Website Solutions for Every Need
From business profiles to custom web apps — Kastemin builds it around your needs and budget.
Company Profile
Showcase your business profile and strengths professionally so prospects trust you faster.
E-Commerce
A full online store with a product catalog, cart, and payments to make selling easier.
Landing Page
A conversion-focused page for a product launch, event, or ad campaign.
Custom Web App
A web system built around your workflow, from internal dashboards to large-scale apps.
Built with Modern Technology
Websites We've Built
A selection of projects we've delivered for SME, startup, and personal brand clients.
Why Kastemin?
Simple reasons people choose Kastemin — flexible, fast, and built to last.
Fully Customizable
Websites, desktop apps, and mobile apps tailored to your idea — no template limits.
Official Warranty
Every project comes with an official 3-month warranty — bugs and errors fixed at no extra cost.
Source Code Included
You get the full source code once the project's done — not just the final product, but full ownership too.
How It Works
From idea to launch, here's how Kastemin makes it simple.
Consult & Design
Contact us via WhatsApp, tell us what you need, and we'll build a full prototype with design and flow before development starts.
Development & Revisions
Once the concept is approved, we start development and stay open to revisions until it matches your expectations.
Launch & Maintenance
After launch, you get a FREE domain & server for 1 year plus a 3-month free bug-fix warranty — all included for just Rp. 450,000.
What They Say
Stories straight from people who've used our services.
Frequently Asked Questions
Got questions? Tap to reveal the answers.
We offer a complete package starting from Rp. 450,000, including a free domain and server for 1 year (for websites).
Depending on the complexity, a simple project can be ready within 1–2 weeks. Bigger projects may take longer.
We provide a 3-month free warranty. Any errors or bugs will be fixed during this period.
Yes! We develop desktop apps, mobile apps, and web apps, depending on your needs.
We offer affordable maintenance plans after the free warranty period. This covers monitoring and bug fixes — additional features will have separate costs.
Absolutely. You can send references or your own design, and our team will turn it into a matching website or app.
Ready to Grow Your Idea?
Let's talk about your website needs now. Free first consultation.
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