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Clearout vs Kickbox Email Verification Comparison (2026)

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Good recommendations?

Clearout logo

Clearout

Kickbox Email Verification logo

Kickbox Email Verification

Overview

Clearout is a cloud-based email validation and verification service which assists businesses with mail server validation and spam detection. Its key features include syntax validation, disposable email detection, domain check, risk verification, open API, response measurement and SMTP monitoring.

Kickbox software automates the email address verification process. Marketers and business agencies can use it to improve the accuracy of email list data and deliverability. It integrates with most email providers and marketing or EDM software, including SendGrid, MailChimp, and Constant Contact.

  • Platforms supported
  • Web-based
  • iPhone app
  • Android app
  • Windows Phone app
  • Typical customers
  • Freelancers
  • Small businesses
  • Mid size businesses
  • Large enterprises
  • Customer support
  • Phone
  • Online
  • Knowledge base
  • Video tutorials
  • Platforms supported
  • Web-based
  • iPhone app
  • Android app
  • Windows Phone app
  • Typical customers
  • Freelancers
  • Small businesses
  • Mid size businesses
  • Large enterprises
  • Customer support
  • Phone
  • Online
  • Knowledge base
  • Video tutorials

Video & Screenshots

Pricing

Starting from

23

Per month

  • Free trial available
  • Credit cardless trial
  • Free account
  • Subscription based

Starting from

5

Per month

  • Free trial available
  • Credit cardless trial
  • Free account
  • Subscription based

User reviews

4.7

84

5

4

3

2

1

60

21

2

0

1

  • Value for money
  • Ease of use
  • Features
  • Customer support
85%
would recommend this app

4.4

70

5

4

3

2

1

50

10

4

3

3

  • Value for money
  • Ease of use
  • Features
  • Customer support
79%
would recommend this app

Pros

“It helps keep our contact lists clean without much effort.”
JH

Jerry H.

Marketing Manager

“It’s a dependable tool for teams that rely on email outreach.”
JH

Jerry H.

Marketing Manager

“That is likely why their prices are lower.”
DB

Diana B.

Founder

Pros

“It's a pure email verification service that doesn't try to feature stuff like Zerobounce and AtData.”
DB

Diana B.

Owner

“It's great for beginners who want a no-fuss platform with a simple API.”
DB

Diana B.

Owner

“Lastly, it's priced quite higher than most email verification services.”
DB

Diana B.

Owner

Cons

“For the form submissions, it doesn't do as advertised, so its a waste of money.”
CB

Chris B.

Demand Ge

“Doesn’t provide a walkthrough on the dashboard”
RA

Roshini A.

DM

“I am unable to find any issues while using this tool.”
Verified reviewer profile picture

Arpit G.

Senior Analyst

Cons

“The platform works for cleaning emails, but I'm not wowed by it.”
DB

Diana B.

Owner

“For me, that's a deal breaker as someone screening services for clients.”
DB

Diana B.

Owner

“It's disheartening that there isn't been any kind of redesign for convenience of use in all these years.”
TS

Tammy S.

Accounting Manager

  • Vendor responds to reviews
  • Last review9 months ago
  • Vendor responds to reviews
  • Last review2 years ago

