HubSpot AEO Sensor vs Signum.AI (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: HubSpot AEO Sensor does not list a price
Free plan
Tie
Both have one
Higher rating
HubSpot AEO Sensor
3.8 against 3.7
Same job?
Yes
Both are SEO tools

Side by side

Compared on	HubSpot AEO Sensor	Signum.AI
Our rating	3.8Better	3.7
Starts at	Free	$49/mo
Free plan	Yes	Yes
Category	SEO	SEO
Plans	Free	From $49/mo
Key features	Daily volatility score bucketed into Calm, Moderate, Elevated, and Extreme ranges Weekly AI-referred traffic trends aggregated from ChatGPT, Gemini, and Perplexity Industry benchmarks for citation and mention frequency shifts Modeled from anonymized aggregate data across HubSpot's customer base No account required to view the public dashboard	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
Pros	Completely free with no signup wall, unlike most AI-search-visibility tools that gate data behind a trial Market-level volatility context helps interpret whether a ranking drop is brand-specific or industry-wide Updated daily, current enough to catch answer-engine shifts as they happen	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
Cons	Aggregate, anonymized data means it cannot show a specific brand's own citations or mentions Launched May 2026, too recent for long-term trend validation Limited to three answer engines (ChatGPT, Gemini, Perplexity), missing others like Copilot or Grok	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
Company	HubSpot, founded 2026	Signum.AI

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

FAQ

Questions people ask

Is HubSpot AEO Sensor better than Signum.AI?

In our reviews HubSpot AEO Sensor scores 3.8 and Signum.AI scores 3.7. The better pick depends on the job. HubSpot AEO Sensor: Free dashboard tracking daily volatility across AI answer engines. Signum.AI: AI-visibility platform that tracks how a brand appears in ChatGPT, Perplexity and Gemini and what drives the citations.

Which is cheaper, HubSpot AEO Sensor or Signum.AI?

HubSpot AEO Sensor: free. Signum.AI: from $49/mo.

Do HubSpot AEO Sensor and Signum.AI have free plans?

Yes, both have a free plan.

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