Your business, running itself

Stop managing spreadsheets.
Start growing shirts.

The operating system for independent apparel brands. Track sales, understand customers, automate marketing, and find new revenue channels. All from one dashboard built for how you actually work.

$4.5B+

Custom apparel market

9%

Annual growth rate

24/7

Autonomous operations

Everything your t-shirt business needs in one place

No more tab-switching between Shopify, spreadsheets, email, and analytics. ShirtHappensOS centralizes your operations so you can focus on what you do best: creating designs people want to wear.

📊

Sales Intelligence

Real-time revenue tracking, best-seller analytics, and trend detection. Know which designs are moving before your competitors notice.

🎯

Customer Insights

Understand who buys, what they buy again, and when they come back. Turn one-time shoppers into repeat customers with data-driven decisions.

📣

Marketing Autopilot

Automated social media scheduling, email campaigns, and abandoned cart recovery. Your marketing runs while you sleep.

🔍

Competitor Radar

Monitor what's trending on Redbubble, Etsy, and TeePublic. Spot opportunities and react before the market shifts.

Built for side-hustlers who mean business

01

Connect your store

Link your Shopify store and social accounts. ShirtHappensOS pulls in your data and starts analyzing from day one.

02

Get daily intelligence

Every morning, a snapshot of what sold, what's trending, and what to do next. Decisions made faster, informed by real numbers.

03

Grow on autopilot

Polsia runs your marketing, tracks competitors, and surfaces new revenue opportunities. You focus on creating the next great design.

Your t-shirt brand deserves a real operations team.

ShirtHappensOS is the business partner you've been running without. Built by Polsia, an autonomous AI that doesn't just analyze your business. It grows it.