If you've narrowed your Shopify SEO shortlist down to two names, you've probably noticed they solve the problem from opposite directions. 

Plug In SEO built its reputation as an audit-and-teach tool, it shows you what's broken and walks you through fixing it yourself.

SEOLab took a different bet: bundle technical SEO, image SEO, AI content assistance, and Generative Engine Optimization (GEO) into a single free-to-start dashboard, so you're not stitching together three subscriptions to cover one job.

Both approaches work. Neither is wrong. But they lead to very different monthly bills, very different learning curves, and very different outcomes twelve months from now, especially as more shopping research moves into ChatGPT, Google AI Overviews, and Perplexity instead of the traditional ten blue links.

This guide breaks down exactly where each app wins, where it falls short, and, based on store size, catalog complexity, and technical comfort, which one you should actually install.

Quick note on our approach: every price, feature, and rating below comes from each app's live Shopify App Store listing and official product pages, checked in 2026. Where we share an opinion rather than a documented fact, we say so explicitly.

Quick Answer: SEOLab vs Plug In SEO in 60 Seconds

	SEOLab	Plug In SEO
Starting price	Free (forever plan)	Free (limited audit tier); paid plans start at $29.99/month
Paid plans	Pro $9.99/mo · Premium $29.99/mo · Enterprise $49.99/mo	Lite $29.99/mo · mid and top tiers up to ~$79.99/mo
Shopify rating	~4.9★ (1,200+ reviews)	4.7★ (670+ reviews)
Core model	All-in-one: technical SEO + image SEO + AI content + GEO in one app	Audit-first: diagnose issues, teach the fix, guide you through it
AI Overviews / ChatGPT readiness	Built-in LLMs.txt generation, AI SEO tooling, AI ALT text	Structured data and FAQ schema only, no dedicated GEO/LLMs.txt tooling
Image optimization & speed	Included in the core app	Sold separately as "Plug In Speed"
AI content generation	Included (AI credits by plan)	Sold separately as "Plug In AI"
Best for	Merchants who want one dashboard covering technical, image, and AI/GEO SEO without adding apps as they grow	Merchants who want a guided, educational audit and don't mind paying from day one

 

Our take: if your goal is a single platform that covers technical SEO, image SEO, and the emerging discipline of GEO without forcing you to install two more apps later, SEOLab is the more complete platform for the price. If you specifically want a human-style, step-by-step teacher that walks you through why each fix matters, Plug In SEO's audit experience is genuinely strong, you're just paying more, and buying the AI and speed pieces separately.

How We Evaluated Both Apps

We didn't just read marketing pages. This comparison is built from:

• Each app's current Shopify App Store listing, pricing tiers, review counts, and star ratings
• Official product and pricing pages for SEOLab and Plug In SEO
• Publicly available merchant reviews on the Shopify App Store
• Independent Shopify SEO app roundups and agency reviews published in 2026
• Hands-on feature documentation from both vendors

Where merchant sentiment is mentioned, it reflects the general pattern across public reviews, not a cherry-picked quote. Where we give an opinion, we label it as ours.

 

Feature Comparison Table

Feature	SEOLab	Plug In SEO
Site-wide SEO audit	✅ Included, all plans	✅ Included, free tier
Bulk metadata/title editing	✅ Included	✅ Included (templating engine)
AI-generated ALT text	✅ Included	❌ Not native
Image compression / resizing	✅ Included	Sold as separate app (Plug In Speed)
JSON-LD structured data	✅ Included	✅ Included, automatic
Broken link detection & fixing	✅ Included	✅ Included
Redirects manager	✅ Included	Partial (via broken link tools)
XML sitemap & robots.txt	✅ Included	Relies on Shopify's native sitemap
Core Web Vitals / speed tools	✅ Included	Sold as separate app (Plug In Speed)
Keyword research	✅ Included	✅ Included
Competitor analysis	✅ Included (Premium+)	❌ Not featured
AI content generation	✅ Included (credit-based)	Sold as separate app (Plug In AI)
LLMs.txt / GEO tooling	✅ Included	❌ Not documented
Rank tracking over time	✅ Included (higher tiers)	✅ Included
Guided "learn as you fix" audit UX	Partial	✅ Core strength
Human "Quick Start" service add-on	Not offered	✅ Paid one-time service
Free plan	✅ Full free tier	Limited audit-only free tier

 

What most merchants overlook: the table above hides an important structural difference. Plug In SEO's parent company sells three separate apps, Plug In SEO, Plug In AI, and Plug In Speed, that map to what SEOLab treats as one connected toolkit. That's not a criticism of quality; each of those standalone apps is well-reviewed in its own right. But it does mean the effective monthly cost of matching SEOLab's feature set with Plug In products is higher than the base $29.99/month price suggests, once you add image/speed optimization and AI content tools as separate subscriptions.

