Alternatives · SEO Plugins
SEO King alternatives
As of Oct 23, 2026, the highest-graded SEO King alternative is StoreSEO (2.4 GPA). It's also the best free one.
SEO King compared with 7 alternatives: StoreSEO, Avada SEO Suite, TinySEO, Booster AI SEO + AEO Optimizer, Smart SEO and 2 more.
SEO King has a free plan. Paid plans start at $9.99 per month for up to 500 pages, billed every 30 days. 5 of the 7 alternatives are free or have a free plan. 2 more offer a free trial.
Listings checked up to Oct 23, 2026 · Where the facts come from
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| SEO KingThis tool | Free plan · from $9.99/mo | Yes | Web |
| StoreSEO | Free plan · from $14.99/mo | Yes | Web |
| Avada SEO Suite | Free plan · from $34.95/mo | Yes | Web |
| TinySEO | Free plan · from $14/mo | Yes | Web |
| Booster AI SEO + AEO Optimizer | Free plan · from $39/mo | Yes | Web |
| Smart SEO | Free plan · from $14.99/mo | Yes | Web |
| Plug in SEO | Free trial · from $29.99/mo | Trial only | Web |
| Yoast SEO for Shopify | Free trial · from $19/mo | Trial only | Web |
Price against what you get
SEO King starts at $9.99 a month and scores 2.7 out of 4 on features, ease of use and platforms. None of the 7 alternatives on this chart both scores higher and starts lower.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
How each one differs from SEO King
StoreSEO
Shopify SEO app for AI product copy, schema, images and rank tracking
- StoreSEO starts at $14.99 per month for up to 100 products, billed every 30 days.
- StoreSEO also covers AI search visibility.
- StoreSEO does not cover site audit, which SEO King does.
Suits: Small Shopify catalogs that fit within the 100- or 250-product plans
Avada SEO Suite
Shopify SEO app with AI audits, image compression and speed tools
- Avada SEO Suite starts at $34.95 per month, billed every 30 days.
- Avada SEO Suite also covers page speed.
- Avada SEO Suite does not cover rank tracking and content optimization, which SEO King does.
Suits: Shopify stores that want an SEO checklist with fixes applied for them
TinySEO
Shopify app for image compression, page speed and SEO fixes
- TinySEO starts at $14 per month for 1,500 image optimizations, billed every 30 days.
- TinySEO also covers page speed.
- TinySEO does not cover keyword research, rank tracking and content optimization, which SEO King does.
Suits: Shopify stores with heavy product images slowing pages down
Booster AI SEO + AEO Optimizer
Shopify app that audits and fixes store SEO and compresses images
- Booster AI SEO + AEO Optimizer starts at $39 per month, billed every 30 days.
- Booster AI SEO + AEO Optimizer also covers reports and page speed.
- Booster AI SEO + AEO Optimizer does not cover keyword research, rank tracking and content optimization, which SEO King does.
Suits: Shopify merchants who want SEO fixes applied without editing each product
Smart SEO
Shopify SEO app for AI meta tags, image optimization and JSON-LD
- Smart SEO starts at $14.99 per month, billed every 30 days.
- Smart SEO also covers backlink analysis, AI search visibility and page speed.
- Smart SEO does not cover keyword research, rank tracking and content optimization, which SEO King does.
Suits: Shopify stores that want meta tags and alt text written in bulk
Plug in SEO
Shopify SEO audit app with bulk fixes, keyword research and JSON-LD
- Plug in SEO starts at $29.99 per month for up to 200 pages scanned, billed every 30 days.
- Plug in SEO has no free plan, only a free trial, unlike SEO King.
- Plug in SEO does not cover rank tracking, which SEO King does.
Suits: Shopify owners who want a list of SEO problems with steps to fix them
Yoast SEO for Shopify
Yoast's Shopify app for live SEO analysis, AI meta tags and schema
- Yoast SEO for Shopify starts at $19 per month, billed every 30 days, ex VAT.
- Yoast SEO for Shopify has no free plan, only a free trial, unlike SEO King.
- Yoast SEO for Shopify also covers AI search visibility.
- Yoast SEO for Shopify does not cover keyword research, rank tracking and site audit, which SEO King does.
Suits: Shopify teams that write a lot of product and blog copy and want live guidance
Limits worth knowing in SEO King
- Works only on Shopify stores; it is installed from the Shopify App Store.
- AI text, auto-updating, bulk photo work, robots.txt, llms.txt and advanced JSON-LD all need a paid tier; tiers differ only in pages covered.
- Vision AI, translation, upscaling and background removal are paid per use from prepaid credits, or by an optional unlimited AI credits plan.
- A done-for-you Full-Service tier with expert setup and monthly strategy calls costs $95 a month or $595 a year, without theme work.
Common questions
What are the alternatives to SEO King?
The alternatives to SEO King in this directory are StoreSEO, Avada SEO Suite, TinySEO, Booster AI SEO + AEO Optimizer, Smart SEO, Plug in SEO and Yoast SEO for Shopify. Each one has a side-by-side comparison with SEO King.
Is there a free alternative to SEO King?
Yes. StoreSEO, Avada SEO Suite, TinySEO, Booster AI SEO + AEO Optimizer and Smart SEO have a free plan alongside paid ones.
When were these prices checked?
Every listing on this page was checked on Oct 23, 2026, against the pages it cites. Vendors change prices without notice, so confirm on their site before you buy.