Financial SaaSProduction App
Visit LiveSubTrace — Subscription & Recurring Expense Tracker
Modern SaaS financial tracker analyzing monthly run rate, annual commitments, renewal calendars, and overdue payment alerts.

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Executive financial dashboard with MRR, annual commitments, and renewal alert badges.
Project Overview
SubTrace is a high-performance recurring expense management platform built to give developers, founders, and consumers complete clarity over recurring software, cloud infrastructure, and household commitments.
Key Capabilities & Features
- Real-time Monthly Run Rate (MRR) and 12-month annual commitment financial forecasting.
- Renewal calendar with urgency triggers (Overdue, Due in 7 Days, Active, Paused, Cancelled).
- Categorized portfolio analysis tracking spend across SaaS, Cloud Infrastructure, Utilities, and Entertainment.
- Dual View system with Apple-style high-density Grid View and sortable Data Table View.
Architecture & Engineering Highlights
- [1]Local-first privacy architecture: zero financial credentials or bank logins required to maintain absolute user privacy.
- [2]Apple Human Interface Guidelines (HIG) aesthetic with fluid light/dark mode transitions and tabbed analytics.
- [3]Resilient PWA design with safe-area notch awareness for desktop, tablet, and iOS devices.
Built With
Frontend
Next.js 16React 19TypeScriptTailwind CSSLucide Icons
Architecture
Local-First PersistenceHydration GuardingResponsive Safe-Area Layouts
Analytics
Deterministic Cashflow ProjectorRun-Rate Aggregator
Deployment
VercelCI/CD Auto-Deploy