Citelix: AI Search SEO and GEO 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 Oct 14, 2026.
The short answer
- Only Zelium lists a free plan. Paid plans start at $9/month for Citelix and $19/month for Zelium.
- Zelium lists 8 features Citelix’s listing doesn’t mention, including AI generation, ALT text, Analytics.
Head to head
Starter
- · 2 AI models (ChatGPT, Gemini)
- · 2 competitors tracked
- · 30-day citation history
- · 5 tracked AI search prompts
- · Brand mention rate + share of voice
- · Daily scans with real citations
Growth
- · 10 tracked AI search prompts
- · 2 AI models tracked (ChatGPT, Gemini)
- · 30-day citation history
- · 5 competitors tracked
- · All actions with opportunity scores
- · CSV export and change alerts
Pro
- · 10 competitors tracked
- · 12 tracked AI search prompts
- · 365-day citation history
- · 5 AI models (+ Perplexity, Claude, Grok)
- · Accuracy and hallucination detection
- · All alerts (overtake, accuracy, change)
Free
Starter
Growth
Scale
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureMost Shopify stores are invisible to AI search. When shoppers ask ChatGPT or Perplexity for product picks, your competitors show up and you don't. Citelix runs daily scans across 5 AI platforms with real-time web search. When a competitor wins a citation, we crawl both stores and show exactly why: schema gaps, review counts, content depth. Every recommendation references your actual Shopify products.
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.
- We scan your tracked prompts daily across ChatGPT, Gemini, Perplexity, Claude.
- Every scan uses real web search, so you see actual citations and sources.
- We compare your store against your competitors and show exactly what they have.
- You get specific, store-aware recommendations that reference your actual product
- 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 |  Citelix |  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 | Citelix | Zelium |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 1 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
Citelix and Zelium: common questions
- Is Citelix or Zelium cheaper?
- Only Zelium lists a free plan. Paid plans start at $9/month for Citelix and $19/month for Zelium. 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?
- Citelix lists 6 the others don’t mention, such as Competitor analysis, Content analysis, Meta tags, Rank tracking. Zelium lists 8 the others don’t mention, such as AI generation, ALT text, Analytics, APIs and webhooks. 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 Oct 14, 2026; 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 Oct 14, 2026. 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.