Index AI: GEO & AI Visibility vs LLM Socket
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 28, 2026 for Index AI, Oct 13, 2026 for LLM Socket.
The short answer
- Only Index AI lists a free plan. Paid plans start at $9.99/month for Index AI and $9/month for LLM Socket.
- Index AI lists 9 features LLM Socket’s listing doesn’t mention, including AI generation, Analytics, Audits.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Starter
- · AI channel readiness checklist
- · Catalog eligibility, attributes, GTIN
- · Crawler access check (robots.txt)
- · Product data check for all products
- · Structured data embed and live audit
Growth
- · 300 AI texts per month
- · AI SEO titles and meta descriptions
- · AI image alt text
- · AI product descriptions and titles
- · Cited sources and before/after trend
- · Everything in Starter
Professional
- · 1,500 AI texts per month
- · AI traffic & revenue from orders
- · Asks ChatGPT, Gemini
- · Everything in Growth
- · IndexNow auto-submit (Bing, Copilot)
- · Store FAQ with customer questions
Enterprise
- · 6,000 AI texts per month
- · Asks ChatGPT, Gemini, Perplexity
- · Competitor share of voice (up to 5)
- · Everything in Professional
- · Product Q&A on product pages
- · Visibility: 15 questions x2, 4 runs/mo
Up to 100 products
Up to 500 products
Up to 10,000 prod.
Unlimited products
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureShoppers ask ChatGPT, Gemini and Copilot what to buy, and Shopify shares your products with them through Shopify Catalog. Index AI checks every product for what they need: category, attributes, GTIN, descriptions and the policies ChatGPT requires. AI rewrites use only your store data and flag what is missing.
Generate AI-optimized Schema.org markup for ChatGPT, Perplexity, and Google Gemini. Structured product data helps AI assistants recommend your products to shoppers. See your AI Visibility Score instantly. Identify missing schema elements per product. One-click activation adds optimized JSON-LD to all product pages automatically. Google's new AI shopping features require structured data.
- Generate llms.txt files for AI crawler compatibility
- Submit URLs instantly via IndexNow protocol
- Add Schema structured data for rich AI results
- Track your AI Readiness Score with insights
- AI-Optimized Schema: JSON-LD structured data for ChatGPT, Perplexity & Gemini.
- One-Click Setup: Enable schema for all products instantly. No coding needed.
- AI Visibility Score: See your store's AI readiness and tips to improve.
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 |  Index AI |  LLM Socket |
|---|---|---|
| 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 | Index AI | LLM Socket |
|---|---|---|
| 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 |
Pricing
| Measure | Index AI | LLM Socket |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $9.99/month | $9/month(ahead) |
| Longest free trial | 7 days | 7 days |
| Plans listed | 4 | 4 |
Listing
| Measure | Index AI | LLM Socket |
|---|---|---|
| Shopify category rank | #360(ahead) | #720 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Mar 3, 2026 | Jan 12, 2026 |
| Languages | 4 | 1 |
| Developer | BrandUp Factory GmbH | Webseller OÜ |
FAQ
Index AI and LLM Socket: common questions
- Is Index AI or LLM Socket cheaper?
- Only Index AI lists a free plan. Paid plans start at $9.99/month for Index AI and $9/month for LLM Socket. 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?
- Index AI lists 9 the others don’t mention, such as AI generation, Analytics, Audits, Insights and tips. LLM Socket lists 2 the others don’t mention, such as Breadcrumbs, Meta tags. 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 28, 2026 for Index AI, Oct 13, 2026 for LLM Socket; 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 28, 2026 for Index AI, Oct 13, 2026 for LLM Socket. 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.