AutoBlog: AI SEO Blog Agent vs PASSIM
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026.
The short answer
- Only AutoBlog lists a free plan. Paid plans start at $19/month for AutoBlog and $99/month for PASSIM.
- PASSIM lists 8 features AutoBlog’s listing doesn’t mention, including ALT text, Analytics, Competitor analysis.
Head to head
Free
- · 10 AI architecture refinements
- · 5 blog architecture expansions
- · 5 custom keyword topics
- · 7 SEO blog articles per month
Starter
- · 100 AI architecture refinements
- · 20 blog architecture expansions
- · 30 SEO blog articles per month
- · 40 custom keyword topics
- · Auto-publish scheduling
- · GA4 & Search Console analytics
Growth
- · 100 SEO blog articles per month
- · 120 custom keyword topics
- · 300 AI architecture refinements
- · 60 blog architecture expansions
- · Auto-publish scheduling
- · GA4 & Search Console analytics
Pro
- · 1,000 AI architecture refinements
- · 200 blog architecture expansions
- · 400 SEO blog articles per month
- · 400 custom keyword topics
- · Auto-publish + priority support
- · GA4 & Search Console analytics
Starter
- · 100% async — no calls, ever
- · 30 AEO-optimized articles per month
- · 50 tracked queries probed daily
- · Auto-publishes to your Shopify blog
- · Brand voice trained from your site
- · Charged on your Shopify bill — no card
Growth
- · 2 extra AI engines (Claude, Gemini)
- · 250 tracked queries probed daily
- · AI citation dashboard in real time
- · All Starter features, plus:
- · Custom blog subdomain
- · Question research from 5 sources
Scale
- · 500 tracked queries probed daily
- · All Growth features, plus:
- · Auto-publish to Shopify, WordPress, etc
- · Up to 2 sites under one account
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAutoBlog studies your store, then proposes a complete SEO blog architecture — clusters of pillar + supporting articles built for Google's topical authority. Tick the topics you want. AutoBlog writes drafts with internal links, cover images, and JSON-LD structured data, then pushes them to your Shopify blog as drafts (auto-publish is opt-in). GA4 + Search Console built-in.
Buyers ask ChatGPT before they Google. If your brand isn't cited in AI answers, you're invisible when they decide. PASSIM installs to your Shopify store, extracts your brand voice, and auto-publishes one 1,800+ word article a day to your blog — engineered to be cited by ChatGPT, Perplexity, Claude, Gemini, and Google AI Overviews. Insights dashboard tracks your citations across every engine, daily. No calls.
- AI plans pillar + supporting clusters for topical authority, not random posts
- GA4 + GSC built-in; weekly auto-optimization suggests content & link fixes
- Knowledge graph view — node size = pageviews, dashed lines = internal links
- Daily long-form articles written to be cited by ChatGPT and Perplexity.
- Brand voice and theme matched — articles look native to your existing blog.
- Track citations across ChatGPT, Perplexity, Claude, and Google AI Overviews.
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 |  AutoBlog |  PASSIM |
|---|---|---|
| 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 | AutoBlog | PASSIM |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | 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
AutoBlog and PASSIM: common questions
- Is AutoBlog or PASSIM cheaper?
- Only AutoBlog lists a free plan. Paid plans start at $19/month for AutoBlog and $99/month for PASSIM. 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?
- AutoBlog lists 3 the others don’t mention, such as Automations, Insights and tips, SEO score. PASSIM lists 8 the others don’t mention, such as ALT text, Analytics, Competitor analysis, Metadata optimization. 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 13, 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 13, 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.