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“Buy Now, Pay Later is not just a trend; it’s a revolution, empowering consumers with financial flexibility.” – Warren Buffett.


Quick Summary: Are you looking to build an app like Affirm? Do you want to generate sales and boost your reach across multiple industries through an app? If yes, then you must read this blog. It covers everything from development steps and key features to costs and so on. 


The Buy Now, Pay Later revolution has changed the way people buy things in this age of quick satisfaction. Apps like Affirm have made it possible for shoppers to own their dreams right away by removing financial hurdles and causing a rise in online shopping. But for entrepreneurs and startups, the question arises: why and how to build an app like Affirm?

The size of the worldwide purchase now-pay later market was projected to be $6.13 billion in 2022, and from 2023 to 2030, it is expected to expand at a compound annual growth rate of 26.1%. Is this information enough to convince you to invest in BNPL app development? If yes, then this blog will facilitate you with the complete bifurcation to build an app like Affirm.

In this blog, you will discover the intricacies of creating an app like Affirm, its essential features, development costs, maintenance costs, and so on.

So, let’s begin.


What is an Affirm App?   

Affirm is a mobile app that offers a buy now, pay later service. It gives users an option to credit cards by letting them buy things online and pay for them over time in set installments.


What is an Affirm App?   


Users can see upfront costs and make informed decisions without hidden fees. Affirm aims to make financing more transparent and accessible, appealing to consumers seeking budget-friendly payment options.

The app partners with various merchants, spanning retail, travel, and more, to integrate its financing solutions, creating a seamless and user-friendly shopping experience with manageable payment plans. So, if you are looking to build an app like Affirm, then you should contact an eWallet app development company


Market Stats of Buy Now Pay Later Services

Market Stats of Buy Now Pay Later Services

Source: Statista

  • Between 2021 and 2026, the number of buy now, pay later deals around the world is expected to rise by about $450 billion.
  • When you think of BNPL, you might think of Klarna, Affirm, or Afterpay. In 2021, all three of these companies had millions of registered users.
  • The trends seen here are different from those in the U.S., where online stores were planning to add BNPL as a payment choice in 2022.
  • In the US in 2023, PayPal had the most downloads, and Klarna was ahead of a group of BNPL rivals. The Klarna app had about half as many downloads as the PayPal app until the end of 2022.
  • The BNPL market is expected to rise at a CAGR of 22.0% between 2023 and 2030, rising from $30.38 billion in 2023 to $122.19 billion by 2030 on a global basis.
  • Food was one of the types of products that U.S. customers were least likely to use BNPL for.

Now you are well-versed with the demand of BNPL market, it has opened many opportunities for businesses to invest in BNPL app development. So, now is the correct time to build a fintech app like Affirm and take your business to the next level. 


6 Steps to Build an App Like Affirm 

Developing a buy now pay later like Affirm may be a daunting task as it includes planning, researching, and execution. However, it can be possible by getting assistance from mobile app development professionals. But first, let’s have a look at the step-by-step process to build an app like Affirm.


6 Steps to Build an App Like Affirm 

1. Conduct Market Research

Firstly, you should begin by analyzing the market, your target audience, and your competitors. Before you build custom ewallet app like Affirm, you must determine your potential audience and their pain point. You may clearly understand what your users want by making a user profile.

Additionally, it is vital to define your main aim, which would assist in knowing the functionality of your Affirm-like app. Once you are finished with the market research and analysis, you can move to the next stage.


2. Create a Features List

Make it clear what your BNPL app does and what benefits it has. Since Affirm is known for having transparent and open financing choices, make sure that your app is easy to use and doesn’t cause any issues. To make the user experience fun, add features like loan calculators, multiple payment choices, and fast verification.


3. Design UI/UX

It is essential to make sure that users may simply navigate the user interface. According to a study, it showcases that 85% of app users abandon an app after a negative encounter with it.

So, you should ask designers to make an app like Affirm more attractive and visually appealing. The layout, color, font, button, and size of the app must be top-notch and up to the mark. It will assist users to navigate through the Affirm-like app easily.


4. Hire An App Development Company

Once you created the user interface of your Affirm-like app, it is time to hire mobile app developers from a reputed mobile app development company. They will choose the tech stacks that are required to build an app like Affirm.

Although BNPL mobile applications handle private user data, they ensure security and flexibility, which come first. You should leverage mobile development frameworks if you plan to offer an app to reach a broader audience.


5. Start the Backend Development

Your mobile app’s backend is accountable for its structure and operation. It involves maintaining user accounts, storing data, and processing transactions. As a result, it is critical to have a scalable backend capable of handling large volumes of transactions while safeguarding consumers’ sensitive information. When you hire dedicated developers, they will work on the coding and backend infrastructure to build an app like Affirm.

