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Elizabeth Stein
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Case study

experimental2025

Competitor Stalker

Competitive analysis tool for tracking competitor websites, features, and market positioning.

Where wild ideas take flight and curiosity leads

Field notes

Role

Creator

Read order

Evidence first, then constraint → build → proof. Use the chapter rail to jump sections; orbit to adjacent work from the bottom of the case study.

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Evidence

Interface & evidence

A real surface area—not a mock. Scroll the story below for constraint, build, and outcome.

Signature viewcompetitor-stalker.vercel.app
Competitor Stalker application interface
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competitor-stalker.vercel.app

Story arc

How this shipped

Where wild ideas take flight and curiosity leadsThree beats: what pressed against the work, how the stack answered, and what changed once it was live.

I · Constraint

The brief

Competitive intelligence requires constant manual monitoring. Feature changes, pricing updates, and positioning shifts are easy to miss.

II · Build

The craft

Built automated monitoring with change detection, pricing tracker, and feature comparison matrix. Weekly digests highlight significant changes.

III · Proof

What moved after launch

Automated monitoring catches changes within 24 hours. Change history shows competitor strategy evolution. Weekly digests replace manual reconnaissance.

Inventory

Stack & signals

Next.jsPlaywrightTypeScript
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Tell me what you're building

If you need someone who can own UI, systems, and AI integration without losing the plot—I'm listening. Contract, advisory, or full-time: we'll find the right shape.

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© 2026 Elizabeth Stein

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