How we make this list: we compare pricing pages, product documentation and public user reviews. Ratings come from G2, Capterra or Trustpilot, with the date we checked them.
Key takeaways
- ZeroBounce sells pay-as-you-go credits from $39 for 2,000 addresses, with 10,000 credits at $129 and a ONE subscription from $99 a month, and its credits never expire.
- DeBounce is the cheapest option at every volume, near $10 for 5,000 checks and $90 for 100,000, with 100 free credits and credits that never expire.
- MillionVerifier is the lowest-cost option on big lists among mainstream tools, near $37 for 10,000 and $370 for 100,000, with 500 free credits.
- Bouncer offers the best value at scale among standalone verifiers with transparent billing, near $60 for 10,000 and $400 for 100,000, with credits that never expire.
- NeverBounce and BriteVerify both expire credits after 12 months, which matters for occasional buyers, while Emailable, Kickbox, and Clearout sit in the mid-price band.
Quick comparison
| Tool | Best for | Starting price | Free plan |
|---|
 NeverBounce | Keeping a CRM clean | $8 per 1,000 credits | No |
 Bouncer | Value at scale with toxicity checks | $40 per 5,000 credits | Yes |
 Emailable | High accuracy with generous free credits | $50 per 5,000 verifications | Yes |
 Kickbox | Teams already using it via integrations | $40 per 5,000 credits | Yes |
 DeBounce | Lowest cost at every volume | $10 per 5,000 credits | Yes |
 MillionVerifier | Lowest cost on big lists | $37 per 10,000 credits | Yes |
 Clearout | Transparent mid-price verification | $58 per 10,000 credits | Yes |
 BriteVerify | Simple credit-based verification | $40 per 5,000 addresses | No |
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We review this list regularly. Vendors can request a listing, send updated pricing or ask about featured placement.
The best ZeroBounce alternatives
Starting price$8 per 1,000 credits
Free planNo
NeverBounce is best for keeping a CRM clean continuously rather than verifying one list at a time. Its Growth subscription at $49 a month for up to 10,000 emails auto-syncs with your CRM, charging only for new, unique emails, which suits sales and marketing teams whose lists change daily. Pay as you go at $8 per 1,000 credits and $50 for 10,000 covers one-off lists, with real-time verification, automatic typo fixes such as correcting gmai to gmail, and integrations with Zapier, HubSpot, and Mailchimp.
The expiry rule matters: pay-as-you-go credits expire 12 months after purchase, unlike ZeroBounce, Bouncer, and DeBounce, whose credits never expire. Growth adds AI scoring and flags bad emails before they reach your CRM. For a team that wants CRM auto-sync and continuous verification, NeverBounce is the workflow pick.
What we like- Pay as you go at $8 per 1,000 credits and $50 for 10,000
- Growth plan at $49 a month for up to 10,000 emails with CRM auto-sync
- Real-time verification with typo fixes
- 80 plus integrations
Watch out for- Pay-as-you-go credits expire after 12 months
- 100,000-credit cost near $400 to $800 depending on model
- Free trial credits are limited
#2Bouncer
Best for: Value at scale with toxicity checks4.8/5 on
G2 (338 reviews, checked Oct 2026)
Visit usebouncer.com
Starting price$40 per 5,000 credits
Free planYes
Bouncer offers the best value at scale among standalone verifiers with transparent billing. Its pricing runs $40 for 5,000 credits, $60 for 10,000, and $400 for 100,000, with credits that never expire and 100 free credits on signup. Accuracy sits at 99 percent plus, and toxicity checks flag risky addresses that other verifiers pass.
The trade is feature depth: Bouncer lacks ZeroBounce ONE's bundled inbox placement tests, warmup seeds, and DMARC monitoring, though its core verification is strong. For a team that verifies large lists regularly and wants transparent pricing without expiry pressure, Bouncer is the scale pick.
What we like- $40 for 5,000 credits, $60 for 10,000, $400 for 100,000
- Credits never expire
- 99 percent plus accuracy
- Toxicity checks included
- 100 free credits on signup
Watch out for- Per-email cost at small volumes is higher than DeBounce or MillionVerifier
- Fewer deliverability extras than ZeroBounce ONE
#3Emailable
Best for: High accuracy with generous free credits4.8/5 on
G2 (277 reviews, checked Oct 2026)
Visit emailable.com
Starting price$50 per 5,000 verifications
Free planYes
Emailable suits teams that want high accuracy with a generous trial. Its 250 free credits for new accounts are the most generous on this list, letting a team test on a real list before paying. Accuracy sits at 99 percent plus, with monthly plans and pay-as-you-go options, and credits never expire.