Steps to Build a Buy Now Pay Later App Like Afterpay

6. Testing & Deployment

Finally, you can start testing your app to identify any bugs and flaws. The quality analysts and testers will do the testing by using different methods like unit testing, beta testing, and API testing. Once your app is thoroughly tested, you can deploy it to the respective stores by following the app store guidelines.


Essential Features to Build an App Like Affirm

You are well aware that features are the key to a successful BNPL app and increased user engagement. Knowing the fintech app development features is essential for the success of your BNPL app. So, in order to build an app like Affirm, we have compiled a list of characteristics that we think are essential.        


Essential Features to Build an App Like Affirm

1. Low Account Keeping Fee

There’s a relatively minimal account maintenance cost on the majority of Buy Now Pay Later applications. They charge a monthly fee. For example, the late fees are relatively low. Because of this particular feature, most individuals can afford these programs. BNPL platforms include this option since they recognize that the majority of their users are students.


2. Limit of Spending

As can be seen, the majority of BNPL platforms are only suitable for minor transactions. As a result, you are less likely to get indebted. The last thing you want is to make a hole in your pocket by using BNPL apps. So, if you want to integrate this feature only in iOS device, then it would be best to take assistance from an iOS app development company.


3. Transparency

Most credit cards have fees that you don’t see coming. For someone who is still learning about credit, getting stuck in debt is the last thing they want. Because of this, BNPL is chosen by most people. There aren’t any extra fees. EMIs are all you have to pay. Millennials do like things to be clear and not have any additional fees.


4. Secure Transactions

What are you most likely to look for when you make a payment? A place where deals can be done safely and securely. For deals, BNPL applications offer a safe space. Users can create their payments without any trouble.


5. Easy Usability

Most of the time, people don’t understand how a FinTech app works. To be honest, it’s pretty annoying. You can avoid this bothersome thing by integrating features like easy usability with the help of iOS app developers.

Cost To Develop A Mobile App Like Tabby

6. Fast Verification

Don’t you hate it when an easy process like registration takes a ridiculously long time? These apps, and we both understand that. In these kinds of apps, the approval process is pretty quick. You don’t waste your valuable time. Users do like how quickly it works.


7. Availability

BNPL isn’t accepted everywhere, but you can find it in most shops around the world. With these tools, you can always get them. People can shop online and pay for things later on most sites. It’s likely that you’ll find the BNPL choice in any online shop you visit.


mobile application development CTA

8. Refunds

Studies have shown that most people who use BNPL buy more than one item at the same time. They usually have every plan of sending some of the items back. Because of this, these sites offer a simple way to get your money back. Not too excellent of a feature.


9. Flexibility While Repaying

Users like having options when they have to pay back a loan. The way people want to pay back is up to the BNPL applications. They give people enough freedom when it comes to paying back. Users may better manage their expenses with this level of freedom.


10. Digital Payment Option

You must provide multiple payment gateway options for users that helps them to make payments conveniently.

5 Popular BNPL Apps like Affirm

The Affirm app had 13.9 active users in 2022, which shows its popularity. So, if you are planning to build an app like Affirm, then it is vital to determine your competitors. To make your work easier, we have listed the top BNPL apps like Afterpay and Affirm for your reference. Let’s have a look:  


5 Popular BNPL Apps like Affirm


Popular BNPL Apps Available Platform Downloads Ratings    
Afterpay Android | iOS 5M 3.8
Apple Pay n/a | iOS 50M 4.2
Klarna Android | iOS 10M 4.6
Tabby Android | iOS 1M 4.8
Sezzle Android | iOS 1M 4.6

1. Afterpay   


The BNPL app like Afterpay is popular in the UAE and has over 5 million downloads on Play Store. Users can split their purchase into four interest-free installments spread over six weeks. It can be helpful if they want to spread out the cost of a more significant purchase.


2. Apple Pay

Apple Pay

Apple Pay is another buy now pay later app that enables users to purchase some commodities in advance and pay later. It has over 45.6 million active users on the app store. For online and in-app purchases, users can go for the Apple Pay wallet at checkout and follow the prompts to complete their payment.


3. Klarna


Klarna is a shop now pay later app that allows users to make purchases from various retailers and pay later in installments or within a specified period. With more than 10 million downloads and 150 million active users, Klarna has gained immense success. So, if you want to build an app like Klarna, then you have to contact professional mobile app developers.


4. Tabby  


Like Klarna and Affirm, Tabby has also gained popularity in less time by providing BNPL service. Users may split their purchases into 4 interest-free payments at their favorite stores. With a sleek interface, Tabby simplifies tracking and splitting bills effortlessly. Being one of the popular apps, you can invest to develop a mobile app like Tabby for your business.


