G2 Vendor Directory

Clearout

#5 in Email Verification

San Francisco, US

2

Products on G2

621

Total reviews

4.6

Avg. star rating

  • Clearout.io ranks #5 in Email Verification.
  • Reviews across Clearout's portfolio declined 20.0% quarter-over-quarter.
  • Clearout's 2 products span 5 categories on G2.
  • Small Business is the largest segment among reviewers, at 81.4%.

Traffic & LLM citations

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

Page views and citations · Clearout

Source: G2 review data

Winning from

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

1

ZeroBounce

4 switched
2

ZoomInfo

1 switched
3

QuickEmailVerification

1 switched
4

Emailable

1 switched
5

Portman Holdings LLC

1 switched

Losing to

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

1

Reoon Technology

5 switched
2

ZeroBounce

1 switched
3

Abstract API

1 switched
4

DeBounce

1 switched

Key stats

-20.0%

#5

5

Small Business

2019

43

San Francisco, US

Adoption by company size

SegmentShare of reviews
Small Business81.4%
Mid-Market16.8%
Enterprise1.8%

Quarterly history

QuarterTotal reviewsAvg. rating
2024 Q4434.5
2025 Q1414.6
2025 Q2454.6
2025 Q3484.4
2025 Q4344.4
2026 Q1414.4
2026 Q2454.5
2026 Q3364.5