# IndexGPT: AI SEO for ChatGPT review (2026): is it worth $16 a month? > Shopify app for getting a store found in ChatGPT and AI search Checked Oct 23, 2026 ยท graded Oct 23, 2026 by ToolGPA. IndexGPT is a Shopify app aimed at getting a store recommended by AI assistants such as ChatGPT, Gemini, Perplexity and Grok. Every plan scores how ready the store is for AI search with a list of fixes, submits pages through IndexNow and builds llms.txt and Agents.md files. Premium adds prompt and sentiment tracking, a schema builder and AI blog writing, and Enterprise adds an account manager and managed blog content. - **Category:** SEO Plugins & Apps - **Made by:** Legendary Index, Lda. (since 2024) - **Website:** https://apps.shopify.com/index-gpt - **Runs on:** Web - **Who should skip it:** Skip it if your store isn't on Shopify, as it installs only from the Shopify App Store. - **Facts last checked:** Oct 23, 2026 ## Pricing As of Oct 23, 2026, IndexGPT: AI SEO for ChatGPT is a paid product with a free trial, starting at $16 per month, billed every 30 days. - **Pricing model:** Free trial - **Free plan:** None. - **Free trial:** 3-day free trial on Essentials and Premium. | Plan | Price | What you get | | --- | --- | --- | | 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. | Read from https://apps.shopify.com/index-gpt on Oct 23, 2026. Prices change, so confirm with IndexGPT: AI SEO for ChatGPT before buying. ## Ways to pay less - **Up to 33% off with yearly billing** (Annual discount): The Shopify listing offers Essentials at $128 a year (a 33% saving) and Premium at $432 a year (20%) instead of paying monthly. Source: https://apps.shopify.com/index-gpt ## Key features - **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. ## Good for - Shopify stores that want to show up when shoppers ask ChatGPT what to buy - Store owners who want llms.txt, IndexNow and schema handled from one app - Brands that want a team to run their AI search work, on Enterprise ## Worth knowing - 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. ## ToolGPA grades **GPA: 1.8 out of 4**, graded Oct 23, 2026. IndexGPT scores how ready a Shopify store is for AI search, lists fixes, submits pages through IndexNow and builds llms.txt and Agents.md files. Prompt and sentiment tracking, the schema builder and AI blog writing need Premium at $45 a month, the trial lasts 3 days, and credit limits below Enterprise aren't stated. - **Value for money: D.** Essentials is $16 every 30 days, above this category's $10.99 middle. Prompt tracking, the schema builder and AI writing, the parts its name points to, need Premium at $45, in the dearest tenth; Enterprise is $345. - **Free plan and trial: D.** No free plan, and the free trial is 3 days, shorter than a week. After that, the cheapest plan is $16 every 30 days. - **Features: C.** An AI readiness score with fixes, IndexNow, llms.txt, Agents.md and robots.txt checks, and on Premium prompt and sentiment tracking, a schema builder and AI posts. It covers AI search, with no meta tag, sitemap or redirect editing listed. - **Ease of use: C.** No rating on record. It installs from the Shopify App Store, but the action plan is a list of fixes to work through, and tracking means choosing prompts. - **Platforms and integrations: B.** Web, inside the Shopify admin, linked to Google Analytics and IndexNow, with ChatGPT, Gemini and Claude named for visibility tracking. No phone or desktop app. These are ToolGPA's own grades. Graded from this listing, whose facts were read from Legendary Index's own pages and its Shopify App Store listing on 23 October 2026. Not based on using the product, and shorter than our full reviews. ## Where it stands among SEO plugins and apps - IndexGPT: AI SEO for ChatGPT's GPA of 1.8 is higher than 1 of the 78 other SEO plugins and apps we grade, and level with 5. - It stands best on platforms and integrations (B, above 31 of 78) and worst on value for money (D, above 0). - Its paid plans start at $16 a month, against a middle price of $9.99 for the category: 40 of the 58 others that charge start lower. - On features, ease of use and platforms it scores 2.3 out of 4. 19 tools score higher and cost less. The category's chart of price against score: https://toolgpa.com/charts/seo-plugins ## Keep it, or make your own? **Keep it.** The plain part of IndexGPT: AI SEO for ChatGPT you could make: schema markup and long-form writing. What surrounds it you could not. The 4 things listed below take a company, not a weekend. That makes this kind of software worth paying for, not this one in particular: 72 of the 78 other SEO plugins and apps grade higher. It costs $192 a year. - You could make: Schema markup and long-form writing: an app builder makes these well. - You could not: The same prompts asked of ChatGPT, Perplexity, Gemini and Google's AI answers every day, and the answers kept. - You could not: A crawler that checks every page of a site. - You could not: It plugs into other products, Shopify, Google Analytics and IndexNow among them. - You could not: AI features, unless you pay a model provider for each request yourself. A judgement by ToolGPA from this listing, by rules that are the same for every tool. Nothing was built to test it. ## Works with Shopify, Google Analytics, IndexNow, ChatGPT, Gemini, Claude **Tags:** AI search visibility, Schema markup, Site audit, Long-form writing, AI features ## Alternatives - [Avada AEO SEO Optimizer LLMs](https://toolgpa.com/tools/avada-aeo-seo-optimizer-llms): Free Shopify app that builds llms.txt and agents.md files for AI bots. [Compare](https://toolgpa.com/compare/avada-aeo-seo-optimizer-llms-vs-indexgpt-ai-seo-for-chatgpt) - [Tapita GEO Studio & AI Blog](https://toolgpa.com/tools/tapita-geo-studio-and-ai-blog): Free Shopify app for AI blog posts, FAQs and buyer's guides. [Compare](https://toolgpa.com/compare/indexgpt-ai-seo-for-chatgpt-vs-tapita-geo-studio-and-ai-blog) - [Avada SEO Suite](https://toolgpa.com/tools/avada-seo-suite): Shopify SEO app with AI audits, image compression and speed tools. [Compare](https://toolgpa.com/compare/avada-seo-suite-vs-indexgpt-ai-seo-for-chatgpt) - [Tapita AI SEO Optimizer](https://toolgpa.com/tools/tapita-ai-seo-optimizer): Shopify SEO and speed app with audits, schemas and AI meta tags. [Compare](https://toolgpa.com/compare/indexgpt-ai-seo-for-chatgpt-vs-tapita-ai-seo-optimizer) ## Sources The prices, plans, platforms and features above were read from these pages on Oct 23, 2026: - https://apps.shopify.com/index-gpt - https://indexgpt.app/pricing - https://indexgpt.app/features - https://indexgpt.app/about Page: https://toolgpa.com/tools/indexgpt-ai-seo-for-chatgpt Listed by ToolGPA (toolgpa.com).