How to Create an App Like Affirm?

Key Takeaways:

 

• Creating an app like Affirm requires a robust understanding of the BNPL model, user behavior, and merchant workflows.
• Core features across the user, merchant, and admin panels are essential to deliver a scalable BNPL experience.
• Security and compliance, including KYC, AML, and PCI-DSS, are critical for fostering trust and meeting regulatory standards.
• The cost to build an app like Affirm varies based on features, integrations, and compliance requirements, making proper planning essential.
• Unique monetization strategies and future-ready trends can help your BNPL app outshine the competitors in the market.
• Partnering with an experienced fintech development company like Nimble AppGenie ensures rapid launch, diminished risk, and long-term scalability.

Did you know the buy now pay later market is anticipated to grow by $90.29 billion at a CAGR of 37.7% between 2024 and 2029. The increasing number of e-commerce platforms and surging services adoption, especially among millennials in developed regions, have driven the expansion.

As a top competitor in North America, Affirm, a Buy Now Pay Later (BNPL) app, recently achieved the highest YoY revenue growth, followed by Afterpay, PayPal, and Zip.

Affirm is a widely-known financial technology company and Buy Now, Pay Later (BNPL) service that offers flexible payment plans to users across the US and Canada (primary operations).

If you are also looking to create an app like Affirm, this guide goes deeper to make you understand the topic inside out and help you build a scalable fintech platform.

We will learn what Affirm BNPL is, how to create an app like Affirm, how BNPL apps work, how BNPL apps make money, BNPL app features, and the challenges you can face with ultimate solutions.

Let’s get the ball rolling!

What is Affirm?

Affirm is a Buy Now, Pay Later (BNPL) fintech platform that allows users to split purchases into fixed installments with clear pricing.

It unveils the complete cost upfront, assisting users in staying away from hidden fees common with credit cards.

How Does Affirm Work?

• Customer selects Affirm at checkout as a payment option.
• Affirm performs an instant eligibility check
• Users see various repayment plans
• Affirm pays the merchant and completes the transaction.
• The customer repays Affirm in fixed installments over time
• Affirm earns revenue through merchant fees.

Why Build a BNPL App Like Affirm in 2026?

The increasing shift to flexible payment solutions by businesses and consumers across multiple industries is driving swift growth in the Buy Now Pay Later (BNPL) market.

• The valuation of the global buy now pay later market size is projected to increase from $54.56 billion in 2026 to $286.02 billion by 2034, at a CAGR of 23%.
• Per last year’s record, North America ruled the buy now pay later market with a 56.1% market share.
• The largest segment of the BNPL market share is held by the consumer electronics segment, with a market share of 30.32% in 2026.
• Soon, the increasing adoption of consumer electronics and the rise in the digital economy are predicted to create numerous opportunities in the market for key players.

Future Trends in BNPL

In 2026, BNPL apps will focus on smooth integration, smarter credit, and improved user experience.

Key Trends to Watch:

1. Embedded BNPL Across Industries: BNPL will expand beyond eCommerce into healthcare, travel, education, and utilities.
2. Personalized Financing: Apps will provide dynamic repayment plans and recommendations based on spending platforms and user behavior.
3. Integration with Digital Wallets & Super Apps: BNPL will be a core feature within a multi-service application for flawless financial management.
4. AI-Driven Credit Scoring: Predictive analytics will make credit approvals more accurate and faster, diminishing defaults.
5. Gamification & Loyalty Programs: Reward-based incentives will increase engagement, timely repayments, and repeat usage.

The BNPL trend will grow across eCommerce, retail, healthcare, and travel, making now the best time for Buy Now Pay Later app development.

Core Features Required to Build an App Like Affirm

Features are one of the most important elements to create an app like Affirm.

After all, this is what is going to attract new customers and retain the old ones. To help you out, we have compiled a list of the top features required for an Affirm-like app.

User App Features

Merchant Panel Features

Admin Panel Features

Advanced Features to Create an App Like Affirm

To stand uniquely in the fierce BNPL market, your mobile app should embrace user-centric and data-backed features.

