trading stocks position sizing fintech Flutter GetX RevenueCat mobile app Fintech Stocks
Position Pal Stock Market Calc
Flutter (Android & iOS)
Google Play + App Store 1K+ installs 4.0★
About
Stock and index position-sizing companion for risk planning, guided calculations, and quick lookup workflows.
Problem
Traders need clear timing, disciplined execution, and fast access to utility tools directly on mobile.
Solution
Delivered a Flutter-first mobile stack with reusable modules, API integration, state management, and release workflows.
Outcome
Production release completed across Google Play + App Store. 1K+ installs · 4.0★ rating.
My Role
Shipped full product from calculation UX and stock lookup to saved presets, exports, and monetization flows.
Core Capabilities
- Guided risk and position-size calculators
- Stock lookup across major US exchanges
- Saved configuration presets with export support
- Premium features including ad-free experience
Architecture
- Flutter + GetX state architecture
- Local persistence with get_storage
- Loader overlay and UX feedback hooks
- Platform-billing integration pipeline
Tech Stack
Flutter GetX get_storage loader_overlay AdMob RevenueCat