Subject Matter
Shopify apps for shipping solutions - other and more
Subject Matter is a United Kingdom-based developer that entered the Shopify ecosystem in 2026. They specialize in shipping solutions, focusing exclusively on refining checkout experiences for merchants. The developer currently maintains a portfolio of one active app with a perfect average rating of 5.0 stars across all reviews.
Their flagship app, PostRules, allows merchants to filter shipping rates at checkout based on customer postcodes. This tool currently holds a 5.0-star rating based on two reviews. The developer’s portfolio remains concentrated within the shipping solutions category.
Subject Matter is defined by a commitment to high-quality performance and customer satisfaction, evidenced by their flawless average rating. While their current suite is focused on specialized shipping logic, their entry into the marketplace demonstrates a clear focus on utility and precision. They continue to provide reliable solutions for Shopify merchants seeking granular control over their shipping settings.
1 published apps · 1 currently active
Based on 2 verified reviews
Time to review
Top merchant geographies
New ZealandAcross all apps
How Subject Matter's apps stack up against the category leaders.
Developers with overlapping focus areas