Advanced functionalities, such as AI-powered credit scoring, flexible repayment plans, and real-time fraud detection, not just improve user experience but also diminish risk and boost revenue potential.

Let’s talk about the features of BNPL apps like Affirm below:

Compliance & Security Requirements for BNPL Apps

A secure BNPL app development manages sensitive financial and personal data, so you need to take care of security and fintech app compliance while creating an app like Affirm.

Let’s have a look at the core security requirements for BNPL apps in the table below.

How to Create an App Like Affirm?

Building a buy now, pay later app like Affirm may seem like complex work.

It consists of a proper process to develop an app like Affirm.

Let’s get to know:

► Market Research

The critical step in creating an app like Affirm starts with Market Research.

You need to start by gathering an understanding of customers and merchants to understand their pain points, challenges, and more.

You also want to do competitor analysis, make sure to know recent trends in the industry & more to establish a proper foundation for your app.

► Pick your Features

You will need to shortlist an all-encompassing list of features for your BNPL app.

Add features like credit checks, credit score tracking, different payment options, and more. You can later add other advanced features such as multiple language support, credit score tracking, and more.

Remember, all this will affect your app’s reputation and user experience.

► Focus on Design

Time to focus on your BNPL design.

This is where you create a prototype and a wireframe to learn about the structure and functionality of your design.

Creating wireframes helps you to outline the basic layout and navigation, while prototypes allow you to test and refine the interactive elements and visual details.

This is why it is important to put more effort into this step to create something users engage with.

► Developing Your App

Now, once you are done with the design.

Time to work on bringing the “front end and back end’’ together. To do this, developers will choose the right programming language and write code to build your app.

This is one of the longest processes in the app development process, so make sure to have proper communication with the team. 

► Mobile App Testing

There is no second thought that app testing is one of the important elements of development.

To launch a better quality Affirm-like app, it is important to make the app bug-free and technical issue-free; testing is necessary.

There are several tests, including integration, functional, unit testing, and performance are done to ensure that your app is functional and up-to-market standards.

► Launching Your App

Now, it’s time to launch your app and make it visible to other people for download.

In order to do so, you need to follow the guidelines of the store, including icons and descriptions.

You can either publish your app on the App Store or submit your app to the Play Store.

Both stores require you to submit your app for review. You need to wait to hear back from them; it might take a few days to a few weeks, so have patience.

► Post-Launch and Maintenance

Once you deploy the app, it’s time to work on support and maintenance services.

In this, you are going to find and fix issues, new updates, and features if needed. Support and maintenance aim to ensure that your app is up to the market standards and requirements.

So, make sure to consider it your top priority for Affirm-like app development.

If you are still dwelling in confusion, take a look at the big players in the market to get inspired.

Challenges in Developing a BNPL App Like Affirm with Solutions

BNPL app development comes with unique financial, technical, and regulatory challenges.

Understanding such obstacles and implementing solutions early guarantees a compliant and user-friendly app that outshines the competitors.

Cost to Develop an App Like Affirm

What is the BNPL app development cost?

The cost to build an app like Affirm depends on complexity, features, technology choices, and compliance requirements.

On average, MVP development is cheaper, while a full-fledged app demands a higher investment.
Estimated Cost Breakdown Table:

Factors Affecting the Cost of Making an App Like Affirm

Honestly, getting an exact figure for the development cost of a BNPL app is hard.

As we said, different factors affect your budget. To understand pricing, you need to know how the factors work.

In this section, we’ll be discussing them all in detail:

♦ UI/UX Design

If you want a basic and minimalistic design, the overall cost to develop an app like Affirm might not be much, as it will not take a lot of time and resources.

Whereas, advanced design requires customization and iterations, which in turn increase the cost.

So, keep your eyes on the design, understand user preference, and design it in a way.

♦ Selecting the Right Platform

You know that to make an app like Affirm, you have to choose the right platform.

This can be:

► Native Solution 

• Android
• iOS

► Hybrid Solution

Native platforms have their benefits and challenges, and applications are intended for particular operating systems. Whereas cross-platform solutions offer cost-effectiveness by supporting platforms for both the OS with a single codebase.

