Is MillionVerifier or ZeroBounce cheaper?

MillionVerifier starts at $39 for 10,000 credits, or $0.0039 per email (free plan available). ZeroBounce starts at $0 for 100 credits a month, then $39 for 2,000 pay-as-you-go credits or $99 a month for ZeroBounce ONE (free plan available).

MillionVerifier vs ZeroBounce

An independent, review-free comparison compiled by the SaaSTracker editorial team. Both products are profiled in full, and neither can pay for placement here.

The short answer

Both sides assessed

MillionVerifier compared with ZeroBounce

The clearest price-versus-assurance fork in the category. ZeroBounce charges $649 for the 100,000 addresses MillionVerifier charges $149 for, and in exchange offers SOC 2 Type 2, ISO 27001, HIPAA, its own data centre, EU routing, and a full deliverability suite. If nobody is auditing your vendor choices, MillionVerifier is four times better value for the same core job. If somebody is, ZeroBounce is the only one of the two that can answer.

ZeroBounce compared with MillionVerifier

MillionVerifier charges $149 for the 100,000 addresses ZeroBounce charges $649 for, does not charge for catch-alls or unknowns at all, and backs results with a money-back guarantee tied to a 4 percent hard bounce threshold. It has almost no compliance documentation and a four-person team. This is the clearest fork in the category: buy MillionVerifier if the job is cleaning lists cheaply, buy ZeroBounce if someone will audit your vendor choices.

Choose MillionVerifier if

Cost-sensitive email marketers, agencies, and outbound teams cleaning lists in the tens of thousands to millions, who want the lowest defensible cost per usable answer and do not need certifications, a deliverability suite, or a large vendor behind them.

Choose ZeroBounce if

Companies that need one vendor to cover verification and deliverability together, and especially those selling into regulated or procurement-heavy buyers where SOC 2 Type 2, ISO 27001, HIPAA, and a signed DPA with EU routing are requirements rather than nice-to-haves.

Side by side

13 attributes

Attribute	MillionVerifier	ZeroBounce
Category	Verification	Verification
Starting price	$39 for 10,000 credits, or $0.0039 per email (free plan available)	$0 for 100 credits a month, then $39 for 2,000 pay-as-you-go credits or $99 a month for ZeroBounce ONE (free plan available)
Pricing model	Prepaid credits only, sold as one-time packages on a published volume ladder, with no subscription, no contract, and no expiry. Billing applies to good and bad results only.	Two paths that combine: prepaid pay-as-you-go credits on a volume ladder, and the ZeroBounce ONE monthly subscription which bundles credits and deliverability tools and discounts further credit purchases by 15 percent.
Free plan	100 free credits on account creation, plus 100 free checks in the single-address Email Checker.	100 validation credits per month, 10 email finder credits, one inbox placement test, one email server test, and one blacklist monitor. Credits refresh monthly and do not expire.
Free trial	No time-limited trial; 100 free credits on signup with no credit card	No separate trial; the free tier is permanent and refreshes monthly
Best for	Cost-sensitive email marketers, agencies, and outbound teams cleaning lists in the tens of thousands to millions, who want the lowest defensible cost per usable answer and do not need certifications, a deliverability suite, or a large vendor behind them.	Companies that need one vendor to cover verification and deliverability together, and especially those selling into regulated or procurement-heavy buyers where SOC 2 Type 2, ISO 27001, HIPAA, and a signed DPA with EU routing are requirements rather than nice-to-haves.
Setup time	Ten minutes. Create an account, take the 100 free credits, upload a file or connect an ESP. The API is documented as a five-minute connection and self-serve keys mean no waiting on anybody.	Minutes for a list upload or an API key. Connecting an ESP or CRM integration takes an hour at most. Standing up the deliverability suite, meaning placement tests, blacklist monitors, and DMARC ingestion, is a half-day exercise because DNS changes are involved.
Learning curve	Minimal. The result vocabulary is good, bad, and risky, which is deliberately simpler than the multi-status taxonomies of ZeroBounce or Emailable, and the download splits into the files you actually need. The bundled EmailAcademy PRO covers the deliverability context for teams new to this.	Moderate, and it comes from breadth rather than difficulty. The validation statuses and sub-statuses are richer than most competitors and reward reading the documentation once. The suite tools each carry their own mental model, and teams commonly use two of them and ignore the rest.
Platforms	Web application, REST API with SDKs, Real-time signup widget, EverClean ESP connector, 40-plus integrations	Web application, REST APIs, iOS app, 200-plus native integrations, Zapier
Compliance	No certifications published; the company states general GDPR-aware handling but publishes no SOC 2, ISO 27001, or audit evidence	SOC 2 Type 2 (Type 2 since March 2022, audited annually), ISO/IEC 27001:2022 (certified by MSECB), HIPAA SOC 2 Type 2 with BAA available, EU GDPR with internal DPO and EU and UK DPAs, CCPA and CPRA, PCI DSS with monthly third-party assessments, EU-US and Swiss-US Data Privacy Framework participant, EU AI Act readiness documented
Founded	2016	2015
Headquarters	Hungary, operated by GBD Software as a Service	Boca Raton, Florida, United States
Ownership	Bootstrapped and privately held; no outside investment	Bootstrapped and founder-led; no outside investment

Strengths and limitations

MillionVerifier

Strengths

The cheapest published ladder among the general-purpose verifiers here: $39 per 10,000, $149 per 100,000, $449 per million, falling to $0.00017 per address at fifty million.
Charges nothing for risky results, including unresolved catch-alls, which is the most generous billing policy in the category and materially lowers the real cost on B2B lists.
Built-in catch-all resolution converts 30 to 40 percent of accept-all addresses into definite verdicts inside the normal pass, with no premium credit and no separate workflow.
A plainly worded money-back guarantee: exceed 4 percent hard bounce after cleaning and the last payment is refunded, with the vendor explicitly claiming no small print.