Pricing runs $50 for 5,000 verifications, $60 for 10,000, and $420 for 100,000, which is mid-range: above DeBounce and MillionVerifier but below ZeroBounce at $649 for 100,000. For a team that values accuracy and a large free test, Emailable is the safe mid-price pick.
What we like- 99 percent plus accuracy
- 250 free credits for new accounts, the most generous here
- $50 for 5,000 verifications, $60 for 10,000, $420 for 100,000
- Credits never expire
- 20 plus native integrations
Watch out for- Per-email cost at 100,000 near $0.0042 is mid-range, above DeBounce and MillionVerifier
- Fewer bulk extras than ZeroBounce
Starting price$40 per 5,000 credits
Free planYes
Kickbox is the integration-friendly verifier. Its flexible pay-as-you-go model with auto-recharge suits API users who verify in real time, and its 25 plus ESP integrations cover most email platforms. Pricing runs 5,000 credits for $40, with 100 free credits on a free account and reported accuracy near 98 percent.
The 100,000-credit cost varies by source, from $500 to $800, so confirm volume pricing before a large purchase, and credit expiry is not clearly stated. For a team already using Kickbox through integrations, staying put makes sense. For a new buyer, Bouncer or Emailable offers clearer volume pricing.
What we like- Flexible pay-as-you-go with auto-recharge for API use
- 5,000 credits for $40
- 98 percent reported accuracy
- 25 plus ESP integrations
- 100 free credits
Watch out for- 100,000-credit cost near $500 to $800 depending on source
- Credit expiry is not clearly stated
- Fewer free credits than Emailable
#5DeBounce
Best for: Lowest cost at every volume4.5/5 on
G2 (182 reviews, checked Oct 2026)
Visit debounce.io
Starting price$10 per 5,000 credits
Free planYes
DeBounce is the clear winner on pure cost per check. Its pricing runs $10 for 5,000 credits, near $15 for 10,000, and near $90 for 100,000, which undercuts every rival here by a wide margin, including EmailListVerify at $186 for 100,000. Credits never expire, 100 free credits cover a first test, and 40 plus integrations cover most stacks.
Accuracy near 97.5 percent plus trails the 99 percent leaders, so a team with strict deliverability requirements should test on its own lists before committing fully. For a team verifying large lists on a budget, DeBounce delivers 95 percent of the value at a fraction of the cost.
What we like- Cheapest at every volume: $10 for 5,000, near $15 for 10,000, near $90 for 100,000
- Credits never expire
- 100 free credits
- 40 plus integrations
- 97.5 percent plus accuracy
Watch out for- Accuracy near 97.5 percent plus trails the 99 percent leaders
- Fewer enterprise features than ZeroBounce or NeverBounce
- Smaller brand
Starting price$37 per 10,000 credits
Free planYes
MillionVerifier is the lowest-cost option on big lists among mainstream tools. Its pricing runs near $37 for 10,000 credits and $370 for 100,000, with 500 free credits, the most generous on this list, and credits that never expire. Accuracy sits at 99 percent plus, which matches the leaders despite the low price.
The brand is smaller than ZeroBounce or NeverBounce, and integrations are fewer than Kickbox's, though slider-based pricing estimates should be confirmed in checkout. For a team verifying 100,000 plus emails that wants low cost without giving up accuracy, MillionVerifier is the big-list pick.
What we like- Near $37 for 10,000 and $370 for 100,000
- 500 free credits, the most generous here
- Credits never expire
- 99 percent plus accuracy
- Low per-email cost at scale
Watch out for- Smaller brand than ZeroBounce or NeverBounce
- Fewer integrations than Kickbox
- Enterprise features are thinner
#7Clearout
Best for: Transparent mid-price verification4.6/5 on
G2 (603 reviews, checked Oct 2026)
Visit clearout.io
Starting price$58 per 10,000 credits
Free planYes
Clearout is the transparent mid-price verifier. Its Pro plan near $58 for 10,000 credits and 100,000-credit cost near $400 sit in the middle of this list, with 100 free credits and credits that never expire and roll over. Accuracy sits at 99 percent, matching the leaders.
Some comparisons list 100,000-credit pricing as custom, so confirm volume figures before a large purchase. Integrations are fewer than NeverBounce's 80 plus, and deliverability extras are thinner than ZeroBounce ONE's bundle. For a team that wants mid-price verification with rollover credits, Clearout is a solid, transparent choice.
