SEO Bison vs VellumUp: On‑Brand SEO Content
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 28, 2026.
The short answer
- Both list a free plan. Paid plans start at $17/month for SEO Bison and $79/month for VellumUp.
- VellumUp lists 8 features SEO Bison’s listing doesn’t mention, including Analytics, APIs and webhooks, Content analysis.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 2 Basic Store SEO Audit/mo
- · 5 Topic Ideas/mo
- · Full Product Catalog Sync
- · Keyword Competition Level on Every Topic
Basic
- · 20 Published Blogs/mo
- · 25 Topic Ideas/mo
- · 5 Blogs Improvements/mo
- · 6 Store SEO Audit/mo
- · Automated Blog Creation & Publishing
- · Content Optimization - 500 Credits/mo
Pro
- · 12 Store SEO Audit/mo
- · 15 Blogs Improvements/mo
- · 60 Published Blogs/mo
- · 75 Topic Ideas/mo
- · Automated Blog Creation & Publishing
- · Content Optimization - 2500 Credits/mo
Pro Max
- · 150 Published Blogs/mo
- · 185 Topic Ideas/mo
- · 30 Store SEO Audit/mo
- · 35 Blogs Improvements/mo
- · Automated Blog Creation & Publishing
- · Content Optimization - 10,000 Credits/mo
Free
- · 1 Keyword Opportunity Scan
- · 1 Website
- · 50 Credits — one-time
- · Monthly content plan
- · Up to 5 Optimized Articles
Grow
- · 1 Website
- · 350 Credits / month
- · Auto-planning & publishing
- · Monthly Keyword Opportunity Scan
- · Up to 35 Optimized Articles
Scale
- · 1,100 Credits / month
- · Auto-planning & publishing
- · Bi-weekly Keyword Opportunity Scan
- · Up to 110 Optimized Articles
- · Up to 3 Websites
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSEO Bison helps merchants keep a consistent, on-brand blog without hours of writing. It reads your product catalog and existing articles, finds topics your store hasn't covered, and researches each one first. Every draft is grounded in your real product data, and product claims are fact-checked to stay accurate.
Writing consistent, SEO-optimized blog content takes time most merchants don't have. VellumUp studies your store and existing content to learn your brand's voice, then researches keywords and topics relevant to your business. It writes full articles in that voice, structured for both search engines and AI assistants, and publishes them directly to your Shopify blog.
- Finds blog topics from gaps in your catalog and researches each with web search
- Writes full drafts grounded in your product data, with claims fact-checked
- Learns your brand voice from existing posts and links relevant products
- Review and edit drafts, then publish to your Shopify blog in one click
- Deep-scans your site's structure, links, and brand voice, then writes to match
- Researches keywords and topics relevant to your store
- Automatically plans and publishes new articles on a schedule
- Articles are built to rank on Google and get cited by AI
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 |  SEO Bison |  VellumUp |
|---|---|---|
| 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 | SEO Bison | VellumUp |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 4 | 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
SEO Bison and VellumUp: common questions
- Is SEO Bison or VellumUp cheaper?
- Both list a free plan. Paid plans start at $17/month for SEO Bison and $79/month for VellumUp. 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?
- SEO Bison lists 5 the others don’t mention, such as Backlinks, Local SEO, Metadata optimization, Schemas. VellumUp lists 8 the others don’t mention, such as Analytics, APIs and webhooks, Content analysis, Image 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 28, 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 28, 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.