4)Quotation Basedteams of all sizes
PaymentSpringSecure payments made simple.—★★★★★ 4.5(2)Quotation Basedteams of all sizes
PayPal HereEmpowering businesses with secure mobile payments.—★★★☆☆ 2.67(112)Quotation Basedteams of all sizes
ChargezoomEffortless payment processing for your business.—★★★★★ 5(1)Freefrom $20/moteams of all sizes
Przelewy24Effortless payment processing for modern businesses.—★★★★★ 4.5(1)Quotation Basedteams of all sizes
CardConnectStreamline your payments and grow your business.—★★★☆☆ 2.63(29)Quotation Basedteams of all sizes
Braintree DirectStreamline payments with ease and confidence.—★★★★☆ 4.04(90)from $0.30small & mid-size businesses
Merchant One - Payment Processing Software

Merchant One

Efficient, secure payment processing for any business.

Best for: SMB teams · Mid-market · Enterprise

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4.8

1505 verified reviews

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What is Merchant One?

Merchant One Payment Processing Software is the easiest cloud-based solution on the market today. Merchant One fuses together the ease of a POS system with powerful processing and shopping cart functionality. It is one payment processing software allows you to quickly and easily setup and ...

Read more about Merchant One

Merchant One offers custom pricing plan

Heartland Payment Processing - Payment Processing Software

Heartland Payment Processing

Efficient payment processing for your business.

Best for: SMB teams · Mid-market

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4.8

20 verified reviews

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What is Heartland Payment Processing?

Heartland Payment Processing software was designed with convenience in mind. A "point of sale payment processing" system, it offers the ability to run a business without having to purchase bulky expensive equipment or hire a pricey staff. The software's date and time stamp can record customer ...

Read more about Heartland Payment Processing

Heartland Payment Processing offers custom pricing plan

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Shift4 Payments - Payment Processing Software

Shift4 Payments

Secure, affordable, and effortless payment processing.

Best for: SMB teams · Mid-market · Enterprise

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4.5

132 verified reviews

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What is Shift4 Payments?

Shift4 Payments is a revolutionary merchant account payment processing solution. From our patented online technology that displays your shopping cart directly on a mobile phone or computer to the dynamic web-based reporting provided by Shift4's comprehensive suite of applications, we deliver ...

Read more about Shift4 Payments

Shift4 Payments offers custom pricing plan

Global Payments - Payment Processing Software

Global Payments

Transforming payment processing for seamless transactions.

Best for: SMB teams · Mid-market · Enterprise

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4.3

4 verified reviews

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What is Global Payments?

Global Payments offers full-service, in-house, state-of-the-art Payment Processing Software that's been designed to simplify credit card processing through one central solution. Its comprehensive feature set provides easy access controls and reconciliation for merchants' businesses while ...

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Global Payments offers custom pricing plan

PaymentSpring - Payment Processing Software

PaymentSpring

Secure payments made simple.

Best for: SMB teams · Mid-market · Enterprise

Get Pricing Details

4.5

2 verified reviews

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What is PaymentSpring?

PaymentSpring is a leading provider of Payments Solutions that enable merchants to accept credit & debit payments with ease. With its robust Feature-Rich Software, industry-applicable Support, competitive Pricing and a promising Growth Strategy, this secure payment processor offers an ultimate ...

Read more about PaymentSpring

PaymentSpring offers custom pricing plan

PayPal Here - Payment Processing Software

PayPal Here

Empowering businesses with secure mobile payments.

Best for: SMB teams · Mid-market · Enterprise

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2.7

112 verified reviews

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What is PayPal Here?

PayPal makes online shopping (and in-store shopping) easy, safe and more secure wherever you want to accept payments. It is one of the most innovative mobile point-of-sale (mPOS) solutions available today.It is Designed to make business on the go easier than ever, PayPal Here is a credit card ...

Read more about PayPal Here

PayPal Here offers custom pricing plan

Chargezoom - Payment Processing Software

Chargezoom

Effortless payment processing for your business.

Best for: SMB teams · Mid-market · Enterprise

Try for Free

5.0

1 verified reviews

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What is Chargezoom?

ChargeZoom is a payment processing solution that makes accepting credit card payments easy. Our advanced online software and mobile app allow our clients to process payments from their own websites and mobile apps, using highly secure methods of encryption and proprietary processes. ChargeZoom ...

Read more about Chargezoom
Przelewy24 - Payment Processing Software

Przelewy24

Effortless payment processing for modern businesses.

