Theme Upgrade Buddy

Works with ANY theme. See exactly what changed between versions before you upgrade safely.

When you upgrade your Shopify theme version, custom code and styles may differ between versions. This app compares your current theme with a new version and shows every difference. Works with ANY theme, not just specific vendors. Files are grouped by risk level so you know what needs attention first. Review changes in a side-by-side diff viewer, copy custom code with one click, and download a report. Make informed decisions before publishing.

• Compare any two theme versions and instantly see every difference between them
• Side-by-side code viewer highlights exactly what changed in each file
• Files sorted by risk level so you tackle critical changes first
• Download a full report to track progress and share with your team
• One-click copy lets you move custom code to your new theme quickly