Limitations

No published security certifications at all: no SOC 2, no ISO 27001, no trust centre, no penetration test summary, no data residency statement.
Public sources put the team at roughly four people, which is a real concentration risk for a service sitting in the path of your sending programme.
No deliverability suite: no inbox placement testing, no blacklist monitoring, no DMARC reporting, no warmup, so this is one tool among several rather than a consolidation play.
Catch-all resolution at 30 to 40 percent is a fraction of what BounceBan claims, so a list that lives or dies on the accept-all bucket may still need a specialist.

ZeroBounce

Strengths

By far the strongest compliance posture in the category: SOC 2 Type 2, ISO/IEC 27001:2022, HIPAA with BAA, PCI DSS, GDPR with an internal DPO, CCPA and CPRA, Data Privacy Framework participation, and documented EU AI Act readiness.
Runs on its own owned data centre hardware rather than public cloud, which eliminates a long list of subprocessor and residency objections before they are raised.
Selectable EU-only or US-only API routing plus 30-day automatic deletion of uploaded files gives a concrete, checkable data-handling story rather than a policy paragraph.
The breadth is real: validation, AI scoring, email finder, activity data, inbox placement, blacklist monitoring, DMARC, server testing, warmup, and a deliverability dashboard from one account.

Limitations

The most expensive per-credit pricing of any self-serve vendor in this comparison set, by a wide margin at every volume below a million.
The pay-as-you-go ladder is punishing at low volume: $0.0195 per address at the 2,000 minimum is more than sixteen times what Reoon charges for a 10,000 pack.
Catch-all addresses are labelled rather than resolved, so the hardest and most valuable part of a B2B list still comes back as a judgement call, mitigated only by a separately billed scoring product.
The free tier at 100 credits a month is an evaluation allowance and cannot support any real cleaning workload.

Pricing compared

MillionVerifier

Prepaid credits only, sold as one-time packages on a published volume ladder, with no subscription, no contract, and no expiry. Billing applies to good and bad results only.

Starter volumes$39 to $89
Growth volumes$149 to $449
Bulk volumes$799 to $8,499

On raw cost per usable answer, nothing in this comparison set beats MillionVerifier. Cleaning 100,000 addresses costs $149 against $400 at Bouncer, $649 at ZeroBounce, and $300 at BounceBan, and the not-charging-for-risky rule means the real bill on a B2B list is lower still. Add the 10 percent auto top-up bonus and the arithmetic gets slightly absurd. What you give up is everything that is not verification: no compliance evidence, no deliverability suite, no enterprise relationship, no meaningful vendor scale. For an email marketer or agency whose success metric is a clean list and a low bill, this is the correct default. For anyone whose success metric includes surviving a security questionnaire, it is not an option at any price.

ZeroBounce

Two paths that combine: prepaid pay-as-you-go credits on a volume ladder, and the ZeroBounce ONE monthly subscription which bundles credits and deliverability tools and discounts further credit purchases by 15 percent.

Freemium$0
Pay as you go$39 to $26,998
ZeroBounce ONE (monthly)$99
ZeroBounce ONE (annual)$948

Priced purely as a verifier, ZeroBounce is the most expensive credible option here: $649 to clean 100,000 addresses against $149 for MillionVerifier and $135 for DeBounce. Priced as a deliverability platform with audited compliance, owned infrastructure, EU routing, and a HIPAA BAA, it is reasonable, because the alternative is a cheap verifier plus a placement testing tool plus a blacklist monitor plus a warmup service plus a security questionnaire nobody can answer. The decision is therefore not about credits at all. If you will use the suite or you need the certifications, ZeroBounce ONE at $79 to $99 a month is defensible. If you want a clean list and nothing else, you are overpaying by a factor of four and should buy elsewhere.

Editorial verdict on each

MillionVerifier

Best Value

MillionVerifier wins the argument it chose to have. On cost per usable answer it is the cheapest credible verifier here, and the two policies behind that, never charging for risky results and resolving 30 to 40 percent of catch-alls inside a standard credit, matter more on a real B2B list than the headline rate does. Add non-expiring credits, a 10 percent auto top-up bonus, and a money-back guarantee written in one sentence, and the value case against ZeroBounce or NeverBounce is not close. The counterweight is everything the company chose not to build: no certifications, no trust centre, no residency commitment, no deliverability suite, and roughly four people behind the whole operation. If you are an email marketer, agency, or outbound team cleaning lists and answering to nobody's security questionnaire, buy this and spend the savings on sending. If your procurement process has a checklist, this will not clear it, and you should not pretend otherwise.

Read the full MillionVerifier profile

ZeroBounce

Category Leader

ZeroBounce is the vendor you buy when the purchase has to survive scrutiny. SOC 2 Type 2, ISO/IEC 27001:2022, HIPAA with a BAA, PCI DSS, EU and UK DPAs, selectable EU routing, 30-day deletion, quarterly penetration tests, and its own data centre add up to a posture nothing else in this category approaches, and around that sits a genuinely broad deliverability suite that can retire three or four other subscriptions. The price is the price of all that: at $649 per 100,000 addresses it costs four times MillionVerifier and does not even try to resolve the catch-alls that matter most to outbound teams. Buy it if compliance, breadth, or consolidation is what you are actually solving for, and take ZeroBounce ONE annually at $79 a month so the bundled tools carry their weight. If you simply want a clean list at the lowest defensible cost, this is the wrong end of the market.

Read the full ZeroBounce profile

MillionVerifier profile last reviewed 2026-08-22; ZeroBounce last reviewed 2026-08-22. Pricing is compiled from public sources and can change without notice. See our methodology.