Best for: SMB teams · Mid-market · Enterprise

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4.5

1 verified reviews

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What is Przelewy24?

Przelewy24 is a multichannel payment processing software with a single, unified platform. It gives you the ability to present modern payment techniques to your customers, and provides all the tools to support online channels. We simplify the way you process transactions and provide 24/7 ...

Read more about Przelewy24

Przelewy24 offers custom pricing plan

CardConnect - Payment Processing Software

CardConnect

Streamline your payments and grow your business.

Best for: SMB teams · Mid-market · Enterprise

Get Pricing Details

2.6

29 verified reviews

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What is CardConnect?

CardConnect is a cloud based payment processing system that has been designed for business of all sizes and in any industry. CardConnect can be used to accept payments, manage inventory, fulfill orders, produce reports and much more. CardConnect is easy to use, affordable, and offers a ...

Read more about CardConnect

CardConnect offers custom pricing plan

Braintree Direct - Payment Processing Software

Braintree Direct

Streamline payments with ease and confidence.

Best for: SMB teams · Mid-market

Get Pricing Details

4.0

90 verified reviews

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What is Braintree Direct?

Braintree's powerful, easy-to-use payment processing software gives you everything you need to accept payments from your customers and start doing business in minutes.This process payments for merchants so they can accept credit cards and other payment cards online, on mobile devices, and ...

Read more about Braintree Direct

Braintree Direct offers custom pricing plan

How Fattmerchant competitors stack up

Buyers comparing Fattmerchant usually weigh it against these 10 payment processing software competitors, starting with Merchant One, Heartland Payment Processing and Shift4 Payments. Each is compared against Fattmerchant on rating, pricing and feature coverage below.

Sites and apps like Fattmerchant

Searches for "sites like Fattmerchant" and "apps like Fattmerchant" land on the same set of options as "Fattmerchant alternatives" — the 10 options below cover both, whether you want a like-for-like replacement or something lighter.

Why each made our Fattmerchant alternatives list

Merchant OneBest for teams of all sizes

Easy cloud-based setup

Watch for: Limited advanced reporting tools

Heartland Payment ProcessingBest for small & mid-size businesses

User-friendly interface

Watch for: Limited advanced features

Shift4 PaymentsBest for teams of all sizes

Advanced payment technology

Watch for: Limited international support

Global PaymentsBest for teams of all sizes

Full-service payment processing

Watch for: Can be expensive

PaymentSpringBest for teams of all sizes

Feature-rich software

Watch for: Limited customization options

PayPal HereBest for teams of all sizes

Mobile point-of-sale functionality

Watch for: Limited advanced features

ChargezoomBest for teams of all sizes

Easy credit card acceptance

Watch for: Limited international support

Przelewy24Best for teams of all sizes

Multichannel payment processing

Watch for: Limited to specific markets

CardConnectBest for teams of all sizes

Full feature set

Watch for: Limited customer support options

Braintree DirectBest for small & mid-size businesses

Quick setup

Watch for: Limited international support

Why teams look for a Fattmerchant alternative

Teams looking past Fattmerchant often cite reasons like these:

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

How to compare Fattmerchant alternatives

The quick comparison across all 10 free alternatives: 1 offers a free tier; paid plans run $0.3–$20, with Braintree Direct the cheapest entry point; and Chargezoom is the highest rated at 5★ across 1 reviews.

How we decide the order.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to Fattmerchant are Chargezoom (5.0★), Merchant One (4.8★), Heartland Payment Processing (4.8★). Compare all 10 alternatives side-by-side above.

When evaluating alternatives to Fattmerchant, prioritize: Payment Processing, Payments, Credit Card Processing, Online Payments, Payment Gateway, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Fattmerchant starts from $49 /Month. Many alternatives offer similar functionality at different price points — some with free tiers, others with more flexible per-seat pricing. Use the filters above to narrow by budget.

Migration difficulty depends on how deeply Fattmerchant is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend narrowing to 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

How to choose a Fattmerchant alternative with confidence

  • On a budget / just exploring: start with a free tier — Chargezoom let you evaluate without paying upfront.
  • If real-user ratings matter most: Chargezoom has the strongest star rating (5★) among the options with verified reviews.

Getting off Fattmerchant without the headaches

Before you commit to leaving Fattmerchant, validate the fit. Export your data, check the import works, and confirm your essential features carry over. Pilot the switch with a free trial, then go all in, keeping Fattmerchant open as a safety net until you're settled.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].