The most common questions from prospective clients about yellowflash.dev services.
From IDR 5M for a simple landing page, IDR 15M for a company profile, IDR 35M for e-commerce, up to IDR 300M for an enterprise information system. The full price range is published on the /en/harga page — no hidden cost.
Yes. Every project gets a 6-month bug warranty after handover. Bugs caused by our own code are fixed at no extra charge during the warranty period.
Landing page 1–2 weeks, company profile 3–4 weeks, e-commerce 6–10 weeks, information system 8–16 weeks depending on complexity. There is a weekly demo at each milestone.
The stack is chosen based on project needs, not vendor preference. Web: PHP (CodeIgniter 4, Laravel), JavaScript (Node.js, React, Next.js), Python. Mobile: Kotlin (Android), Swift (iOS), React Native, Flutter. Database: MySQL, PostgreSQL, MongoDB.
Yes, fully. After final payment, the source code + assets + documentation are handed over to the client. No vendor lock-in and no monthly license.
Default of 3 installments: 40% upfront (after the contract is signed), 30% midway (at a set milestone), 30% at handover. Other schemes can be discussed for projects above IDR 100M.
Yes. We are based in Bintaro, South Tangerang — close to clients in South Jakarta, BSD, Serpong, Tangerang, and Greater Jakarta. Online meetings (Google Meet / Zoom) are also available for out-of-town clients.
Contact us directly — free 30-minute consultation.
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