On-Page.ai vs PageOptimizer Pro (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
PageOptimizer Pro
From $34/mo against from $129/mo
Free plan
Tie
Neither has one
Higher rating
PageOptimizer Pro
3.5 against 4.4
Same job?
Yes
Both are SEO tools

Side by side

Compared on	On-Page.ai	PageOptimizer Pro
Our rating	3.5	4.4Better
Starts at	$129/mo	$34/moBetter
Free plan	No	No
Category	SEO	SEO
Plans	From $129/mo	From $34/mo
Key features	Google-style page crawling for accurate on-page scoring and recommendations Topical keyword research and link relevancy analysis Predictive guest-post content scoring before publishing One-click Auto-Optimizer for inserting related entities into existing content Built-in AI-content detection scanner for a site's own published pages	Rank Engine built on 400+ peer-reviewed SEO experiments Nextgen EEAT audit covering 100+ trust and authority signals Support for 61 languages Operating since 2016 AI Writer targeting a 99%-plus optimization score
Pros	Created by a named, independently checkable SEO expert rather than an anonymous team Real customer testimonials and a stated 100% money-back ranking guarantee Broad toolset covering on-page, keyword, link and content workflows in one product	Research-backed methodology behind scoring, not just NLP term-matching Dedicated EEAT auditing most competitors leave unaddressed Broad language support across 61 languages
Cons	Its Stealth Writer add-on is explicitly built to defeat AI-content detectors before publishing Higher-volume content plans climb past $999 per month fast Stealth Writer articles are excluded from the money-back guarantee	Pricing isn't transparently published on the main site Research-heavy methodology has a steeper learning curve than simpler scoring tools Smaller brand recognition than category leaders like Clearscope or Surfer
Company	On-Page.ai	PageOptimizer Pro, founded 2016

Prices come from each vendor's pricing page, last checked 20260923. Check the vendor before you buy.

FAQ

Questions people ask

Is On-Page.ai better than PageOptimizer Pro?

In our reviews On-Page.ai scores 3.5 and PageOptimizer Pro scores 4.4. The better pick depends on the job. On-Page.ai: SEO optimization suite that scans pages the way Google does, then generates keyword, link and content recommendations to improve rankings, alongside an AI article-writing add-on. PageOptimizer Pro: An on-page scoring engine built on published SEO research, not just NLP matching.

Which is cheaper, On-Page.ai or PageOptimizer Pro?

PageOptimizer Pro has the lower starting price: from $129/mo for On-Page.ai and from $34/mo for PageOptimizer Pro.

Do On-Page.ai and PageOptimizer Pro have free plans?

Neither lists a free plan.

More comparisons

On-Page.ai compared with

All On-Page.ai alternatives

PageOptimizer Pro compared with

All PageOptimizer Pro alternatives