Thibault Guillaume
Shopify apps for custom products - other and more
Thibault Guillaume is a French-based developer who entered the Shopify ecosystem in 2021. He specializes in creating tools for Forms, while also maintaining a portfolio that spans Email marketing, Analytics, and Product variants. Across his five active applications, he has accumulated a total of one review.
His flagship app, GTMailscheck, is designed to help merchants verify mailing lists for successful marketing campaigns. While this application has received one review, it is not designated as Built for Shopify. His broader portfolio reflects an expansion into diverse categories beyond his primary focus.
Thibault Guillaume is currently developing his footprint within the Shopify App Store. He continues to manage a full suite of five apps, prioritizing steady development across multiple functional areas.
5 published apps · 5 currently active
GTMailscheck
Verify your mailing lists for successful marketing campaigns
GTLayers
Product customizer with live preview, text, images and layers
GTOrderForm
Drag-and-drop form builder with email, WhatsApp, SMS
GTAdminHub
Order alerts, campaigns, pricing, returns and upsells
GTMailHygiene
Block disposable emails, clean lists, and flag risky orders.
Based on 1 verified reviews
Time to review
Top merchant geographies
United StatesAcross all apps
How Thibault Guillaume's apps stack up against the category leaders.
Developers with overlapping focus areas