Email verification tools
Ken is our productZeroBounce vs NeverBounce: Which Is Better in 2026?
NeverBounce costs less per check, at $400 for 100,000 credits against $649 on ZeroBounce. Pick ZeroBounce if you need catch-all addresses scored or want warmup and inbox placement tests from the same vendor.
Ken is our product. Every fact about other tools comes from their public pages on the date shown.
The Verdict
ZeroBounce or NeverBounce?
Ken's view, from each vendor's public pages checked Oct 17, 2026.
Pick ZeroBounce if
- You want catch-all addresses scored from 1 to 10 instead of marked Unverifiable.
- You want warmup, inbox placement tests and blacklist monitoring next to your validation credits.
- You verify up to 100 emails a month and want that free, with a business or premium email domain.
Pick NeverBounce if
- You want a lower price per verification, from $8 for 1,000 credits.
- You want contacts in HubSpot and other tools re-verified on a schedule with Sync, on Growth from $49 a month.
- You want a written promise of no more than 3% bounces on emails it marks valid.
At a Glance
In short Of the 9 features below, ZeroBounce has 8 and NeverBounce has 6 in full, from each vendor's public pages checked Oct 17, 2026.
| Feature | ZeroBounce | NeverBounce | Ken(ours) |
|---|---|---|---|
| Free plan or free credits | Yes - 100 validations a month with a business or premium domain | Yes - free test credits and a free list analysis | Partial - 1,000 credits once, no card, for valid emails Ken finds; verifying uploaded lists needs Platform |
| Pay-as-you-go credits, no subscription | Yes - from 2,000 credits for $39 | Yes - from 1,000 credits for $8, credits expire after 12 months | No - verification comes with Platform, $200/month |
| Bulk list verification (CSV upload) | Yes - 1 credit per email, unknowns and duplicates free | Yes - 1 credit per email, duplicates and bad syntax removed free | Yes - unlimited for uploaded lists on Platform (fair-use rate limits apply) |
| Catch-all handling | Yes - A.I. Scoring rates catch-alls from 1 to 10, 1 extra credit per email | Partial - detects accept-all addresses and labels them Unverifiable | Yes - three rounds of verification, including catch-alls |
| Real-time verification API | Yes - 1 credit per email, same as bulk | Yes - single-check API and form widget, 1 credit per email | No - verification runs inside Ken, no standalone endpoint |
| Published accuracy guarantee | Yes - says 99.6% validation accuracy, guaranteed | Yes - no more than 3% bounces on valid emails or it refunds the difference, with conditions | No |
| CRM integration (HubSpot, Salesforce) | Yes - HubSpot and Salesforce integrations | Yes - HubSpot and Salesforce among 80+ integrations | Partial - email events one way to HubSpot, Salesforce, Pipedrive, Attio, Close and GoHighLevel through OutboundSync; native two-way sync coming |
| Email finder | Yes - 20 credits per successful query | Partial - only as 200 AI-picked new leads a month on Growth | Yes - 1 credit ($0.02) per valid email found, charged only on success |
| Sends the campaign after verifying | No - warmup and inbox placement tests, no campaign sending | No | Yes - Campaigns over email and LinkedIn, 200,000 sends a month on Platform |
Rows are the features buyers compare in email verification tools. Sources are listed at the end of the page.
How Much Do ZeroBounce and NeverBounce Cost?
In short ZeroBounce's lowest paid plan is ZeroBounce ONE, $99 a month ($79 billed yearly). It also sells pay-as-you-go credits, priced below. NeverBounce's lowest paid plan is Growth, up to 10,000 emails, $49 a month. It also sells pay-as-you-go credits, priced below.
| Tool | Plan | Monthly | Billed yearly (per month) | Unit |
|---|---|---|---|---|
| ZeroBounce | Freemium | $0 | $0 | Flat |
| Includes100 validation credits a month, refilled monthly; 10 Email Finder searches; 1 inbox placement test, 1 email server test and 1 blacklist monitor; No warmup, DMARC monitoring or Activity Data | ||||
| ZeroBounce | ZeroBounce ONE | $99 | $79 | Flat |
| Includes10,000 validation or scoring credits a month, the minimum; 10,000 Email Finder or domain searches a month; 250 warmup seeds, 100 inbox placement tests, 10 blacklist monitors and 1 DMARC domain; Credits never expire while subscribed; 15% off extra pay-as-you-go credits | ||||
| ZeroBounce | Pay as you go, 2,000 credits | Pay as you go | Pay as you go | Usage tiers |
| Includes$39 one-time, $0.0195 per verification; The minimum purchase | ||||
| ZeroBounce | Pay as you go, 100,000 credits | Pay as you go | Pay as you go | Usage tiers |
| Includes$649 one-time, $0.00649 per verification; One-time purchase | ||||
| ZeroBounce | Pay as you go, 1,000,000 credits | Pay as you go | Pay as you go | Usage tiers |
| Includes$3,199 one-time, $0.003199 per verification; One-time purchase | ||||
| NeverBounce | Pay as you go, 1,000 credits | Pay as you go | Pay as you go | Usage tiers |
| Includes$8 one-time, $0.008 per verification; Clean up to 10 lists at once; Credits expire 12 months after purchase | ||||
| NeverBounce | Pay as you go, 10,000 credits | Pay as you go | Pay as you go | Usage tiers |
| Includes$50 one-time, $0.005 per verification; Credits expire 12 months after purchase | ||||
| NeverBounce | Pay as you go, 100,000 credits | Pay as you go | Pay as you go | Usage tiers |
| Includes$400 one-time, $0.004 per verification; Credits expire 12 months after purchase | ||||
| NeverBounce | Growth, up to 10,000 emails | $49 | No yearly price | Flat |
| IncludesUp to 10,000 verifications a month; Automatic Sync with your CRM, only new unique emails use credits; 200 AI-picked new leads a month and AI scoring; Unlimited parallel list cleaning | ||||
| NeverBounce | Enterprise | Contact sales | Contact sales | Custom |
| IncludesTypically 250,000+ emails a month; Unlimited usage across teams, systems and workflows; Dedicated account manager and onboarding | ||||
Prices in USD from each vendor's pricing page: ZeroBounce checked Oct 17, 2026, NeverBounce checked Oct 17, 2026.