What we like- Pro near $58 for 10,000 credits
- 100,000-credit cost near $400
- 100 free credits
- Credits never expire and roll over
- 99 percent accuracy
Watch out for- 100,000-credit pricing is custom in some comparisons
- Smaller integration set than NeverBounce
- Fewer deliverability extras than ZeroBounce ONE
#8BriteVerify
Best for: Simple credit-based verification4.2/5 on
G2 (74 reviews, checked Oct 2026)
Visit briteverify.com
Starting price$40 per 5,000 addresses
Free planNo
BriteVerify, now part of Validity, is the simple credit-based verifier. Its buy-credits-as-needed model at $40 for 5,000 addresses suits a team that verifies occasionally and wants no subscription. Accuracy runs 97 to 98 percent, and custom options cover larger volumes.
The gaps are real: no free trial or free credits, credits expire after 1 year, and 100,000-credit cost near $1,000 in some comparisons is the highest here. Only 7 official integrations are listed, with custom options for the rest. For a team that verifies rarely and values simplicity over cost, BriteVerify works, but DeBounce or Bouncer delivers more value for most buyers.
What we like- Simple buy-credits-as-needed model at $40 for 5,000 addresses
- 97 to 98 percent accuracy
- Custom options for larger volumes
Watch out for- No free trial or free credits
- Credits expire after 1 year
- 100,000-credit cost near $1,000 in some comparisons, the highest here
- Only 7 official integrations
How we chose
We compared each tool against what ZeroBounce actually sells: bulk and real-time email verification with deliverability extras such as blacklist monitoring, inbox tests, and email finder credits. Pricing figures come from vendor pages and published comparisons checked in 2026, and anything we could not confirm is written as "See website". We favored tools that serve US senders with transparent credit pricing, and we flagged where credits expire, since expiry rules decide the real cost for occasional buyers.
What to check before you pick
Start with volume and frequency. If you verify large lists rarely, favor credits that never expire, such as DeBounce, Bouncer, MillionVerifier, and Emailable. If you verify continuously, favor a subscription with CRM auto-sync, such as NeverBounce Growth. Then check four things before buying: cost at your actual volume, not just the entry pack, since ZeroBounce's entry pack is the highest here while its 100,000 cost is mid-range; whether duplicate and unknown results are charged, since ZeroBounce does not charge for those; whether catch-all handling costs extra, since ZeroBounce charges double credits for catch-all domains; and whether you need deliverability extras such as inbox tests and blacklist monitoring, which only ZeroBounce ONE bundles. Test every finalist on the same 1,000-address sample and compare accuracy, catch-all handling, and speed before committing, since published accuracy figures rarely match a real list exactly.
Frequently asked questions
What does ZeroBounce cost?
ZeroBounce pay-as-you-go starts at $39 for 2,000 credits, with 10,000 credits at $129 and a ONE subscription from $99 a month for 10,000 credits, or $79 a month billed annually. Credits never expire, and duplicate and unknown results are not charged.
Which ZeroBounce alternative is cheapest?
DeBounce is cheapest at every volume, near $10 for 5,000 checks and $90 for 100,000. MillionVerifier is cheapest on big lists among mainstream tools, near $370 for 100,000 with 99 percent plus accuracy.
Do verification credits expire?
It depends on the vendor. ZeroBounce, Bouncer, DeBounce, MillionVerifier, Emailable, and Clearout credits never expire. NeverBounce and BriteVerify credits expire after 12 months.
What accuracy should I expect?
Most leaders claim 99 percent accuracy, with DeBounce near 97.5 percent plus and BriteVerify near 97 to 98 percent. Test on your own lists, since published figures rarely match a real list exactly.
Do I need verification if I use double opt-in?
Yes, though less urgently. Double opt-in confirms consent, but verification still catches typos, disposable addresses, and role-based addresses that hurt deliverability. Verification matters most for purchased, imported, or older lists.
What is a catch-all domain?
A catch-all domain accepts mail to any address at that domain, so verification cannot confirm whether a specific mailbox exists. ZeroBounce charges double credits for catch-all domains, while other tools use AI scoring to judge them.
Sources we checked (8)
- https://neverbounce.com/
- https://www.usebouncer.com/
- https://emailable.com/
- https://kickbox.com/
- https://debounce.io/
- https://www.millionverifier.com/
- https://clearout.io/
- https://www.briteverify.com/
Is your product missing or out of date?
We review this list regularly. Vendors can request a listing, send updated pricing or ask about featured placement.
Shihab Mia · Founder, Rankite
Shihab has 5+ years in B2B and SaaS SEO. He writes Rankite's software buying guides from pricing pages, documentation and public user reviews. More about Shihab.