Bouncer 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 assessedBouncer compared with ZeroBounce
ZeroBounce is the certification-heavy American option with HIPAA, SOC 2 Type 2, ISO 27001, owned data centres, and a much broader suite, at $649 per 100,000 against Bouncer's $400. Bouncer answers with EU-only hosting, hashed storage, 60-day deletion, a sharper written guarantee, and better economics at every volume. For European buyers and for anyone who values a specific remedy over a long certification list, Bouncer is the better purchase; for healthcare, US enterprise, or full-suite consolidation, ZeroBounce.
ZeroBounce compared with Bouncer
Bouncer is the European answer to the same brief: SOC 2 Type II, ISO 27001, GDPR with EU data residency, plus a public accuracy guarantee and pricing roughly a sixth of ZeroBounce at 100,000 addresses ($400 against $649, and far wider at lower volumes). ZeroBounce wins on suite breadth, HIPAA, and owned infrastructure. If your buyers are European and your need is verification with credible compliance, Bouncer is the better value; if you need HIPAA, warmup, and DMARC in the same account, ZeroBounce.
Choose Bouncer if
European small and mid-sized businesses, agencies, and SaaS companies that want a verifier with EU-only hosting, a published DPA, hashed storage, and a written accuracy guarantee, at mid-market pricing rather than either budget or enterprise rates.
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 | Bouncer | ZeroBounce |
|---|---|---|
| Category | Verification | Verification |
| Starting price | $8 for 1,000 credits, with 100 free credits on signup (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 verification credits on a fully published volume ladder with no expiry, plus two separately priced subscriptions: Bouncer Shield for real-time checks and the Deliverability Kit for placement and monitoring. | 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 signup, plus a free single-address checker and a free list sampling tool that need no account. | 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 with no credit card required | No separate trial; the free tier is permanent and refreshes monthly |
| Best for | European small and mid-sized businesses, agencies, and SaaS companies that want a verifier with EU-only hosting, a published DPA, hashed storage, and a written accuracy guarantee, at mid-market pricing rather than either budget or enterprise rates. | 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 | Under fifteen minutes. Sign up, take the 100 free credits, upload a list or copy an API key. Bouncer Shield needs a snippet on the form and AutoClean needs a CRM connection, each an hour at most. | 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 | Low. Three verdicts instead of a status taxonomy makes the output immediately usable, and the unknown bucket is explained rather than treated as an embarrassment. Toxicity scores take a little longer to internalise because the one-to-five scale is a risk gradient rather than a pass or fail. | 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, Bouncer Shield form widget, AutoClean CRM connector, Native integrations | Web application, REST APIs, iOS app, 200-plus native integrations, Zapier |
| Compliance | GDPR by design with a published data processing agreement, EU-only data storage | 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 | 2017 | 2015 |
| Headquarters | Wroclaw, Poland | Boca Raton, Florida, United States |
| Ownership | Privately held, seed-stage venture backing reported | Bootstrapped and founder-led; no outside investment |
Strengths and limitations
Bouncer
Strengths
- The most specific accuracy guarantee in the category: over 99 percent accuracy, 98 percent coverage, 100 percent accuracy on undeliverables, and a credit refund for deliverables that bounce within 72 hours.
- An explicit philosophical position, biased against false negatives, that is stated by the CEO on a public page and reflected in how the unknown verdict is used.
- EU-only hosting in EU AWS data centres, addresses hashed everywhere except the download layer, automatic 60-day deletion, on-demand permanent deletion, and a published DPA.
- The complete price ladder is published rather than hidden behind a calculator, and credits never expire.
Limitations
- Mid-market pricing: $400 per 100,000 is two and a half to three times what MillionVerifier, DeBounce, or Reoon charge for the same core job.
- The deliberate 2 percent unknown bucket means catch-all-heavy B2B lists will leave more addresses unresolved here than at vendors that guess aggressively.
- Bouncer Shield and the Deliverability Kit are separate subscriptions, so the advertised credit price is not the full cost of a complete deployment.
- No HIPAA programme and no US data residency option, which closes the door on some American regulated buyers by design.
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
Bouncer
Prepaid verification credits on a fully published volume ladder with no expiry, plus two separately priced subscriptions: Bouncer Shield for real-time checks and the Deliverability Kit for placement and monitoring.
- Small volumes$8 to $60
- Mid volumes$250 to $750
- Large volumes$1,250 to $2,000
Bouncer sits deliberately in the middle and mostly earns it. At $400 per 100,000 addresses it costs about a third of ZeroBounce and roughly two and a half times MillionVerifier, and what it buys with that premium over the budget tier is a published guarantee with a specific remedy, EU-only hashed storage with 60-day deletion, and a $1,000-per-million rate at scale that stays competitive. The entry point matters too: a 1,000-credit minimum at $8 is the cheapest way in the category to genuinely test a vendor on real data. Where the value slips is the unbundling. Shield and the Deliverability Kit are separate subscriptions, so the fully-equipped version of Bouncer is not the mid-market bargain the credit table suggests.
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
Bouncer
Bouncer is the most thoughtfully positioned verifier in this set. Its stated bias against false negatives, its 100 percent undeliverable accuracy claim, and its 72-hour bounce refund make a promise that can actually be tested, which is more than most accuracy percentages in this category amount to. The European data posture, hashed storage, EU-only AWS hosting, 60-day deletion, and a published DPA, is concrete rather than performative, and the fully published price ladder with non-expiring credits and no billing for duplicates or unknowns is exactly the transparency the category usually avoids. The costs are real too: $400 per 100,000 is well above the budget tier, the deliberate unknown bucket leaves catch-all-heavy lists partly unresolved, and Shield and the Deliverability Kit are separate subscriptions that quietly undo the mid-market pricing. For a European small business that wants to buy verification once, understand the bill, and never lose a live contact to a wrong verdict, this is the right default.
Read the full Bouncer profileZeroBounce
Category LeaderZeroBounce 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 profileBouncer 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.