Kickbox vs Clearout
Both are well-known email verifiers. Here’s how Kickbox and Clearout stack up on accuracy, pricing and features — and where a bundled tool like BounceBlock changes the math.
| Kickbox | Clearout | BounceBlock | |
|---|---|---|---|
| Accuracy (claimed) | Guarantees 95% deliverability accuracy | Markets 99.73% | Deep SMTP + true catch-all resolution |
| Pricing model | Credit-based, flat per-email | Credit-based, usage tiers | Flat monthly |
| Free tier | 100 free verifications | 100 free credits | 100 rows / month |
| Credits expire? | No | No | No credits — flat allowance |
| Phone validation | — | ● | ● |
| Company data | — | ● | ● |
Based on public pricing/marketing pages (June 2026); details change — verify current specifics on each vendor’s site.
The honest breakdown
Kickbox
Guarantees 95% deliverability accuracy
A clean, minimal API and a Sendgrid-grade reputation — owned by Validity, with SOC 2 credibility.
Clearout
Markets 99.73%
The closest multi-product analog — email + ClearoutPhone + company/enrichment + Form Guard + prospecting, HubSpot-certified.
The verdict
Choose Kickbox if developers who want a clean API and a credible, no-frills verifier.
Choose Clearout if teams that want email + phone + company in one vendor and accept credit-based billing.
Consider BounceBlock if you’d rather verify email and phone and company in one upload, at a flat monthly price, and never get charged for an “unknown” result.
Frequently asked
Is Kickbox or Clearout more accurate?
Kickbox guarantees 95% deliverability accuracy, while Clearout markets 99.73%. Marketed accuracy numbers are rarely independently audited, so weigh them alongside catch-all handling and how each tool treats 'unknown' results.
Which is cheaper, Kickbox or Clearout?
Kickbox is credit-based, flat per-email (~$0.008 / email (flat)); Clearout is credit-based, usage tiers (Usage-based credit packs). For irregular volumes, credit-metered pricing is harder to predict than a flat plan.
Do Kickbox or Clearout validate phone numbers?
Kickbox is email-only. Clearout bundles phone validation. BounceBlock validates email and phone (line type, carrier, status) in the same upload.
What's a good alternative to both?
If you want email, phone and company verification in one flat-priced pass, BounceBlock covers all three — and you only get charged a flat allowance, never per unknown.
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