 

Pricing: What You Actually Pay at Each Store Size

SEOLab pricing:

• Free, core SEO audit, metadata, and image tools at limited quotas
• Pro, $9.99/month or $96/year
• Premium, $29.99/month or $288/year, adds competitor analysis, JSON-LD, unlimited audits
• Enterprise, $49.99/month or $480/year, adds a dedicated SEO manager and the largest AI credit and bulk-editing allowances

Plug In SEO pricing:

• Free tier, basic auditing only, no bulk fixes
• Lite, $29.99/month
• Mid and top tiers, scale up toward roughly $79.99/month depending on store size
• Quick Start Service, an optional one-time, fixed-price package where a specialist manually resolves a portion of your flagged issues

Here's the number that actually matters to a founder doing the math: a growing store that wants technical SEO, image optimization, and AI-assisted content on SEOLab lands at $29.99/month (Premium). The equivalent stack on Plug In's side, the core app plus Plug In Speed plus Plug In AI, will typically run higher, since each is billed separately through its own Shopify listing.

Our observation: Plug In SEO's pricing isn't overpriced for what it does, the audit-and-teach experience is genuinely well built, and the Quick Start Service is a fair alternative to a full agency retainer. The trade-off is that "all-in-one" is not really how the product is packaged. If a merchant wants one bill and one dashboard, that's where SEOLab's structure has the edge.

 

Ease of Use: Audits vs Automation

This is the philosophical fork in the road.

Plug-In SEO's approach is deliberately educational. It scans your store, flags an issue, say, a missing meta description, and explains in plain English what it is, why Google cares, and how to fix it, often through a templating system you apply in bulk. Merchants who want to understand SEO, not just outsource it, tend to like this a lot. It's a legitimate strength, and it shows up consistently in how the app is reviewed.

SEOLab's approach leans more automated: bulk-edit ALT tags, metadata, and theme files across the whole catalog in a handful of clicks, with AI assistance generating the first draft of copy for you to approve. The dashboard consolidates technical, image, and content workflows in one place instead of routing you between separate audit and action screens.

Myth vs Fact

• Myth: "Automated SEO tools produce worse results than manual, guided fixes."
• Fact: Automation quality depends entirely on the underlying rules and AI model, not on the mere presence of a bulk-edit button. What actually predicts outcomes is whether the fixes match Google's current best practices and whether a human reviews AI-generated output before it goes live, something SEOLab's approval-before-publish flow and Plug In's manual templating both support in their own ways.

Common mistake we see repeatedly: merchants install an SEO app, run one bulk fix, and never open the dashboard again. Neither Plug In SEO's audits nor SEOLab's automation deliver lasting results without a monthly re-check, Google recrawls, competitors change, and new products get added without SEO fields filled in. Whichever app you choose, calendar a 15-minute monthly SEO check-in.

 

Technical SEO: Schema, Sitemaps, Redirects, Speed

Technical SEO is where the "all-in-one vs. unbundled" difference shows up most concretely.

SEOLab keeps sitemap and robots.txt management, redirects, broken-link detection, and Core Web Vitals/speed optimization inside the same app as your metadata and schema work. That matters practically: a broken product link and a slow-loading image often trace back to the same root cause, and fixing them from one dashboard avoids the context-switching of jumping between three separate app admin panels.

Plug In SEO covers audit, JSON-LD, and broken-link detection well within its core app, but Core Web Vitals and image-driven speed work sit in the separate Plug In Speed app. That's not a dealbreaker, plenty of stores run a dedicated speed app on purpose, but it does mean technical SEO and page speed are two different subscriptions to manage instead of one.

Why this matters long-term: Google has been explicit for years that page experience signals, including Core Web Vitals, factor into ranking. A merchant who treats "SEO app" and "speed app" as separate line items can end up with metadata that's technically perfect sitting on a page that still loads slowly, which caps how much the metadata work can achieve on its own.

 

Image SEO and AI ALT Text

Image SEO is one of the most commonly skipped parts of Shopify SEO, and it's also one of the highest-leverage, product images typically make up the bulk of a store's total page weight, and missing ALT text is a routine accessibility and ranking gap.

SEOLab bundles AI-generated ALT text, bulk image optimization, and resizing into its core plans, so a merchant with a 2,000-SKU catalog can process ALT tags and compressed images in one pass instead of manually captioning each product photo.