5. Sezzle   


Sezzle is a BNPL app that allows users to split their purchases into four interest-free payments. It’s similar to other BNPL apps like Afterpay and Klarna but with a few key differences. Users may get approved for Sezzle in seconds without having to go through a hard credit check.


Cost to Build an App Like Affirm 

The BNPL mobile app development cost may range between $10,000-$25,000 or even more. Basically, it depends on the technology upgrades and your project’s complexity. Also, some crucial factors like functionality, UI/UX design, development team, backend development, and so on. Let’s now have a look at the table that indicates the development cost on the complexity level.


Complexity Cost Estimation Time Duration
Simpel app $10000-$15000 2-3 months
Medium app $15000-$20000 4-6 months
Complex app $25000 7-9 months


You might be interested in knowing the fintech app development cost of simple, medium, and sophisticated BNPL apps. So, we’ve included a simple formula for calculating the cost to build an app like Affirm. This simple formula is often known as the mobile app development cost calculator.

Total development cost = hourly rate of developers * total development time

So, now you know the formula to measure the cost to build an app like Affirm, you can easily calculate the price as per app complexity. However, you can even consult with an iOS or Android app development company that can provide an actual cost estimation of BNPL app development.


How Much Does It Cost to Maintain An App Like Affirm?

Developing a BNPL app is the first stage; app maintenance is necessary for the proper functioning of your application. With that, the cost of maintaining a mobile app comes along. So, how much is the cost to maintain an app like Affirm?

Basically, a buy now, pay later app like Affirm can be 15-20% of the total app development cost. So, if your Affirm-like app’s development cost is $20,000, then you are charged to pay around $3000-$4000 annually. Some factors may also affect the app maintenance cost, such as new features integration, user base size, types of maintenance, and so on.

For a BNPL app like Affirm, app maintenance is crucial. So, it is advisable to consult with a mobile app maintenance and support services provider who can provide cost on app maintenance.


Develop a BNPL App Like Affirm With Dev Technosys!! 

After seeing the success of Affirm, you decided to build your buy now pay later app. Now that you know the process to build an app like Affirm, a BNPL platform, it is time to implement your mobile app idea into reality.

For that, you need to hire mobile app developers like Dev Technosys, who have immense expertise in mobile app development. We have a track record of creating quality mobile applications with cutting-edge technologies for our clients. Our developers have years of experience in delivering quality applications and websites with agile methodology.

From BNPL apps like Afterpay to Klarna, our skilled professionals can create any kind of buy-now-pay-later application. From conceptualization to the final release of your mobile app, we specialize in crafting engaging BNPL applications.

Availing mobile app development services can help ensure that your BNPL app will be made quickly and to the highest standards by developers who are highly qualified and can add the newest features you need.

So, what are you up to? Contact Dev Technosys now and share your project requirements with us If you’re ready to change the world with BNPL service.



1. What is the BNPL App?

BNPL app is a mobile app that allows users to purchase any product in advance and pay later. The app will run a soft credit check to assess your eligibility. If approved, users will get a spending limit. Some of the popular BNPL apps are Apple Wallet, Afterpay, Klarna, and so on.


2. How Long Does It Take To Build An App Like Affirm?

The time frame to build an app like Affirm majorly depends upon factors and project complexity. If your BNPL app is simple with limited features, then it will take 2-3 months. However, a complex app with highly advanced features may increase the development time from 5-8 months or more.


3. How Much Does It Cost To Build An App Like Affirm?

The cost to build an app like Affirm may rely on a number of variables like app complexity, app features, UI/UX design, backend development, and more. Typically, it can cost between $10,000-$25,000 or more. So, it is advisable to contact experts who can give a cost estimation.


4. What Are the Advanced Features to Include in App Like Affirm?

The features to integrate into your BNPL app development may be crucial. So, let’s have a look at the advanced features:

  • AI-powered Budgeting
  • Micro-investing Integration
  • Loyalty Program
  • In-app Call/Chat
  • Paperless power
  • Fraud detection & prevention


5. What Are The Benefits of Creating App Like Affirm?

Creating an app like Affirm offers benefits such as providing consumers with flexible and transparent financing options, fostering responsible spending, attracting a broader customer base, and increasing customer loyalty. It also enables businesses to boost sales, reduce cart abandonment, and stay competitive in the evolving fintech landscape.


6. How To Monetize BNPL Apps Like Affirm?

To monetize your BNPL apps like Affirm, you need to apply some essential monetization strategies. So, we have listed down the popular methods which you can choose:

  • Embrace merchant partnerships
  • Subscription models
  • Data analytics monetization
  • Freemium model
  • In-app advertisement
  • In-app purchase
  • Affiliate marketing
  • Email marketing