We build mobile apps & websites that get used — not just shipped.
We craft Android & iOS apps and custom websites for your business — from idea and design to a product your customers actually use.
Free initial consultation · we usually reply within minutes
Numbers from our public Fastwork profile since December 2020 — average chat response ±3 minutes.
What we can build for your business
From prototype to production. We cover mobile, web, and backend.
Mobile App Development
Native-quality Android & iOS apps built with Flutter. Fast performance, one codebase.
Web App Development
Modern web with Next.js. SEO-friendly, fast, scalable, and production-ready.
Cloud & Backend
Secure, scalable backend and database setup. Auth, payments, real-time sync.
Recent work we've delivered
Real projects for real clients. From startups and SMEs to internal enterprise tools.
Event Management System — Project Operations, Evidence & Digital Work Reports
Multi-role event project management system: manage projects, per-project locations & users, GPS-and-camera field attendance, photo/document evidence and receipts with approval flows, plus 5 types of digitally signed work reports (Berita Acara) with PDF export.
Traditional Games — Hadang & Egrang Mobile Games (Flame Engine)
A cultural-preservation mobile game featuring two Indonesian traditional games: Hadang (Gobak Sodor) as a two-player single-screen strategy game, and Egrang, a side-scrolling stilt race that tests balance — complete with tutorials, stats, achievements, audio & haptics. Built on the Flame game engine.
Quis TNI — CBT Practice Tests & Psych Exams for Indonesian Military Selection
A computer-based test (CBT) app for Indonesian military (TNI) selection prep: psych & academic question banks, timed code-based quizzes, automatic right/wrong scoring, self-practice mode, score history, and an admin panel for question banks & student score recaps.
IMARA MASMU — Integrated Mosque Information System (Imam, Lecture & Tarawih Schedules)
A multi-mosque information system: manage Friday imam, religious lecture, and tarawih schedules complete with Hijri dates, cross-mosque preacher conflict detection, and push notifications to the whole congregation — with three roles: Admin, Manager, and Congregation.
AC Service Management — Open Job Pool, Commissions & Finance for an AC Service Business
An operations app for an AC service business built on an Open Job Pool concept: technicians claim orders themselves (first-come, Gojek-style), automatic daily queues & quotas, real-time leader-helper commissions, an insurance fund, and owner financial reports.
Jaga Hukum — Integrated Legal Platform (Legal AI, Consultations & Partner Law Firm)
A LegalTech super-app: a Legal AI assistant, consultations & case progress with a partner law firm, a legal clinic forum, news, a payment wallet, and a web admin panel.
Promedia — Diabetes Management & Education (Patients, Family & Health Workers)
An integrated diabetes management and education app: patients log daily activities & blood sugar, family members monitor via a shared code, and health workers manage everything from a web panel.
Bali Kei Hire — Event Rental Team Operations & Payroll
An operations app for an event equipment rental business: manage events, teams & drivers, daily reports, duties & fines, cash advances, and payroll with PDF payslips.
Local Ride-Hailing App — 4-Role Food Delivery
A food delivery ride-hailing app with 4 roles (Customer, Driver, Merchant, Admin) in one APK. Flutter + Firebase, real-time tracking, and integrated payments.
Kolaborasi — Jersey Rental
An online sports jersey rental platform: real-time catalog, automatic map-based delivery fees, and payments via Xendit.
Best Spa — On-Demand Spa Booking
An on-call spa & massage booking app with tiered membership, a wallet, and therapists who come to your home.
BISON — Gym Management
An all-in-one gym management app: members, packages, trainers, schedules, QR check-in, and financial reports.
Document generators we built, ready for you to use
Besides custom projects, we also ship our own tools — invoices, CVs, certificates, formal letters. 100% free, no limits. They double as living proof of the quality we build.
Billing & Invoice Generator
Create professional invoices and paid receipts in seconds. 4 templates, custom logo & colors, PDF export. (In Indonesian)
CV & Cover Letter Builder
Build ATS-friendly CVs and professional cover letters with modern templates. (In Indonesian)
Certificate Generator
Generate certificates in bulk — paste a name list or import CSV, 3 templates, custom logo & colors, one print-ready PDF. (In Indonesian)
Formal Letter Generator
Create 24+ types of official Indonesian administrative letters — from declarations & powers of attorney to agreements with a clause editor. 3 templates, PDF export.
More tools
In the works: AI letter generator, image enhancer, and more.
Want custom tools or apps like these for your business?
Discuss a ProjectA safe engagement from kickoff to handover
We know handing a project to a developer is a big decision. So we share the risk with you — you don't carry it alone.
30-day bugfix warranty
Any bug found within 30 days after handover is fixed for free — no extra charge.
Milestone-based payments
Pay per milestone agreed up front, not everything in advance. You always see progress before paying the next stage.
Source code 100% yours
All code and access (repository, hosting, database) are handed over in your name. No lock-in to us.
Regular progress reports
Routine progress updates via WhatsApp, previews included. You always know exactly where the project stands.
What our clients say
“Satisfying service, right on expectations — fast replies, friendly, and they clearly taught me how to manage the app they built so I truly understand how it works. Recommended for anyone who wants an app built, for business or personal use.”
“Incredibly fast work with satisfying results — a genuinely great app built in a single day. Highly recommended.”
“Very good and satisfying, thank you. This is my second order.”
“Fast responses, real-time discussion, and a great understanding of what the customer wants. Quick delivery and results beyond expectations. Absolutely recommended.”
“Super quick, and most importantly the product matched the request — user-friendly and exactly what I needed. Recommended, thank you.”
“Results as promised, on time, and every feature works as planned. Thank you!”
Genuine reviews from verified orders. See all 170 reviews on Fastwork
Reviews translated from the original Indonesian.
Ready to start your project?
The initial consultation is free. Tell us what you need and we'll help find the solution that makes the most sense for your business.