SEOLab: ChatGPT Claude AEO SEO vs Zelium ‑ AI Discoverability
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026 for SEOLab, Oct 14, 2026 for Zelium.
The short answer
- Only Zelium lists a free plan.
- Zelium lists 5 features SEOLab’s listing doesn’t mention, including ALT text, Content optimization, Metadata optimization.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
Starter
Growth
Scale
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureStruggling to get your Shopify store discovered by AI search engines? GPTLab is your AI visibility and indexing command center, designed to help your store get found by AI assistants and search engines—no technical skills required! GPTLab helps merchants manage the key signals that AI platforms and search engines use to understand, crawl, and discover a store.
Are your products showing up in AI tools like ChatGPT or Gemini? More people now use AI before they buy, but many stores are still invisible to AI platforms. Zelium helps Shopify merchants make products easier to find on AI platforms. It scans product data, shows an AI Discoverability Score, and highlights missing details that confuses AI Engines.
- Automate outreach to AI platforms like ChatGPT, Claude, Gemini, and more.
- Generate JSON-LD and LLMs.txt to improve visibility.
- Quickly submit new store updates to search engines using IndexNow.
- Track AI-driven traffic through GA4 insights.
- AI Discoverability Score for every product and store
- Product data quality verification and suggested fixes
- AI-ready product content, meta-data improvements
- AI product feed JSON and llms.txt, ai-sitemap.xml, robots-hints.txt publishing
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  SEOLab |  Zelium |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | SEOLab | Zelium |
|---|---|---|
| App Store rating | 4.9 ★ | Not published |
| App Store reviews | 369 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | 0% | Not enough data |
FAQ
SEOLab and Zelium: common questions
- Is SEOLab or Zelium cheaper?
- Only Zelium lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- SEOLab lists 4 the others don’t mention, such as Page indexing, SEO score, Tracking, Website traffic. Zelium lists 5 the others don’t mention, such as ALT text, Content optimization, Metadata optimization, Reporting. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 8, 2026 for SEOLab, Oct 14, 2026 for Zelium; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 8, 2026 for SEOLab, Oct 14, 2026 for Zelium. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.