Side by side
Plug In SEO vs SEO System
Both stand on ecommerce seo software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial Web
Plug In SEO bundles store audits with metadata, structured data, and broken-link tools. Review the plan page limits and monthly costs against the size of your store.
Visit Plug In SEO Paid Web
SEO System focuses on generated product metadata with review, versioning, and deliberate publishing. Its per-confirmation billing and workspace controls fit teams that want usage tied to approved changes.
Visit SEO SystemThe facts
| Plug In SEO | SEO System | |
|---|---|---|
| Free plan | A free trial | No |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | Lite: $29.99 a month | Platinum: $1.59, paid once |
| Plans published | 3 | 4 |
| Maker | Not published | Not published |
| Website | pluginuseful.com | seosystem.app |
| On ecommerce seo software | #23 of 28 | #27 of 28 |
Plug In SEO: what it does well
- Audits product pages, collections, blog posts, and homepage
- Bulk title and meta description templates
- Adds JSON-LD structured data to products and collections
- Seven-day trial requires no credit card
What to know first
- No free plan
- Lite scans up to 200 pages
- AI keyword research has plan-specific page quotas
- Paid plans are billed every 30 days
SEO System: what it does well
- Supports three active ecommerce integrations
- Draft, review, and controlled publishing workflow
- Version history with restorable snapshots
- Per-action billing without recurring subscription
- Multiple workspaces and role-based access
What to know first
- No free plan
- BigCommerce not publicly activated
- Plans limit catalog capacity and AI attempts
- Descriptions are disabled by default
Alternatives to Plug In SEO Alternatives to SEO System The whole list