B99 Mining·Fintech & Crypto
We Built a Bitcoin Mining App Used in 40+ Countries
Our own product: a cloud mining app for iOS and Android with daily Bitcoin rewards, Lightning withdrawals and in-app plans in 13 languages.
- React Native app with a Supabase backend and real-time mining sessions
- Lightning and on-chain Bitcoin withdrawals with automated risk review
- Store subscriptions plus crypto checkout, 13 languages, 40+ countries
- iOS
- Android
- Backend
- Payments
- Design
A European neobank·Fintech
We Shipped a Wallet MVP in Nine Weeks
From discovery to a 4.8★ launch: cards, transfers and KYC in one native app, built with a compliance-first architecture.
- Nine weeks from kickoff to App Store and Google Play
- 4.8★ average rating in the first quarter
- Bank-grade security review passed before launch
- iOS
- Android
- Backend
- Security
A national retail chain·Retail & E-commerce
We Turned a Loyalty Card Into an App People Open Every Week
A rewards app with QR check-in, personalised offers and a design system that scaled to 300 stores.
- +31% repeat purchases among app users
- Design system reused across web and in-store screens
- Offer engine driven by purchase history and location
- Design
- iOS
- Android
- Analytics
A logistics operator·Logistics & Mobility
We Put a Fleet of 1,200 Trucks on One Dashboard
IoT telemetry, route optimisation and driver apps — a control room that cut fuel spend by 22%.
- 22% fuel savings in the first six months
- Live telemetry from 1,200 vehicles at sub-second latency
- Driver app with offline routing and proof of delivery
A private hospital group·Healthcare
We Made Appointments a Two-Tap Job
A patient app and nurse tablet suite: scheduling, results and reminders, integrated with the hospital information system.
- No-show rate down 38% after reminders and one-tap rescheduling
- HL7/FHIR integration with the existing hospital system
- GDPR-compliant data handling reviewed by the client’s DPO
- iOS
- Android
- Integration
- Security
A mobile games studio·Gaming
We Launched a Casual Game to the Top 10 Charts
Unity development, LiveOps tooling and an economy design that kept players coming back.
- Top-10 casual chart in three launch markets
- Day-30 retention doubled after the LiveOps calendar
- Ad and in-app purchase monetization tuned per region
- Unity
- LiveOps
- Monetization
- Design
A public-sector agency·Government & Public Sector
We Rebuilt a National Services Portal for Millions of Citizens
Accessible, multilingual and secure: a Next.js platform that replaced a decade-old system without a day of downtime.
- WCAG 2.2 AA across 400+ service pages
- Zero-downtime migration from the legacy platform
- Peak traffic of 2M requests per hour handled on autoscaling infrastructure
- Web
- Accessibility
- Cloud
- Security
An online education provider·Education
We Scaled a Course Platform to 900,000 Learners
Video delivery, live classes and an AI study assistant on a platform that grew ten-fold in a year.
- 10× growth in learners without re-platforming
- AI assistant answers 70% of study questions instantly
- Sub-two-second video start times worldwide
