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Modulr logo

Modulr

UK Payment Automation

A UK and EU payments-as-a-service platform enabling businesses to automate payments and embed banking features. Modulr provides access to Faster Payments, SEPA, BACS, and card issuing through APIs, serving platforms that need to move money programmatically. Particularly strong for payroll, lending, and marketplace use cases.

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VS
ACI Worldwide logo

ACI Worldwide

Real-time payments

A payment systems software company powering infrastructure for banks and payment processors globally. ACI Worldwide enables real-time payment networks including FedNow, Zelle, and UK Faster Payments, processing over 671 billion transactions annually. Built for financial institutions requiring enterprise-grade payment switching and fraud management.

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Detailed Comparison

Side-by-side feature breakdown

Fees
Modulr

Contact for pricing

ACI Worldwide

Contact for pricing

Category
Modulr
traditional
ACI Worldwide
traditional
Available Regions
Modulr
Europe
ACI Worldwide
North AmericaEuropeAsiaLatin AmericaOceaniaAfrica
Key Features
Modulr
Enterprise
ACI Worldwide
Enterprise
Instant Payments
SDKs & Libraries
Modulr

4 Available

ACI Worldwide

3 Available

Payment Methods
Modulr

4 Supported

ACI Worldwide

22 Supported

Common Ground

Shared Regions

Europe

Shared Features

Enterprise

When to Choose ACI Worldwide

Choose ACI Worldwide if you need features like Instant Payments, or your business operates in North America or Asia, or you want a broader feature set. With fees of Contact for pricing, it's ideal for businesses focused on real-time payments.

Frequently Asked Questions

What is the difference between Modulr and ACI Worldwide?

Modulr is best for uk payment automation, while ACI Worldwide is best for real-time payments. Modulr charges Contact for pricing and ACI Worldwide charges Contact for pricing. They differ in supported features, regions, and payment methods.

Which is cheaper, Modulr or ACI Worldwide?

Modulr charges Contact for pricing while ACI Worldwide charges Contact for pricing. The best value depends on your transaction volume, business type, and required features. Compare their full fee structures for your specific use case.

Can I use both Modulr and ACI Worldwide together?

Yes, many businesses use multiple payment providers for redundancy, regional coverage, or to offer more payment methods. Modulr and ACI Worldwide can complement each other depending on your needs.