AI StockAlert

Windows desktop app for real-time stock alerts via WhatsApp and Windows notifications

Production

Video Walkthrough

Screenshots

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Moving From Market Noise to Actionable Signal — hero slide with laptop and WhatsApp phone

The Trap of Manual Monitoring — the gap between wanting to know and finding out in time

Why Traditional Tools Fail — email alerts buried, push notifications swiped away, terminals cost $20-$200/month

The Message You Actually Check — WhatsApp alert on phone, the app you check 50+ times a day

Intelligent Background Monitoring — auto-starts with Windows, filters for market hours, instant delivery

A Business Model That Respects the User — one-time purchase, bring your own key, no subscription fatigue

Your Data Stays on Your Device — local first, no cloud accounts, API keys never leave your machine

Beyond Code: A Case Study in Product Strategy — pain points mapped to real solutions

Trust-Building Commerce — the anti-SaaS model with no forced retention, no account creation, no hidden fees

The Bottom Line — solves a manual problem, leverages WhatsApp, respects the user's wallet and privacy

The Challenge

Active traders need to monitor multiple stock positions simultaneously but can't watch screens all day. Existing solutions are too complex, require expensive subscriptions, or lack reliable mobile notifications that actually get seen.

The Solution

A professional Windows desktop application that monitors stock prices in real-time and sends instant alerts via both Windows toast notifications and WhatsApp messages when prices cross user-defined thresholds. It runs silently in the system tray with zero subscription fees.

Key Features

Real-time price monitoring for up to 15 stocks with configurable intervals and automatic market hours detection
Multi-channel alerts: Windows toast notifications with audio plus WhatsApp mobile messages via Twilio
Smart consolidated notifications — multiple alerts combined into a single notification per check cycle
Bilingual interface (EN/ES) with multi-currency display toggling between USD and MXN with live exchange rates
Background service runs silently in system tray — alerts work even when UI is closed, auto-starts with Windows

Results

Sub-2-second alert delivery from price change detection to notification
15 stocks monitored simultaneously on free tier
60 API calls/minute rate-limited token bucket for optimal Finnhub usage

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