Kickbox vs NeverBounce
We give Kickbox and NeverBounce the same GPA: 2.4 out of 4.0. They get the same grade on all five counts.
Price, platforms and features side by side. The table says where each price was read and when.
Kickbox
Pay-as-you-go email verification with an optional threat score
NeverBounce
Email list cleaning and real-time verification, now part of ZoomInfo
How we grade them
| 2.4GPAKickboxFair | 2.4GPANeverBounceFair | |
|---|---|---|
| Value for money | C$70 for a one-off pack of 10,000. Among its listed rivals only ZeroBounce (about $129) costs more; NeverBounce is $50, Bouncer and Emailable $60 and DeBounce $25. Unknown results are refunded, and Threat Score costs one more credit only when it finds something. | C$50 for a one-off 10,000 checks. Among its listed rivals that's under Bouncer and Emailable ($60) and Kickbox ($70), but DeBounce charges $25. And the credits expire 12 months after purchase, where Bouncer's, Emailable's and DeBounce's never do. |
| Free plan and trial | CNo free plan, but the first 100 checks are free. Enough to see what the results look like, not to clean a real list. | CNo free plan, but free test credits and a free analysis of your list, with no card. Fine for seeing how messy a list is, not for cleaning it. |
| Features | CIt does the checking job fully: bulk lists, a real-time API with a sandbox, a free check for disposable domains and an optional Threat Score. That's a smaller job, though: no warm-up, placement tests or DMARC tools. | CIt does the checking job fully: bulk cleaning, a real-time API, typo fixes, the company behind each address and automatic Sync. That's a smaller job, though: no warm-up, placement tests or DMARC, and Sync and AI scoring need Growth. |
| Ease of use | BNo App Store rating on record, but nothing to set up: upload a list and it comes back sorted by deliverability. Kickbox says 100,000 addresses take about an hour. | BNo App Store rating on record, but nothing to set up: upload a list and get results, with up to 10 lists cleaning at once on pay-as-you-go. |
| Platforms and integrations | BWeb and an API, with Mailchimp, Klaviyo, HubSpot, Braze, Iterable, SendGrid and Salesforce, and more through Zapier. No phone or desktop app. | BWeb and an API, with HubSpot, Mailchimp, Zapier, n8n, Marketo, Oracle Eloqua, Constant Contact and AWeber. No phone or desktop app. |
| Best for | checking sign-ups as they happen | keeping a CRM's contacts checked automatically |
The GPA is the average of the five grades: an A is 4 points, an F is none. The full reasons are on each tool's page: Kickbox and NeverBounce. How we grade
Where they differ
- Kickbox starts at $5 one-time for 500 verifications. NeverBounce starts at $8 one-time for 1,000 credits.
At a glance
| Kickbox | NeverBounce | |
|---|---|---|
| Pricing | Free trial | Free trial |
| Starts at | $5 one-time for 500 verifications | $8 one-time for 1,000 credits |
| Free plan | None | None |
| Free trial | The first 100 verifications are free | Free test credits and a free list analysis, no credit card required |
| Web | ||
| Made by | J2 Martech Corp | ZoomInfo Technologies LLC |
| Price read from | kickbox.com | neverbounce.com |
| Checked | Oct 18, 2026 | Oct 18, 2026 |
Who each one suits
Kickbox
- Marketers who verify a list now and then without a subscription
- Developers adding real-time checks to a sign-up form
- Teams on Braze, Iterable or Klaviyo that want verification built in
NeverBounce
- Marketers who clean a list before an occasional send
- Teams that want a CRM or email platform rechecked automatically
- Teams that feed contacts into AI agents and automated workflows
Worth knowing
Kickbox
- Only pay-as-you-go packs are listed; there is no monthly plan on the pricing page.
- Kickbox verifies addresses only; it has no warm-up, inbox placement testing or DMARC tools.
- Threat Score can double the cost per address when it finds a signal.
NeverBounce
- Pay-as-you-go credits expire 12 months after purchase.
- NeverBounce only verifies addresses; it has no warm-up, inbox placement or DMARC tools.
- Automatic syncing and AI scoring need the $49 a month Growth plan.
Key features
Kickbox
- List verification
- Upload a list and Kickbox sorts each address by deliverability; the vendor says 100,000 addresses take about an hour.
- Verification API
- Checks addresses at sign-up in real time, with a sandbox mode for testing without spending credits and a free endpoint for spotting disposable domains.
- Threat Score
- Flags addresses linked to abuse, complaints or a poor sending reputation, for one extra credit only when a threat signal is found.
- Native integrations
- Verifies lists inside Mailchimp, Klaviyo, HubSpot, Braze, Iterable, SendGrid and others, with more through Zapier.
- Deliverability consulting
- Deliverability audits and consulting from Kickbox's own team are offered as a separate service beside verification.
NeverBounce
- Bulk list cleaning
- Upload a list for results in one go; pay-as-you-go accounts can clean up to 10 lists at once, and Growth any number in parallel.
- Real-time verification API
- Checks addresses as they arrive from sign-up forms or apps, and fixes common typos such as gmai for gmail.
- Sync
- Connects to a CRM or email platform and keeps its contacts verified automatically, charging only for new, unique addresses.
- Company data
- Returns the company name behind each business address, and Growth adds AI scoring of how likely a contact is to convert.
- GTM Guard
- Checks contacts before they reach AI agents and automated workflows, with n8n workflow blueprints for building them.
Plans
Kickbox
Pay as you go$5
one-time for 500 verifications
Larger packs cost less per check: $10 for 1,000, $70 for 10,000, $500 for 100,000 and $2,999 for 1 million. Unknown results are refunded.
CustomCustom
Volume pricing for more than 1 million verifications, through sales.
NeverBounce
Pay as you go$8
one-time for 1,000 credits
Credits last 12 months. Bulk rates in the page's volume menu: $50 for 10,000, $400 for 100,000 and $2,500 for 1 million.
Growth$49
per month for up to 10,000 emails
Automatic CRM sync charged only for new unique emails, AI scoring and 200 AI-picked leads a month. $159 a month at 100,000 emails in the page's menu.
EnterpriseCustom
Typically 250,000+ emails a month, with unlimited use across teams, advanced security and compliance, and an account manager.
Ways to pay less
Kickbox
- Nonprofit
15% off for nonprofits
Kickbox gives nonprofit organizations a 15% discount on verification.
NeverBounce
- Nonprofit
Nonprofit discounts on request
NeverBounce's pricing FAQ says nonprofits can get discounted verification by applying through its nonprofit pricing page.
