Null Bounce vs CampaignKit Detailed comparison features, price

Null Bounce

Null Bounce provides an email verification service designed to enhance email marketing effectiveness by cleaning email lists and minimizing bounce rates. Users can easily start by registering for a free account, which includes 100 complimentary email verifications. The platform accepts email lists uploaded in standard CSV and TXT formats. Once the verification process is complete, users are notified via email and can download their cleaned list, ensuring higher deliverability for future campaigns.

The service employs a comprehensive validation process to ensure list accuracy. This includes checking for syntax errors, identifying and removing disposable or temporary email addresses, and detecting catch-all domains that inaccurately report all emails as valid. Null Bounce also identifies duplicate emails (charging only once per unique email), flags role-based and free provider addresses, utilizes anti-greylisting techniques to minimize uncertain results, performs Mail Transfer Agent (MTA) validation for MX records, and identifies hard bounces. Notably, users are not charged for emails that result in an 'unknown' status.

CampaignKit

CampaignKit provides a robust Email Validation Service designed to enhance email marketing effectiveness by cleaning email lists. It helps users reduce bounce rates and remove low-quality contacts, which is crucial for protecting their sender score. This service ensures that marketing messages reach genuine recipients, thereby improving overall campaign performance and engagement.

The platform performs comprehensive checks including mailbox deliverability tests without sending actual emails, detection of disposable email addresses from a vast database of over 3000 temporary email services, and identification of common catch-all email addresses. It also validates email syntax, verifies domain existence and configuration for email acceptance, and assigns a quality score to each email address for better assessment. Users can integrate this validation service into their existing workflows using CampaignKit's API, although API access details may vary.

Pricing

Null Bounce Pricing

Usage Based

Null Bounce offers Usage Based pricing .

CampaignKit Pricing

Freemium

CampaignKit offers Freemium pricing .

Features

Null Bounce

Syntax Errors Validator: Removes emails with invalid syntax.
Disposable Emails Cleaner: Identifies and removes temporary email addresses.
Catch-All Domain Checker: Detects domains configured to accept all emails.
Email Duplicates Checker: Detects duplicate emails, ensuring you only pay once.
Role and Free Email Identifier: Distinguishes role-based addresses (e.g., support@) and emails from free providers.
Anti-Greylisting Method: Employs standard-compliant techniques to reduce unknown verification results.
Hard Bounce Validator: Identifies email addresses that are guaranteed to bounce.
MTA Validation: Performs Mail Exchanger (MX) record checks to confirm server validity.
Free Unknown Results: No charge for emails where the validity cannot be definitively determined.
Pay As You Go Credits: Purchase verification credits as needed without subscription.
Volume Discounts: Reduced cost per email verification for larger list sizes.
Deduplication Included: Automatically removes duplicates without extra cost.

CampaignKit

Email Validation Service: Cleans email lists to reduce bounces and remove low-quality contacts, protecting sender score.
Mailbox Deliverability Check: Tests if a target email server accepts emails for a given mailbox without sending an actual email.
Disposable Email Address Detection: Identifies over 3000+ domains of temporary email services.
Catch-All Detection: Detects common catch-all email addresses associated with low open rates.
Syntax Validation: Instantly detects and flags email addresses with invalid syntax.
Domain Checks: Verifies the email domain's existence and its configuration to accept emails.
Quality Score: Assigns a score to each email address to rate its overall quality and validity.
Bulk Email List Cleaning: Allows users to upload email lists (e.g., as CSV) for comprehensive verification.

Use Cases

Null Bounce Use Cases

Cleaning email marketing lists to improve deliverability.
Reducing bounce rates for email campaigns.
Verifying user email addresses during sign-up or registration.
Maintaining a positive sender reputation with email service providers.
Validating email lists before sales outreach or lead generation activities.
Ensuring data hygiene for CRM and contact databases.

CampaignKit Use Cases

Cleaning email marketing lists to improve deliverability and engagement.
Reducing email bounce rates to maintain a healthy sender reputation.
Verifying customer email databases to remove invalid and risky contacts.
Filtering out disposable or temporary email addresses from sign-up forms.
Identifying catch-all email addresses to refine audience segmentation.
Improving the accuracy of email data before launching outreach campaigns.

FAQs

Null Bounce FAQs

Do my credits ever expire?

No. All the credits you purchase or receive for free will always be available in your account.
How fast is Null Bounce?

Verification speed depends on factors like list size and quality. An average list of 100,000 emails is typically completed in less than 2 hours.
Do you share my data?

No, never. Your data is erased 30 days after you upload your file, unless you choose to delete it sooner.
What payment methods do you support?

We support major payment cards like MasterCard, Visa, Maestro, American Express, and also PayPal.

CampaignKit FAQs

How do you protect my data?

We keep submitted email addresses during the lifetime of the validation. No email addresses are stored on CampaignKit's servers nor do we forward the email addresses to any 3rd party service. All communication between you and the CampaignKit servers is encrypted.
Do you send emails during the validation?

No. No emails are ever send to the recipient's mailbox.
How do you perform mailbox deliverability validation?

The validator tries to connect to the recipient's mail server, issues a MAIL command (using an email address from the validator not associated with you) followed by an RCPT command with the email address. Email servers respond with some defined response codes and additional information. This is used to detect if the mailbox is available. Instead of continuing the session, the connection will be closed (no email will be sent).
Does this work for ESPs like gmail?

Yes. Mailbox deliverability validation works for ESPs like gmail.com, icloud.com, yahoo.com. Some providers may impose penalties for too many connection attempts, temporarily rejecting new connections, which requires the validator to slow down.
Do I need to buy credits?

Yes. You buy credits depending on your needs. A credit is only used for successfully validated emails. You don't pay for syntax failures. You get 25 email validations for free upon signup.