kitio.aiSEO.AI vs hrefStack
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. hrefStack has the lower starting price: about $45 a month, against $149 for SEO.AI.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Automatic content publishing
- Keyword-led content plan
- Backlink exchange
- Google and ChatGPT visibility
- Content approval option
- Keyword research from Search Console
- SEO article generation
- CMS publishing
- Google and AI search rank tracking
- Unlimited AI images
- Approval before actions
| Feature | SEO.AI | hrefStack |
|---|---|---|
| Best for | AI SEO agent that writes, publishes and builds links for your site | AI SEO agent that researches, writes and publishes articles |
| Category | Marketing | Marketing |
| Pricing model | Free trial | Freemium |
| Starting price | $149/mo | $45/mo |
| Free plan | No, 7-day trial | Yes |
| Made by | SEO.AI | hrefStack |
| Based in | Denmark | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
hrefStack has the lower starting price: about $45 a month, against $149 for SEO.AI.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Single Site
$149/mo
- One website in one language
- Weekly pages and articles
- Backlinks from real sites
Multi Site
$299/mo
- Up to 3 websites or languages
- Same features per site
3 plans
Free
Free
- 10,000 words a month
- Unlimited AI images
- Up to 2,000 words per article
Starter
$45/mo
- 100,000 words a month
- Research features
- AI agent access
Pro
$69/mo
- Unlimited words
- Premium AI models
- Up to 5,000 words per article
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
SEO.AI
- Runs SEO with little effort
- Flat price instead of agency fees
- Can approve posts before publishing
- Costs $149 per site each month
- Automated link exchanges carry some risk
- Less control than hands-on SEO tools
hrefStack
- Free plan without a card
- Uses your own Search Console data
- Every action waits for approval
- Research features not on the free plan
- Free articles capped at 2,000 words
- Agent access starts at Starter
Which one should you choose?
Choose SEO.AI if you want:
- Runs SEO with little effort
- Flat price instead of agency fees
- Can approve posts before publishing
Watch out: costs $149 per site each month.
Choose hrefStack if you want:
- Free plan without a card
- Uses your own Search Console data
- Every action waits for approval
Watch out: research features not on the free plan.
SEO.AI vs hrefStack FAQ
What is the difference between SEO.AI and hrefStack?
SEO.AI: AI SEO agent that writes, publishes and builds links for your site. hrefStack: AI SEO agent that researches, writes and publishes articles. Both are marketing tools.
Is SEO.AI or hrefStack cheaper?
hrefStack has the lower starting price: about $45 a month, against $149 for SEO.AI.
Do SEO.AI and hrefStack have free plans?
SEO.AI: No, 7-day trial. hrefStack: Yes.
Who makes SEO.AI?
SEO.AI is made by SEO.AI, based in Denmark.
Who makes hrefStack?
hrefStack is made by hrefStack.
Which should I choose, SEO.AI or hrefStack?
Choose SEO.AI if you value runs seo with little effort and flat price instead of agency fees. Choose hrefStack if you value free plan without a card and uses your own search console data.