Key features

  • Total features79
  • API
  • APIs
  • Activity Dashboard
  • Activity Tracking
  • Anti Spam
  • Bounce Rate Analysis
  • Bulk Email Verification
  • CRM
  • Campaign Analytics
  • Campaign Segmentation
  • Catch-all Server Detection
  • Chat/Messaging
  • Company Data Accuracy
  • Contact Data Accuracy
  • Contact Database
  • Contact Management
  • Cross-system Integration
  • Customer Database
  • Customer Profiles
  • Customer Segmentation
  • Customizable Fields
  • Dashboard
  • Data Capture and Transfer
  • Data Cleansing
  • Data Enrichment
  • Data Import/Export
  • Data Segmentation/Filtering
  • Data Verification
  • Decision Making
  • Disposable Email Detection
  • Domain Check
  • Drag & Drop
  • Duplicate Detection
  • Email Address Extraction
  • Email Alerts
  • Email Management
  • Email Marketing
  • Email Tracking
  • Engagement Tracking
  • Event Triggered Actions
  • For Sales Teams/Organizations
  • Forms Management
  • Integration to CRM/Marketing Automation
  • Lead Builder
  • Lead Capture
  • Lead Generation
  • Lead Management
  • Lead Qualification
  • Lead Scoring
  • Lead Segmentation
  • Lead Verification/Validation
  • List Management
  • Mailing List Management
  • Mobile
  • Mobile User Support
  • Monitoring
  • Multi-Channel Data Collection
  • Online Forms
  • Performance and Reliability
  • Pipeline Management
  • Proactive Assistance
  • Prospecting Tools
  • Real-Time Analytics
  • Real-Time Data
  • Real-Time Notifications
  • Recipient Validation
  • Reporting
  • Reporting & Statistics
  • Reporting/Analytics
  • Sales Automation
  • Sales Pipeline Management
  • Search/Filter
  • Secure Data Storage
  • Single Email Verification
  • Spam Analysis
  • Spam Blocker
  • Spam Detection
  • Strategic Planning
  • Syntax Check
  • Technographic Data Availability
  • Third-Party Integrations
  • Unsubscribe Database
  • User, Role, and Access Management
  • Visual Analytics
  • Web Forms
  • Workflow Management
  • Total features28
  • API
  • APIs
  • Activity Dashboard
  • Activity Tracking
  • Anti Spam
  • Bounce Rate Analysis
  • Bulk Email Verification
  • CRM
  • Campaign Analytics
  • Campaign Segmentation
  • Catch-all Server Detection
  • Chat/Messaging
  • Company Data Accuracy
  • Contact Data Accuracy
  • Contact Database
  • Contact Management
  • Cross-system Integration
  • Customer Database
  • Customer Profiles
  • Customer Segmentation
  • Customizable Fields
  • Dashboard
  • Data Capture and Transfer
  • Data Cleansing
  • Data Enrichment
  • Data Import/Export
  • Data Segmentation/Filtering
  • Data Verification
  • Decision Making
  • Disposable Email Detection
  • Domain Check
  • Drag & Drop
  • Duplicate Detection
  • Email Address Extraction
  • Email Alerts
  • Email Management
  • Email Marketing
  • Email Tracking
  • Engagement Tracking
  • Event Triggered Actions
  • For Sales Teams/Organizations
  • Forms Management
  • Integration to CRM/Marketing Automation
  • Lead Builder
  • Lead Capture
  • Lead Generation
  • Lead Management
  • Lead Qualification
  • Lead Scoring
  • Lead Segmentation
  • Lead Verification/Validation
  • List Management
  • Mailing List Management
  • Mobile
  • Mobile User Support
  • Monitoring
  • Multi-Channel Data Collection
  • Online Forms
  • Performance and Reliability
  • Pipeline Management
  • Proactive Assistance
  • Prospecting Tools
  • Real-Time Analytics
  • Real-Time Data
  • Real-Time Notifications
  • Recipient Validation
  • Reporting
  • Reporting & Statistics
  • Reporting/Analytics
  • Sales Automation
  • Sales Pipeline Management
  • Search/Filter
  • Secure Data Storage
  • Single Email Verification
  • Spam Analysis
  • Spam Blocker
  • Spam Detection
  • Strategic Planning
  • Syntax Check
  • Technographic Data Availability
  • Third-Party Integrations
  • Unsubscribe Database
  • User, Role, and Access Management
  • Visual Analytics
  • Web Forms
  • Workflow Management

Integrations

  • Total integrations11
  • AWeber
  • Act-On
  • ActiveCampaign
  • Apollo
  • Automizy
  • BenchmarkONE
  • Campaign Monitor by Marigold
  • Cordial
  • Dotdigital
  • Drip
  • GetResponse
  • Google Sheets
  • HubSpot CRM
  • HubSpot Marketing Hub
  • Iterable
  • Klaviyo
  • Mad Mimi
  • MailerLite
  • Mailgun
  • Make
  • Marketo Engage
  • Moosend
  • SAP Engagement Cloud (formerly SAP Emarsys)
  • SendGrid
  • Sendloop
  • SparkPost
  • VerticalResponse
  • WordPress
  • Zapier
  • iContact
  • Total integrations23
  • AWeber
  • Act-On
  • ActiveCampaign
  • Apollo
  • Automizy
  • BenchmarkONE
  • Campaign Monitor by Marigold
  • Cordial
  • Dotdigital
  • Drip
  • GetResponse
  • Google Sheets
  • HubSpot CRM
  • HubSpot Marketing Hub
  • Iterable
  • Klaviyo
  • Mad Mimi
  • MailerLite
  • Mailgun
  • Make
  • Marketo Engage
  • Moosend
  • SAP Engagement Cloud (formerly SAP Emarsys)
  • SendGrid
  • Sendloop
  • SparkPost
  • VerticalResponse
  • WordPress
  • Zapier
  • iContact