Best Payment Processors for App Developers Selling Outside the App Store

iPhone App Store
iPhone App Store

Apple’s App Store makes it easy to sell apps, but developers don’t have to rely on it for every sale. Some sell Mac software through their own websites, while others offer subscriptions online or distribute iPhone apps through alternative channels where permitted. Selling independently gives developers more say over pricing and how they deal with customers.

The tricky part is handling payments. Someone needs to process transactions, collect subscription fees, issue refunds, and deal with disputes when things go wrong. With so many payment providers available, the best choice depends on the type of app you’re selling, your customers, and how you plan to accept payments.

How Selling Apps Outside the App Store Works

Mac developers can sell software directly through their websites, but iPhones and iPads are more complicated. Apple’s distribution rules vary by region, and developers can’t always offer downloads or external payments in the same way.

Eligible developers in the European Union can use web distribution of iOS apps to offer their apps directly from their own websites. They must meet Apple’s requirements, including authorization and app notarization, before using this distribution method.

Selling independently means handling parts of the purchasing process that Apple would normally manage. Developers may need to issue software licenses, collect subscription payments, process refunds, and keep track of customer accounts.

A simple checkout might be enough for someone selling a one-time Mac app. A subscription service, on the other hand, needs a way to collect recurring payments and keep paid features available to customers with active subscriptions.

1. Adaptiv Payments

Running a subscription business can complicate payment processing. Failed renewals, customer disputes, and high chargeback rates can cause problems with traditional processors. Some software businesses may even struggle to get approved for a merchant account because their billing model is considered higher risk.

Adaptiv Payments focuses on businesses with these kinds of processing challenges. It provides merchant accounts and payment gateways for higher-risk industries, including software-as-a-service companies, digital product sellers, and subscription businesses.

Its services include recurring billing, fraud prevention, chargeback management, and tools for retrying failed subscription payments. The company also works with different banking and processing partners to find account arrangements that meet a merchant’s requirements.

For developers selling software through their own websites, this can be useful when standard payment providers aren’t suitable. It’s especially worth considering for businesses dealing with account restrictions or frequent payment disputes.

The available gateway still needs to work with the developer’s website and billing system. Fees, account conditions, and approval requirements vary, so confirm these details before signing up.

2. Stripe

Stripe gives developers plenty of control over how they collect payments. Its APIs can connect a website’s checkout with customer accounts, subscriptions, and software licensing systems, making it a practical option for businesses that want to manage their own sales.

Developers who prefer a simpler setup can start with Stripe Checkout, which provides a ready-made payment page. Stripe Billing handles recurring subscriptions, free trials, and different pricing plans. When someone purchases a subscription, webhooks can notify the developer’s system so paid features become available automatically.

There’s room to customize things as the business grows. Stripe supports international payments, fraud detection, and tools to recover failed subscription charges. Developers can also create more personalized checkout experiences when a basic payment page no longer meets their needs.

That freedom comes with some technical work. Connecting payments to app accounts or software licenses may require development time, and businesses generally remain responsible for their own tax obligations unless they use a service that takes on those responsibilities.

3. Paddle

Paddle is aimed at businesses selling software and digital subscriptions. Its main difference from a traditional processor is that it acts as a merchant of record. For eligible transactions, Paddle serves as the seller and takes responsibility for payment processing, applicable sales taxes, and related compliance work.

Mobile app developers can use Paddle to let customers purchase subscriptions through a web checkout, then return to the app. It also integrates with RevenueCat, which can help connect those purchases to subscription access and premium features.

Paddle handles recurring billing, fraud protection, and failed payment recovery. It also collects and remits applicable sales taxes on transactions processed under its merchant-of-record arrangement. That can take a substantial amount of work off a developer’s hands, particularly when selling to customers in different countries.

The downside is that developers need to work within Paddle’s pricing and account requirements. Certain mobile checkout features may require approval, and purchase links presented inside iOS apps must still follow Apple’s applicable rules.

4. FastSpring

FastSpring is another merchant-of-record provider, with services aimed at software publishers and mobile app businesses. It offers an alternative for developers who want to sell directly without handling every payment and tax-related task themselves.

Developers can offer subscriptions on their websites before customers download an app. Where permitted, they can also direct existing app users to an external checkout. FastSpring provides hosted and customizable checkout options, plus APIs and webhooks to connect purchases to customer accounts.

Its services cover recurring billing, international payments, and applicable sales taxes. FastSpring also offers transaction support and subscription features, including free trials, promotional discounts, renewals, and payment recovery.

This makes FastSpring a practical option for software businesses selling internationally or offering several subscription plans. Developers with specific licensing requirements or custom checkout designs should review the integration options and pricing before committing.

5. PayPal

Many customers already have a PayPal account, which can make paying for an unfamiliar app or software product feel more comfortable. Instead of entering card details on a new website, they can complete a purchase through a payment service they already use.

Developers can add PayPal Checkout to their websites to accept one-time payments. Depending on the country and checkout setup, customers may be able to pay through their PayPal accounts or other supported payment methods. PayPal’s APIs also let developers link successful transactions to software licenses or customer accounts.

For apps that charge monthly or annually, PayPal offers subscription billing with support for free trials, different pricing plans, and automated payment retries. Developers can manage subscription changes and cancellations without processing each payment manually.

PayPal is particularly appealing when customers already trust and use the service. Still, developers should consider its transaction fees, regional availability, and integration requirements. Standard PayPal processing also leaves businesses responsible for applicable taxes and other obligations associated with their sales.

Check the Fees, Integration, and Apple Rules

A low transaction fee looks attractive, but it doesn’t tell you the full cost of accepting payments. Currency conversion charges, subscription fees, refunds, and chargebacks can all affect earnings. It’s worth looking at the full pricing structure, especially if you expect to sell internationally.

The technical side matters as well. Customers shouldn’t have to wait for someone to manually activate a subscription after paying. Your payment system should communicate with the app’s account or licensing system so it records purchases, renewals, and cancellations correctly.

Apple’s payment rules also depend on where and how you distribute an app. In the European Union, alternative app distribution and payment options come with specific requirements and may still involve Apple commissions. On the US App Store, developers can include links to external purchasing options without a special entitlement, while other regions have different restrictions.

It’s also worth establishing who handles taxes, refunds, and customer disputes. Merchant-of-record services generally take on more of this work than traditional processors. Knowing where those responsibilities fall can prevent expensive surprises later.

Which Payment Setup Makes Sense for Your App?

A developer selling a small Mac utility probably doesn’t need the same payment system as a company running a subscription service with customers around the world. Some businesses need a straightforward checkout, while others depend on automated billing, payment recovery, and more detailed account management.

The providers covered here offer different approaches. Some give developers greater control over their payment systems, while others handle more of the work involved in processing sales. The right choice depends on the software you’re selling, the customers you’re serving, and the responsibilities you’re prepared to manage.

Whichever provider you choose, paying for your app should be simple for customers and manageable for your business. A dependable payment setup makes that possible without creating more work every time someone makes a purchase.

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