HarperFlow vs AI Blog Post Writer & SEO
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026.
The short answer
- On the Shopify App Store: HarperFlow 5.0 from 1 reviews and AI Blog Post Writer & SEO 5.0 from 13 reviews.
- Only AI Blog Post Writer & SEO lists a free plan. Paid plans start at $39.90/month for HarperFlow and $12/month for AI Blog Post Writer & SEO.
- AI Blog Post Writer & SEO lists 26 features HarperFlow’s listing doesn’t mention, including A/B testing, ALT text, Analytics.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Flex 5
- · 5 articles a month, about 1 a week
- · Auto-published to your Shopify blog
- · Email veto before anything publishes
- · Every draft graded by a 2nd AI
- · Images, tables, FAQs & rich data
- · Optimized for ChatGPT & Google AI
Flex 10
- · 10 articles a month, about 1 a week
- · Auto-published to your Shopify blog
- · Email veto before anything publishes
- · Every draft graded by a 2nd AI
- · Images, tables, FAQs & rich data
- · Optimized for ChatGPT & Google AI
Flex 20
- · 20 articles a month, about 1/weekday
- · Auto-published to your Shopify blog
- · Email veto before anything publishes
- · Every draft graded by a 2nd AI
- · Images, tables, FAQs & rich data
- · Optimized for ChatGPT & Google AI
Flex 30
- · 30 articles a month, about 1 a day
- · Auto-published to your Shopify blog
- · Email veto before anything publishes
- · Every draft graded by a 2nd AI
- · Images, tables, FAQs & rich data
- · Optimized for ChatGPT & Google AI
Free
- · -
- · 1 Brand Voice
- · 6 Blog posts per month (300 credits)
- · Basic support
- · From: Keyword, Product, Youtube, Article
- · Google Search Console integration
Pro
- · 22 Blog posts per month (1000 credits)
- · 3 Brand Voices
- · Everything in Free, bonus:
- · Explore trending keywords
- · Multi-language blog posts
- · SEO High-quality external link
Unlimited
- · -
- · 3 Brand Voices
- · 88 Blog posts per month (4000 credits)
- · Blog planner*
- · Everything in Pro, bonus:
- · Multi-language blog posts
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureHarperFlow turns your store blog into a steady source of buyer-ready content. It studies your store and products, plans topics your customers actually search for, then writes, schedules, and publishes complete articles with images, tables, FAQs, and structured data directly to your blog. Nothing goes live silently. Every article gets a publish slot and an email first, so you can skip anything with one click.
Drive traffic AND sales with AI blog posts built for ecommerce. Tailored for Shopify merchants, generate SEO blogs from keywords, product page, URLs, or videos - then adds shoppable product cards, carousels, and CTAs that convert readers into buyers. Perfect for fashion, beauty, and lifestyle brands using content to sell. Real-time topic research keeps content fresh and ranking.
- Learns your store and products, then plans topics your buyers actually search
- Writes complete articles with images, tables, FAQs, and structured data
- Publishes on a schedule straight to your store blog, no copy-paste needed
- Structures every article for improved AI search visibility
- AI blog writer for SEO blogs with brand voice alignment & fast content creation
- Real time topic research to generate SEO blogs that match keywords and trends
- Generate full SEO blog posts from keywords, product pages, or Shopify URLs fast
- Create SEO blog content with AI. Optimized titles, images, metadata in seconds
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 |  HarperFlow |  AI Blog Post Writer & SEO |
|---|---|---|
| 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 | HarperFlow | AI Blog Post Writer & SEO |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 1 | 13(ahead) |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | HarperFlow | AI Blog Post Writer & SEO |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $39.90/month | $12/month(ahead) |
| Longest free trial | 7 days | 7 days |
| Plans listed | 4 | 3 |
Listing
| Measure | HarperFlow | AI Blog Post Writer & SEO |
|---|---|---|
| Shopify category rank | #143 | #226 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | Yes |
| Launched | Sep 17, 2026 | May 28, 2025 |
| Languages | 1 | 1 |
| Developer | Better Brain Lab LLC | Promer |
FAQ
HarperFlow and AI Blog Post Writer & SEO: common questions
- Is HarperFlow or AI Blog Post Writer & SEO cheaper?
- Only AI Blog Post Writer & SEO lists a free plan. Paid plans start at $39.90/month for HarperFlow and $12/month for AI Blog Post Writer & SEO. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, HarperFlow or AI Blog Post Writer & SEO?
- On the Shopify App Store: HarperFlow 5.0 from 1 reviews and AI Blog Post Writer & SEO 5.0 from 13 reviews.
- What features does each app list that the other doesn’t?
- HarperFlow lists 4 the others don’t mention, such as Images, JSON-LD, Multi-language, Schemas. AI Blog Post Writer & SEO lists 26 the others don’t mention, such as A/B testing, ALT text, Analytics, Audits. 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 14, 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 14, 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.