Our Work
Every app runs on the same proven platform — from maritime licensing to aviation to medical boards.
Sea TrialsSea Trials
The leading USCG exam prep app. Expert-curated content, realistic exam simulations, and adaptive study tools covering every maritime license type. 50,000+ users. 4.8-star rating.
Cross-PlatformOffline ModeAdaptive LearningCloud SyncIn-App Payments
AeroStudyComing Soon
AeroStudy
FAA knowledge test prep for pilots and maintenance technicians. Same proven platform, new vertical — full question coverage and adaptive study tools from day one.
Cross-PlatformOffline ModeAdaptive LearningCloud SyncIn-App Payments
Coming Soon
The Engine Under the Hood
One platform. Every vertical. The full stack behind every app we ship.
Supabase & Data Layer
- Supabase (PostgreSQL) — Primary relational database with row-level security
- PowerSync — Offline-first sync engine — local SQLite ↔ Postgres
- Cloud Firestore — Real-time NoSQL for transactional & legacy data
- PostgREST — Auto-generated REST API from Postgres schema
- Firebase Storage — File & media hosting (images, PDFs, audio)
AI & Intelligence
- OpenAI GPT — AI tutoring, question generation, error validation
- Google Gemini — Multi-modal reasoning via Genkit
- Vertex AI — Enterprise ML pipelines & embeddings
- On-Device AI (Gemma) — Offline inference via Flutter Gemma / LiteRT
- Sherpa ONNX — On-device text-to-speech
- Natural Language Processing — Server-side NLP with fuzzy matching
Client Frameworks
- Flutter 3.38+ & Dart 3.10+ — iOS, Android, Web, macOS, Windows
- BLoC + Hydrated BLoC — Reactive state with offline persistence
- RxDart — Stream-based reactive programming
- Go Router — Declarative navigation & deep linking
- Next.js 15 & React 19 — Marketing site & web dashboard
Backend & Compute
- Cloud Functions v2 — Node 22 serverless API layer
- Cloud Pub/Sub — Event-driven async messaging
- Cloud Tasks — Background job scheduling & retries
- Google BigQuery — Analytics data warehouse & reporting
- GraphQL — Flexible query layer for complex data
Offline & Sync
- PowerSync + SQLite — Full offline read/write with background sync
- Hydrated BLoC — State persistence across app restarts
- Hybrid API Client — Routes queries to Firestore or PowerSync by domain
- Bidirectional Sync — Firestore ↔ Supabase reconciliation layer
Payments & Monetization
- RevenueCat — iOS, Android & macOS subscription management
- Stripe — Web & Windows payment processing
- Native IAP — Direct App Store & Play Store integration
- Google AdMob — Ad monetization with UMP consent
Auth & Security
- Firebase Auth — OAuth identity provider (email, social, magic link)
- Firebase App Check — API request attestation & abuse prevention
- reCAPTCHA Enterprise — Server-side bot detection
- Secure Token Storage — Platform-native credential management
Monitoring & Quality
- Sentry — Error tracking & performance monitoring (Flutter + Web)
- Firebase Crashlytics — Native crash reporting with stack traces
- Firebase Analytics — User engagement funnels & retention
- Custom Rust Linter — sea-trials-lint — codebase-specific static analysis
- cspell — Automated spell checking in CI
CI/CD & DevOps
- GitHub Actions — PR checks, Supabase migrations, PowerSync validation
- Codemagic — Flutter CI/CD — build, sign, deploy
- Melos — Dart monorepo orchestration (70+ packages)
- Turborepo — Web monorepo incremental builds
Cross-Platform
- iOS & Android — Native mobile via Flutter
- Web — Flutter PWA + Next.js marketing
- macOS & Windows — Desktop apps with MSIX distribution
- Firebase Hosting — Multi-site deploy targets (client, admin, marketing)
Admin & Content Ops
- Admin Dashboard — Flutter web app for content management
- Pluto Grid — Spreadsheet-style data tables
- PDF Generation — Client-side (pdf/printing) & server-side (pdf-lib)
- Excel Import/Export — Bulk content & tax report operations
70+ packages across a Dart & Node.js monorepo — managed with Melos, Turborepo, and GitHub Actions