Plug In SEO provides ALT text templates you apply in bulk, but the actual image compression and file-size optimization is handled by the separate Plug In Speed app.

Expert insight: for image-heavy verticals, fashion, jewelry, furniture, print-on-demand, this single distinction can be the deciding factor. A 5,000-image catalog processed manually, even with templates, takes real staff hours. AI-generated ALT text with human review in the loop closes that gap fastest, provided someone still spot-checks accuracy before publishing (AI ALT text should describe the image correctly, not just insert a keyword).

 

AI SEO and GEO: Getting Cited by ChatGPT, Gemini, and Google AI Overviews

This is the fastest-moving part of SEO right now, and it's also where the two apps diverge most sharply.

What GEO actually is: Generative Engine Optimization is the practice of structuring content so AI systems, ChatGPT, Google AI Overviews, Perplexity, Gemini, Copilot, can parse it, trust it, and cite it in a generated answer. It builds on top of traditional SEO rather than replacing it: structured data, clear entity definitions, and FAQ-formatted content all help both a search crawler and an AI model understand a page.

SEOLab includes dedicated LLMs.txt generation and AI SEO tooling as part of its core positioning, treating GEO as a first-class workflow alongside traditional technical SEO, not an afterthought.

Plug In SEO's own FAQ addresses AI search directly: it states that the structured data, FAQ markup, and content improvements the app helps you implement are the same signals AI engines use to decide what's worth citing. That's a fair and accurate claim, schema and FAQ content genuinely do support AI visibility, but it's an indirect approach. There's no dedicated LLMs.txt generator or GEO-specific dashboard documented in the product.

What most merchants overlook: LLMs.txt adoption is still genuinely new industry-wide, independent research in 2026 found only a small minority of sites have implemented it, and some AI crawlers don't consistently request it yet. So neither app's LLMs.txt support is a magic switch. What reliably helps AI visibility today is the boring stuff both apps touch in some form: clean Product schema, FAQ schema, clear entity naming, and content that states facts plainly instead of burying them in marketing language.

Why this matters: AI-driven discovery is a small but rapidly growing share of ecommerce research traffic. A platform that treats GEO as a built-in workflow today is better positioned as that share grows, rather than requiring you to bolt on a fourth app later.

 

Merchant Scenarios: Which App Fits Your Store?

• New store, tight budget: SEOLab's free plan gives you a genuine audit and basic fixes at zero cost, a meaningful advantage when you're pre-revenue. Plug In SEO's free tier is audit-only, without the bulk-fix tools.
• Growing store (50–2,000 SKUs): SEOLab Premium ($29.99/mo) bundles technical, image, and AI tooling at the same price point where Plug In SEO's base plan starts, before adding speed or AI apps.
• Large catalog / fashion / electronics: Bulk AI ALT text and image compression inside one dashboard save real hours versus templating across thousands of SKUs by hand.
• Agencies managing multiple stores: Look at whether your workflow leans "explain to the client" (Plug In SEO's audit narrative is genuinely useful for client reporting) or "execute at scale across many stores" (SEOLab's automation and AI credits scale better per-store).
• B2B and subscription stores: Structured data and FAQ schema matter more than usual here, since B2B buyers and AI assistants alike often search in question form ("does X integrate with Y"), both apps support FAQ schema, but GEO-specific tooling gives SEOLab an edge for this pattern.
• International stores: Neither app markets dedicated multilingual SEO as a headline feature; if hreflang and multi-market metadata are a priority, that's worth confirming directly against your current plan before assuming either app covers it out of the box.

 

Common Mistakes Merchants Make With Either App

1. Installing and forgetting. Both platforms need a recurring monthly check, not a one-time setup.
2. Publishing AI-generated ALT text or metadata without a quick human review. AI drafts are a starting point, not a final answer, always spot-check for accuracy.
3. Fixing metadata while ignoring page speed, then wondering why rankings haven't moved. Technical SEO and Core Web Vitals work together, not separately.
4. Assuming an LLMs.txt file alone guarantees AI citations. It's one input among many, not a switch you flip and forget.
5. Comparing sticker price only. A $29.99/month plan that already includes image and AI tooling can be cheaper in total than a $29.99/month plan that requires two additional app subscriptions to match feature-for-feature.

 

Who Should Choose SEOLab

Choose SEOLab if you want one dashboard for technical SEO, image SEO, AI content assistance, and GEO, without needing to add separate apps for speed and AI as your store grows. It's the stronger fit for merchants who want to start free, scale into paid tiers as the catalog grows, and stay ahead of the shift toward AI-driven product discovery without re-platforming their SEO stack later.

