Omnia 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
Omnia
From EUR 45/mo against from $49/mo
Free plan
Signum.AI
Only Signum.AI has one
Higher rating
Omnia
3.8 against 3.7
Same job?
Yes
Both are SEO tools

Side by side

Compared on	Omnia	Signum.AI
Our rating	3.8Better	3.7
Starts at	$45/moBetter	$49/mo
Free plan	No	YesBetter
Category	SEO	SEO
Plans	From EUR 45/mo	From $49/mo
Key features	Brand visibility tracking inside AI assistants Prompt discovery for surfacing terms Change tracking over time Built for small marketing teams Published pricing from about EUR 45	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	Measures a surface conventional analytics cannot see Sized and priced for small teams Covers discovery as well as tracking	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	Measurement methods in this category vary and are hard to validate Assistant answers shift with model updates outside your control Young category with little established best practice	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	Omnia	Signum.AI

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

FAQ

Questions people ask

Is Omnia better than Signum.AI?

In our reviews Omnia scores 3.8 and Signum.AI scores 3.7. The better pick depends on the job. Omnia: Tracks how a brand appears in AI assistant answers and finds the prompts that surface it. Signum.AI: AI-visibility platform that tracks how a brand appears in ChatGPT, Perplexity and Gemini and what drives the citations.

Which is cheaper, Omnia or Signum.AI?

Omnia has the lower starting price: from eur 45/mo for Omnia and from $49/mo for Signum.AI.

Do Omnia and Signum.AI have free plans?

Only Signum.AI has a free plan.

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