A question buyers ask AI

How reliable are the mobile and direct dial numbers these platforms give for decision-makers, and which one does it best?

Measured in 1 answer, last on Nov 11, 2026. Only the passages that name a brand are shown.

Brands in the answers

BrandNamed inRecommended inPositiveAvg. position
Cognism100%100%100%—
Apollo100%0%0%—
ZoomInfo100%0%100%—

Where each answer names a brand

Answer 1 · Nov 11, 2026
Apollomixed
“Apollo is attractive because it combines:”
+ value for money

“Apollo – Best value for money”

+ combined feature set

“Apollo is attractive because it combines:”

− number accuracy

“However, I wouldn't assume that a number returned by Apollo is necessarily accurate.”

ZoomInfopositive
“ZoomInfo is particularly strong for direct-dial coverage in the US enterprise market”
+ direct-dial coverage in the US enterprise market

“ZoomInfo is particularly strong for direct-dial coverage in the US enterprise market”

+ enterprise coverage

“Its coverage is a major advantage, although European mobile coverage needs to be assessed separately.”

− European mobile coverage

“Its coverage is a major advantage, although European mobile coverage needs to be assessed separately.”

CognismRecommendedpositive
“In my view, Cognism is the strongest choice for verified mobile numbers in Europe”
+ verified mobile numbers in Europe

“Cognism is the strongest choice for verified mobile numbers in Europe”

+ phone verification via Diamond Data

“Its Diamond Data offering uses phone verification, rather than relying exclusively on aggregated contact databases.”

+ do-not-call list screening

“Cognism also screens against multiple do-not-call lists.”

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