Signum.AI vs Siteline (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
Not comparable
Not comparable: Siteline does not list a price
Free plan
Tie
Both have one
Higher rating
Siteline
3.7 against 3.9
Same job?
Yes
Both are SEO tools

Side by side

Compared on	Signum.AI	Siteline
Our rating	3.7	3.9Better
Starts at	$49/mo	Free
Free plan	Yes	Yes
Category	SEO	SEO
Plans	From $49/mo	Free
Key features	Brand visibility tracking across ChatGPT, Perplexity and Gemini Competitor benchmarking and AI visibility landscape Source and citation analysis Market-signal monitoring of reviews, news and website changes Visibility recommendations with activity feed and email alerts	Agent analytics from server data Page-level detail on what agents fetch and where they stall Conversion tracking from agent visit to customer Citation monitoring across AI platforms Insights agent making recommendations
Pros	Source analysis shows which pages and publications models draw on Published entry price of $49 a month with a 14-day money-back guarantee Free checker gives a first reading before paying	Follows agent traffic through to conversion, not just mentions Surfaces pages crawlers cannot parse, which are fixable Free tier with no card
Cons	Pricing page states no limits on prompts or engines tracked Visibility scores are sampled estimates because AI answers vary between runs Customer results and user counts are vendor-reported	No pricing figures published Depends on correctly identifying user agents in server logs Attribution from an assistant answer to a sale is inherently partial
Company	Signum.AI	Large Language Analytics, Corp.

Prices come from each vendor's pricing page, last checked 20260921. Check the vendor before you buy.

FAQ

Questions people ask

Is Signum.AI better than Siteline?

In our reviews Signum.AI scores 3.7 and Siteline scores 3.9. The better pick depends on the job. Signum.AI: AI-visibility platform that tracks how a brand appears in ChatGPT, Perplexity and Gemini and what drives the citations. Siteline: Analytics for AI agent traffic: which pages they fetch, where they stall, what converts.

Which is cheaper, Signum.AI or Siteline?

Signum.AI: from $49/mo. Siteline: free.

Do Signum.AI and Siteline have free plans?

Yes, both have a free plan.

More comparisons

Signum.AI compared with

All Signum.AI alternatives

Siteline compared with

All Siteline alternatives