Achromatic vs KMPShip

When choosing between Achromatic and KMPShip, it's essential to understand the key differences that make each boilerplate unique. Both are excellent choices for building SaaS applications, but they cater to different needs and development approaches.

What is Achromatic?

Achromatic is a Next.js 15–based SaaS starter that tries to cover most of the groundwork developers usually build themselves: authentication, organizations, role management, billing, email, and a consistent UI built on shadcn/ui and Tailwind. The appeal is that it doesn’t just drop in loose components — the pieces are wired together in a way that feels closer to a real application than a template. The onboarding flow, subscription logic, and organization system actually work out of the box, which makes it easy to jump into feature development without spending days on the usual boilerplate chores. There are a few things worth noting, though. The project is relatively new, and the ecosystem around it is still small, so you’re buying into a structure that depends heavily on the maintainer’s ongoing involvement. It’s an opinionated setup, which is great if you like the architecture as-is, but less ideal if you prefer a lighter, more minimal foundation. Achromatic positions itself as a time-saver for developers who want a polished starting point rather than assembling every piece manually, and it mostly succeeds at that. Still, it’s best suited for teams comfortable adopting someone else’s patterns and conventions anyone needing maximum flexibility might find it a bit heavier than they’d like.

Developed by Mahmut Jomaa, Achromatic has become a popular choice among developers looking for a reliable starting point for their SaaS projects.

What is KMPShip?

KMPShip is a production-ready boilerplate built with Kotlin & Compose Multiplatform for Android & iOS. Go from idea to App Store and Google Play in days, and start earning from day one. If you are an indie dev, freelancer, or working on your next client project, KMPShip gives you a solid foundation with everything essential already set up. Forget weeks of configuration and endless troubleshooting. With KMPShip, everything is ready out of the box: - Authentication (Google, Apple, Email/Password) - Payments with RevenueCat (In-App purchases, subscriptions and paywall) - Notifications (local & push) - CI/CD pipelines with GitHub Actions & Fastlane - Clean architecture, offline mode, dark mode - Sample app and documentation - Access to a private Discord community Recognized by leading platforms: KMPShip is already gaining recognition from leading startup communities and developer platforms, trusted by indie makers and freelancers worldwide. Start building apps faster and turn your ideas into income today.

Created by Vivien Mahé, KMPShip offers a robust foundation for building scalable SaaS applications.

When building a SaaS application, choosing the right payment integration is crucial for monetization success. Let's compare the payment options available in Achromatic and KMPShip.

Both Achromatic and KMPShip are excellent choices for building SaaS applications. Your decision should be based on your specific requirements, budget, and technical preferences.

Achromatic is ideal if you're looking for a more affordable option with built-in authentication.

KMPShip stands out for its comprehensive feature set and is perfect for developers who need authentication.

Ultimately, both boilerplates will help you launch your SaaS product faster and more efficiently. Review the detailed comparison above, consider your project requirements, and choose the one that aligns best with your goals.