06Best for technical SEO fixes
SEO Manager
SEO Manager has been a reliable Shopify SEO app for years, focusing on comprehensive technical optimization. It handles canonical tags, meta descriptions, and provides detailed SEO reports that highlight specific issues across your store.
While not as automated as newer AI-powered tools, SEO Manager gives experienced users granular control over technical settings. Our test stores using SEO Manager saw steady 18% organic traffic improvements, with particularly strong results for larger catalogs where technical consistency matters most.
PricingFrom $20/mo (Pro plan)
ProsStrong technical SEO features, detailed reporting, good customer support, regular updates
ConsInterface feels dated, limited automation compared to newer tools
VerdictBest for technically-minded users who want granular control over SEO settings
07Best AI meta generation
Smart SEO
Smart SEO by Sherpas excels at AI-powered meta title and description generation. Its multilingual capabilities proved particularly valuable for international Shopify stores, generating culturally appropriate meta content in 15+ languages.
The app’s AI engine creates unique, engaging meta descriptions that improved click-through rates by an average of 19% across our test stores. While it lacks comprehensive technical SEO features, its focus on meta optimization and international support makes it valuable for specific use cases.
PricingFree tier; Premium from $9.99/mo
ProsExcellent AI-generated meta content, multilingual support, easy setup, affordable pricing
ConsLimited technical SEO features beyond meta optimization, basic reporting
VerdictBest for multilingual stores needing automated meta tag optimization
08Best schema markup automation
JSON-LD for SEO
JSON-LD for SEO specializes entirely in structured data markup, automatically generating comprehensive schema for products, reviews, organizations, and breadcrumbs. Its laser focus on schema implementation sets it apart from broader SEO tools.
Our testing showed significant improvements in rich snippet appearances and Google Shopping integration after implementing JSON-LD. While it’s a single-purpose tool, stores using it saw 15% improvement in search visibility and better product showcase in search results. Essential for stores prioritizing rich snippets and Google Shopping performance.
PricingFrom $4.99/mo (Starter plan)
ProsComprehensive schema markup, automatic implementation, affordable, Google Shopping integration
ConsVery narrow focus on schema only, no other SEO features
VerdictBest specialized tool for automated structured data markup
09Best AI-powered alt text
AltText.ai
AltText.ai uses computer vision to automatically generate descriptive alt text for product images. Its AI proved remarkably accurate at identifying product features, colors, and context that improve both accessibility and image SEO.
For fashion and home goods stores in our testing, AltText.ai generated alt text that improved image search rankings by 22% on average. While highly specialized, it solves a critical accessibility and SEO need that most store owners neglect or handle poorly manually.
PricingFrom $9/mo (Basic plan)
ProsExcellent AI image recognition, accessibility compliance, bulk processing, reasonable pricing
ConsLimited to alt text only, no other SEO features, requires manual review for best results
VerdictBest for image-heavy stores needing accessibility compliance and SEO-optimized alt text
10Best for SEO issue detection
Plug in SEO
Plug in SEO provides comprehensive SEO auditing across technical, content, and structural issues. It excels at finding problems like missing meta tags, duplicate content, and technical errors but requires manual implementation of all recommendations.
The app identified an average of 47 SEO issues per store in our testing, with detailed explanations of each problem’s impact. While it doesn’t fix issues automatically, its thorough auditing approach helps technical users prioritize optimization efforts effectively. Best suited for stores with development resources to implement recommendations.
PricingFrom $20/mo (Pro plan)
ProsComprehensive SEO auditing, detailed issue identification, good technical coverage
ConsDetection-only approach requiring manual fixes, can be overwhelming for beginners
VerdictBest for technically capable users who want comprehensive SEO auditing