Avada AEO SEO Optimizer LLMs vs IndexGPT: AI SEO for ChatGPT (2026): which should you pick?

Pick Avada AEO SEO Optimizer LLMs if

• Fits if you want an llms.txt file on your Shopify store without writing one
• Works for merchants who want a count of the visits AI assistants send

Look elsewhere if

• Skip it if your store isn't on Shopify, as it installs only from the Shopify App Store
• Watch out: free is a launch-phase price, and Avada says paid options may come later
• Not for you if you want to know whether AI answers mention your store, as it doesn't track that
• Watch out: AI referral counts start only when it's turned on, and need the app's theme embed enabled
• Too light for meta tags, schema or redirects, which the listing doesn't cover

Pick IndexGPT: AI SEO for ChatGPT if

• Fits if you want your Shopify store set up for shoppers asking ChatGPT what to buy
• Works for owners who want llms.txt, IndexNow and schema handled from one app

Look elsewhere if

• Skip it if your store isn't on Shopify, as it installs only from the Shopify App Store
• Not for you if you want time to try it, as there's no free plan and the trial is 3 days
• Pricey if you want prompt tracking, the schema builder or AI posts, which need Premium at $45 a month
• Watch out: only Enterprise, at $345 a month, lists unlimited credits, and limits on the other plans aren't stated

Avada AEO SEO Optimizer LLMs

• Works only on Shopify stores; it is installed from the Shopify App Store.
• Free is stated as a launch-phase price; Avada says paid options may come later, with core features kept free.
• AI referral tracking records visits only from when it is turned on and needs the app's theme embed enabled.
• It prepares files for AI bots and does not track whether AI answers mention the store.

IndexGPT: AI SEO for ChatGPT

• Works only on Shopify stores; it is installed from the Shopify App Store and billed through Shopify in US dollars every 30 days.
• There is no free plan, only a 3-day free trial of Essentials and Premium.
• Prompt and sentiment tracking, the schema builder and AI blog writing all need Premium at $45 a month.
• Only Enterprise lists unlimited credits on all tools; the pages do not say what credit limits apply on the other plans.

Avada AEO SEO Optimizer LLMs

llms.txt, llms-full.txt and agents.md

Generates and hosts all three files at the store's root: a short index, a full-content version, and instructions for AI shopping agents.

AI bot access control

Tick which of ChatGPT, Claude, Gemini, Perplexity and DeepSeek may read the files, and the app updates robots.txt to match.

Markdown alternate pages

Serves a clean .md version of each product, collection, article and page, with a link tag so AI crawlers can find it.

AEO audit and checklist

Scores each product from 0 to 100 on 16 signals, gives the store a score from a 25-step checklist, and lets you fix product fields in the app.

AI referral traffic

Counts visits that arrive from AI assistants, by agent and landing page, from the day it is switched on, with no earlier history.

Automatic updates

Files update after each change in Shopify, so prices, stock and titles stay current; topic-specific extra .txt files can be added.

IndexGPT: AI SEO for ChatGPT

AI SEO score and action plan

Scores how ready the store is for AI search and lists store-specific fixes in order of priority. Included on every plan.

IndexNow submissions

Sends new and changed store URLs to search engines that support the IndexNow protocol so they are picked up sooner.

llms.txt, Agents.md and robots.txt

Generates and maintains llms.txt, llms-full.txt and Agents.md files, and checks that robots.txt is not blocking AI crawlers.

Prompt and sentiment tracking

Premium tracks set prompts and brand sentiment in AI answers; the listing names ChatGPT, Gemini and Claude for visibility tracking.

Schema markup builder

Premium builds JSON-LD structured data for products, prices and store policies without writing code.

Smart Blogger and Content Creator

Premium writes blog posts and pages with AI, aimed at the questions shoppers ask and the answers AI assistants give.

Avada AEO SEO Optimizer LLMs

• Free$0

  llms.txt, llms-full.txt and agents.md, AI bot access control, content filters, URL manager, multi-language files and daily updates.

IndexGPT: AI SEO for ChatGPT

• Essentials$16

  per month, billed every 30 days

  AI SEO score and action plan, IndexNow submissions, brand signals, llms.txt and Agents.md files, robots.txt checks and guides. $128 billed yearly.

• Premium$45

  per month, billed every 30 days

  Adds Smart Blogger, the content creator, AI prompt tracking, AI sentiment analysis, the schema markup builder and premium support. $432 billed yearly.

• Enterprise$345

  per month, billed every 30 days

  Everything in Premium plus a dedicated account manager, a monthly strategy call, blog management by the team and unlimited credits on all tools.

Avada AEO SEO Optimizer LLMs

No public discounts listed.

IndexGPT: AI SEO for ChatGPT

• Annual discount

  Up to 33% off with yearly billing

  The Shopify listing offers Essentials at $128 a year (a 33% saving) and Premium at $432 a year (20%) instead of paying monthly.