Dedicated Merchant Support Desk

MCO Size Guide Support

Need assistance with MCO Size Guide for Shopify? Contact our support desk directly via email. We are here to help you configure charts, resolve technical inquiries, or assist with billing.

Monday–Friday, 9 AM–6 PM Puerto Rico time (AST, UTC−4)
Public Access · No Sign-In Required

Direct Support Contact

REACH THE APP DEVELOPER DIRECTLY

Support Email mcoweblab@gmail.com

Direct inbox monitored by the engineering team.

Support Operating Hours Monday–Friday, 9 AM–6 PM

Puerto Rico time (AST, UTC−4)

What to include in your message

HELPS US RESOLVE YOUR REQUEST ON FIRST CONTACT

To help us diagnose and resolve your inquiry as quickly as possible, please include the following details when emailing support:

1

Store URL

Your store's myshopify.com address (e.g. your-store.myshopify.com). This allows us to locate your installation records safely.

2

Short Description of the Issue

A brief description of what you were doing, what you expected to happen, and what happened instead. Any error message shown by the app is very helpful.

Optional Additional Context

If relevant, you may also include a link to the affected product page, theme name, or an attached screenshot demonstrating the issue.

Quick Email Template
Store URL (myshopify.com): 
Description of the issue: 

Security Notice: Please don't send passwords, staff account credentials, or your customers' personal information. We never require merchant passwords or customer data to provide support.

Public Help Desk Access

OPEN TO ALL MERCHANTS · NO SIGN-IN REQUIRED

This support page is completely open and public. You do not need to log in to Shopify, create a third-party ticketing account, or enter credentials to view support resources or contact our team. Prospective merchants, active subscribers, and partners can all reach us directly at mcoweblab@gmail.com.

Plans and billing

SHOPIFY UNIFIED INVOICING

Shopify bills all MCO Size Guide subscriptions ($9.99 USD/month Standard or $19.99 USD/month Large Catalog) directly through your existing Shopify invoice. Both plans include a 14-day free trial and up to 500 size charts, including archived charts. You can view, manage, or cancel your plan at any time through the app's settings in your Shopify admin. For questions regarding a charge, email us with your store's myshopify.com address.

Your data and privacy

APP PRIVACY & RETENTION PRACTICES

MCO Size Guide is engineered with strict merchant and shopper privacy standards. The app does not track, collect, or store any personal data from your store's customers. All merchant configuration data is retained solely to operate your size charts and is automatically deleted within 48 hours if you uninstall the app.

Review our complete data retention rules, compliance practices, and Shopify GDPR/CCPA webhooks in our official privacy policy:

CONCIERGE ONBOARDING

Need help auditing and converting messy supplier charts?

We offer a dedicated 1-on-1 setup service where we audit your supplier spreadsheets, convert units, build your charts, and link them to your collections.

Explore Setup Service →