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Head to head · 2026

Signum.AI vs Superlines

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

Signum.AI

AI-visibility platform that tracks how a brand appears in ChatGPT, Perplexity and Gemini and what drives…

3.7$49/mo

Visit Signum.AI (opens Signum.AI in a new tab)

Superlines

AI search visibility platform that tracks how brands appear across ChatGPT, Gemini, Perplexity and other AI…

3.6$79/mo

Visit Superlines (opens Superlines in a new tab)

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

    Signum.AI

    From $49/mo against from eur 79/mo

  • Free plan

    Signum.AI

    Only Signum.AI has one

  • Higher rating

    Signum.AI

    3.7 against 3.6

  • Same job?

    Yes

    Both are SEO tools

Side by side

Compared onSignum.AISuperlines
Our rating3.7Better3.6
Starts at$49/moBetter$79/mo
Free planYesBetterNo
CategorySEOSEO
PlansFrom $49/moFrom EUR 79/mo
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
  • Tracks brand visibility across ChatGPT, Gemini, Perplexity, Mistral and Google AI Mode
  • Data collected from the real interfaces of those engines, not inferred through APIs alone
  • Shows the prompts, sources and competitors behind a visibility score
  • MCP server and API access on higher plans
  • Scheduled audits, from monthly on Pro to weekly on Growth
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
  • Reads visibility from the engines' own interfaces rather than an API proxy
  • Clear prompt, brand and history limits at every price point
  • A 7-day trial and a stated agency discount
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
  • AI answer-engine results shift from run to run, so one audit is a snapshot, not a trend
  • History depth is limited on the entry plans
  • No specific data-residency policy is stated for the EU-based company
CompanySignum.AIGrew Oy

Prices come from each vendor's pricing page, last checked 20260922. Check the vendor before you buy.

FAQ

Questions people ask

Is Signum.AI better than Superlines?

In our reviews Signum.AI scores 3.7 and Superlines scores 3.6. 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. Superlines: AI search visibility platform that tracks how brands appear across ChatGPT, Gemini, Perplexity and other AI answer engines, from EUR79 a month.

Which is cheaper, Signum.AI or Superlines?

Signum.AI has the lower starting price: from $49/mo for Signum.AI and from eur 79/mo for Superlines.

Do Signum.AI and Superlines have free plans?

Only Signum.AI has a free plan.

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