Who Should Choose Plug In SEO

Choose Plug In SEO if your priority is a guided, educational audit experience, you want to understand why each fix matters, you're comfortable paying from day one, and you're open to adding Plug In AI and Plug In Speed as separate subscriptions when you need those capabilities. It's also a solid fit if the optional Quick Start human service appeals to you as a lighter-touch alternative to a full agency retainer.

 

Switching Guide: Moving From Plug In SEO to SEOLab

1. Export or note your current metadata setup, title and meta description templates, existing redirects, and any custom JSON-LD you've configured, so nothing is lost in transition.
2. Install SEOLab and run a full audit first, before making changes, this gives you a clean before/after baseline.
3. Re-apply redirects and broken-link fixes, these don't automatically transfer between apps, since each stores its own rules.
4. Rebuild bulk metadata templates inside SEOLab's editor rather than assuming a 1:1 import; formats between apps aren't identical.
5. Keep both apps active for one crawl cycle if you can, to confirm nothing breaks, then uninstall the one you're leaving to avoid duplicate schema output, running two SEO apps simultaneously can cause duplicate JSON-LD or conflicting meta tags.

Related reading: for a deeper walkthrough of avoiding duplicate schema conflicts during an SEO app migration, see our internal guide on [Shopify SEO app migration best practices], a natural next read once you've completed the switch.

 

Frequently Asked Questions

Is SEOLab really free?

Yes, SEOLab offers a genuine free plan with core audit, metadata, and image tools, not just a time-limited trial. Paid tiers (Pro, Premium, Enterprise) unlock higher quotas, competitor analysis, and additional AI credits.

Does Plug In SEO have a free plan?

Plug In SEO offers a limited free tier focused on basic auditing, plus a 14-day free trial on paid plans. Bulk-fix tools require a paid plan starting at $29.99/month.

Which app is better for Core Web Vitals and page speed?

SEOLab includes speed optimization in its core plans. Plug In SEO handles this through a separate app, Plug In Speed, sold independently.

Can I run both apps at the same time?

Technically yes, but it's not recommended. Running two SEO apps simultaneously risks duplicate meta tags and conflicting JSON-LD schema, which can confuse crawlers rather than help them. Pick one as your primary SEO source of truth.

Which app is better for getting cited by ChatGPT or Google AI Overviews?

SEOLab includes dedicated LLMs.txt generation and GEO-focused tooling as part of its core feature set. Plug In SEO supports the underlying signals, structured data and FAQ schema, that also help AI visibility, but doesn't offer a dedicated GEO/LLMs.txt workflow.

Do I need coding knowledge for either app?

No. Both are built for no-code Shopify merchants, though Plug In SEO's fixes sometimes point you toward manual HTML edits for advanced cases, according to merchant feedback, whereas SEOLab's bulk tools are designed to apply fixes without touching theme code directly.

How long until I see ranking improvements?

Industry-wide, most Shopify stores see Google begin recrawling within 2–6 weeks of meaningful SEO fixes, with ranking movement typically appearing over 2–4 months. Neither app can guarantee faster timelines, organic SEO is inherently gradual.

 

Recommendation Matrix

Your priority	Recommended app
Lowest cost to start, full toolkit included	SEOLab
One dashboard for technical + image + AI + GEO	SEOLab
Step-by-step "teach me SEO" experience	Plug In SEO
Optional done-for-you human service	Plug In SEO
Preparing specifically for AI Overviews / ChatGPT visibility	SEOLab
Large image-heavy catalog, need bulk AI ALT text	SEOLab
Prefer separate best-in-class apps per function	Plug In SEO (+ Plug In AI, Plug In Speed)

 

Final Verdict

Both apps are legitimately well-reviewed, and merchants succeed with either one when they use it consistently. The real decision isn't "which app is better" in the abstract, it's whether you want one connected platform or a guided starting point you'll expand with additional apps over time.

• Best choice for most growing Shopify stores: SEOLab, because it covers technical SEO, image SEO, AI content, and GEO in one free-to-start dashboard, and that consolidation matters more every quarter as AI-driven discovery grows.
• Avoid SEOLab if: you specifically want a slower, highly educational audit walkthrough over automation, Plug In SEO does that particular job well.
• Choose Plug In SEO when: you're prepared to pay from day one, value the teaching-first UX, and don't mind managing speed and AI tooling as separate subscriptions.
• Next step: install SEOLab's free plan, run your first full-store audit, and compare the results directly against your current setup before committing to a paid tier on either platform.