G2 Vendor Directory

Clustox

#15 in Email Verification

Dover, US

1

Products on G2

49

Total reviews

4.4

Avg. star rating

  • EmailVerify.io ranks #15 in Email Verification.
  • Reviews across Clustox's portfolio grew 50.0% quarter-over-quarter.
  • Clustox's 1 product span 1 category on G2.
  • Small Business is the largest segment among reviewers, at 86.1%.

Traffic & LLM citations

Monthly G2.com page views and citations by AI answer engines, summed across Clustox's products.

Page views and citations · Clustox

Source: G2 review data

Winning from

Based on reviewers who said they switched from another vendor's product.

1

ZoomInfo

1 switched
2

ZeroBounce

1 switched

Losing to

Based on reviewers of other products who said they switched from Clustox.

1

E-goi

1 switched
2

Skrapp.io

1 switched
3

no2bounce

1 switched

Key stats

+50.0%

#15

1

Small Business

2012

147

Dover, US

Adoption by company size

SegmentShare of reviews
Small Business86.1%
Mid-Market13.9%
Enterprise0.0%

Quarterly history

QuarterTotal reviewsAvg. rating
2025 Q4114.6
2026 Q194.3
2026 Q2104.5
2026 Q3154.3