- ZeroBounce: Pay-as-you-go packs are one-time purchases, not monthly. The minimum is 2,000 credits for $39, and packs go up to 10,000,000 credits.
- ZeroBounce: ZeroBounce ONE is $99 a month or $948 a year (20% off) at 10,000 credits a month; the price rises with the credit volume you pick. Contact sales above 1,000,000 credits a month.
- ZeroBounce: One credit validates or scores one email, so validating and scoring the same address uses 2 credits. Email Finder uses 20 credits per successful query.
- NeverBounce: Pay-as-you-go packs are one-time purchases, not monthly, and their credits expire 12 months after purchase. Packs start at 1,000 credits for $8 and reach $0.002 per credit at 2,000,000 credits ($4,000).
- NeverBounce: Growth is a monthly subscription priced by volume: $49 for up to 10,000 emails, $99 for 50,000, $159 for 100,000, $249 for 250,000, $499 for 500,000 and $999 for 1,000,000. A yearly Growth term exists, but no annual price is published.
- NeverBounce: One credit verifies one email. Bulk jobs charge for unique, syntactically valid emails when verification starts; duplicates and bad syntax are removed free.
What Are the Key Differences Between ZeroBounce and NeverBounce?
In short 8 differences that change which tool fits, each from the vendors' own pages.
| Topic | ZeroBounce | NeverBounce |
|---|---|---|
| Pay-as-you-go entry | 2,000 credits for $39, $0.0195 each | 1,000 credits for $8, $0.008 each |
| 100,000 checks | $649 | $400 |
| Monthly plan | ZeroBounce ONE, $99 a month or $79 billed yearly, for 10,000 credits plus deliverability tools | Growth, $49 a month for up to 10,000 emails, with Sync |
| Catch-all addresses | A.I. Scoring rates them 1 to 10 for 1 extra credit each | Labeled Unverifiable and excluded from the bounce guarantee |
| Accuracy promise | Says 99.6% validation accuracy, guaranteed | No more than 3% bounces on valid emails or it refunds the difference, with conditions |
| Credit expiry | None during ZeroBounce ONE; otherwise 2 years after the last purchase, for accounts registered after June 1, 2026 | Pay-as-you-go credits expire 12 months after purchase |
| Free tier | 100 validations a month with a business or premium email domain | Free test credits and a free list analysis |
| Extras | Email finder, warmup, inbox placement tests, blacklist and DMARC monitoring | Sync re-verification in connected tools; 80+ integrations listed |
Or Skip Both: Ken
In short Ken Search covers 250M people and 24M companies, searchable by title, seniority, company and location.
Ken's Free plan gives 1,000 credits once, with no card. Platform is $200 a month, or $160 a month billed yearly, with 200,000 sends and 5,000 credits a month and unlimited seats and workspaces.
- Search 250M people and 24M companies.
- Search is free; you pay only for valid emails found, 1 credit ($0.02) each.
- Company and person enrichment is free.
ZeroBounce vs NeverBounce FAQ
Is NeverBounce cheaper than ZeroBounce?
Yes, on pay as you go. NeverBounce charges $8 for 1,000 credits and $400 for 100,000. ZeroBounce starts at $39 for 2,000 and charges $649 for 100,000. NeverBounce credits expire 12 months after purchase; ZeroBounce credits expire 2 years after the last purchase for accounts registered after June 1, 2026, unless you keep a ZeroBounce ONE subscription.
How do ZeroBounce and NeverBounce handle catch-all emails?
ZeroBounce's A.I. Scoring rates catch-all addresses from 1 to 10 for 1 extra credit each. NeverBounce labels accept-all addresses Unverifiable, and its bounce guarantee excludes them.
Do unknown results cost credits?
On ZeroBounce, unknown results and removed duplicates cost nothing. NeverBounce charges for unique, syntactically valid emails when a bulk job starts, and removes duplicates and bad syntax free.
Who owns NeverBounce?
NeverBounce is part of ZoomInfo.
The new Ken opens to the waiting list in batches.
Related
Sources
Changelog
- Page published.