♦ Tech Stack Selection

Choosing the right tech stack has a lot of impact on your app.

The tech stack includes security and overall performance. Several technologies offer different speeds, effectiveness, and more.

So, work with the tech stack that you believe can help you improve your app performance, scalability, and enhance user experience.

If you are working with complex technology that has a steep learning curve, it surely needs expert developers, and they will charge you more. Whereas, technology that is open source will offer you a lot of free elements, without exceeding your budget.

Here is a quick breakdown of the tech stack for Affirm-like app development.

♦ Third-Party Integration

If you are developing an app like Affirm, third-party BNPL integration is important.

And, with so many options, it is sure that your choice will affect the overall Affirm-like app development cost.

While an initial setup and subscription fee may be included, these integrations often eliminate the need for extensive development and also make the app familiar to the users.

Moreover, they simplify operations, reducing manual processes and associated labor costs. However, the selection of third-party integrations you choose may have some hidden fees, charges, and more, which can impact your overall cost to build an app like Affirm.

♦ Features

Affirm-like app stands out in the BNPL space for having amazing features.

So, it is clear that you will need basic features, including user registration, a flexible payment method, an Autopay option, and more.

To get an edge over competitors, you can also integrate advanced features like adaptive checkout, virtual card, and payment plans.

But remember, every choice you make has a direct impact on Affirm’s app development cost.

With these, we believe you have an idea of the factors affecting the cost to make an app like Affirm.

To get a better cost estimation, you can take the help of an expert company, which is what we will be discussing in the next section:

Why Choose Nimble AppGenie to Develop an App Like Affirm?

To create an app like Affirm, you need robust technology, deep fintech proficiency, and strict compliance.

Nimble AppGenie is a trusted BNPL app development company that fuses years of experience in creating user-oriented mobile apps.

Our team of BNPL app developers offers fintech app development services to create a BNPL app for startups.

Highlights of Nimble AppGenie

• End-to-End BNPL Expertise
• Regulatory Compliance & Security
• Agile Development & Faster Time-to-Market
• Custom BNPL App Development
• Post-Launch Support & Scaling
• Customized User Experience

With Nimble AppGenie, you don’t just build a BNPL app; you create an innovative, revenue-ready financial platform that competes with the giants like Affirm.

Still not convinced?

Real-Time Case Study: BNPL App Development by Nimble AppGenie

• Client: A leading e-commerce startup in the UAE
• Project: Build a BNPL app similar to Affirm
• Duration: 5 months
• Objective: Activate flexible installment payments, boost customer conversion, and ensure full regulatory compliance

Challenges They Faced:

• Real-time credit assessment for users with limited credit history.
• Integrating payment gateways and merchant platforms smoothly.
• Ensuring KYC/AML compliance across multiple regions
• Creating a scalable infrastructure to manage high transaction volumes.

Solutions We Offered

• Created an AI-powered credit scoring engine to instantly assess user eligibility.
• Develop merchant dashboards and APIs for effortless integration with various e-commerce platforms.
• App deployment on a cloud-based architecture to support swift growth.

Results Achieved:

• 40% surge in checkout conversions
• Increased user engagement
• Zero security breaches
• Positive feedback from merchants

For Affirm-like app development, go for Nimble AppGenie, an experienced firm serving a worldwide clientele.

Conclusion

When you create an app like Affirm, you just launch a BNPL feature, but create a secure fintech platform.

Whether it’s understanding the BNPL model, implementing advanced security, including core features, choosing monetization strategies, or considering future-ready trends, you need to get every layer right to achieve success.

Partnering with a reputed fintech app development company like Nimble AppGenie can ensure that the development diminishes risk, meets the applicable regulatory standards, and delivers lasting value for merchants and users.

Now is the right time to turn your BNPL idea into a market-ready solution.

FAQs

Niketan Sharma

Niketan Sharma, CTO, Nimble AppGenie, is a tech enthusiast with more than a decade of experience in delivering high-value solutions that allow a brand to penetrate the market easily. With a strong hold on mobile app development, he is actively working to help businesses identify the potential of digital transformation by sharing insightful statistics, guides & blogs.