Jostar.id
Portfolio

Real projects for real clients

Most of our work is under NDA, but we're happy to share a few projects we're allowed to show.

Portfolio

Recent work we've delivered

Real projects for real clients. From startups and SMEs to internal enterprise tools.

View all
Skincare App with AI Skin Analysis — Face Scan, Skin Score & Routine Recommendations

Skincare App with AI Skin Analysis — Face Scan, Skin Score & Routine Recommendations

An Android & iOS skincare app that reads a face photo with AI: a marked-up face map per zone, a 0–100 skin score you can track over time, then routines and products suggested with the reasoning shown. The client's brand is kept confidential.

FlutterFirebaseAI VisionCloudflare Workers
webjadi.online — A Multi-Tenant Micro-SaaS Website Builder for Small Businesses

webjadi.online — A Multi-Tenant Micro-SaaS Website Builder for Small Businesses

Our own product, live in production: small businesses pick a template, add products from their phone, and instantly get a catalog website on their own address (storename.webjadi.online). Buyers order through the owner's WhatsApp — no commission, no middleman.

Next.jsSupabaseCloudinaryMulti-tenant
Event Management System — Project Operations, Evidence & Digital Work Reports

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.

FlutterFirebasePDFSignature
Traditional Games — Hadang & Egrang Mobile Games (Flame Engine)

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.

FlutterFlameProviderOffline
Quis TNI — CBT Practice Tests & Psych Exams for Indonesian Military Selection

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.

FlutterFirebaseBLoC
IMARA MASMU — Integrated Mosque Information System (Imam, Lecture & Tarawih Schedules)

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.

FlutterFirebaseFCMgo_router
AC Service Management — Open Job Pool, Commissions & Finance for an AC Service Business

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.

FlutterFirebaseFirestore TransactionCloudinary
Jaga Hukum — Integrated Legal Platform (Legal AI, Consultations & Partner Law Firm)

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.

FlutterFirebaseGemini AIMidtrans
Promedia — Diabetes Management & Education (Patients, Family & Health Workers)

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.

FlutterFirebaseWeb Admin
Bali Kei Hire — Event Rental Team Operations & Payroll

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.

FlutterFirebaseBLoCGoogle Maps
Local Ride-Hailing App — 4-Role Food Delivery

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.

FlutterFirebaseCloud Functions
Kolaborasi — Jersey Rental

Kolaborasi — Jersey Rental

An online sports jersey rental platform: real-time catalog, automatic map-based delivery fees, and payments via Xendit.

Flutter WebFirebaseXendit
Best Spa — On-Demand Spa Booking

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.

FlutterFirebaseGoogle Maps
BISON — Gym Management

BISON — Gym Management

An all-in-one gym management app: members, packages, trainers, schedules, QR check-in, and financial reports.

FlutterFirebaseQR Check-in

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.