MillionVerifier Review: Cost per Check Against Accuracy
MillionVerifier suits senders who clean lists in bulk and buy credits onceIn this MillionVerifier review, credits and quotas draw 3 negative mentions and price level 3, against 13 favourable mentions of ease of use.
Every score on this page validated by the site owner · latest validation Oct 16, 2026 · How we score
MillionVerifier in three sentences
MillionVerifier checks email addresses one at a time, in bulk lists and through a real-time API, per the vendor's pages read on Sep 27, 2026. Scores rest on 32 tagged reviews up to September 2026, and ease of use has 13 favourable mentions. Credits and quotas draw 3 negative mentions and price level 3, and the 10,000-credit package is $39 pay as you go, read on Oct 4, 2026.
See it before you read on
Nothing loads from the video host until you press play; the player then opens in privacy-enhanced mode.
What it costs
Three plans. Every figure read on the vendor's pricing page on Oct 4, 2026.
Spotted a change? Tell us
Prices read on the vendor's page: 10,000 credits $39, 25,000 credits $59 and 50,000 credits $89, pay as you go.
Scores calculated on 32 tagged reviews; global score 7.9.
What you get, what you don't
Six things MillionVerifier does. None of the six is missing on the vendor's pages; the weak spots are in what reviewers say, below.
- MailchimpNative
- HubSpotNative
- ActiveCampaignNative
- MailgunNative
- MailjetNative
- Data hostedNot published
- GDPR data processing agreementEvery plan, including free
- SOC 2 reportNot published
- Single sign-onNot published
- ChannelsChat (24/7)
- Hours24/7 chat, biz hours
- PhoneNot published
- Read as negative4 of 5 tagged reviews
The data behind the score
Our five scores against the average of the tools we score.
Should you buy it?
Name your dealbreaker. No profile is scored on its own yet: too few tagged reviews per profile, so the page shows the overall score.
Buy it if You clean email lists in bulk or through an API and want credits that the vendor says never expire. Skip it if Support quality is your deciding factor, or you want a larger free allowance than 100 credits.
Credits and quotas draw 3 negative mentions Credits and quotas have 4 mentions, 3 of them negative, as of Sep 2026; the vendor says credits never expire, read on Sep 27, 2026. ZeroBounce covers it
Price level draws 3 negative mentions Price level has 9 mentions, 3 of them negative, and value for money scores 8.4 on 18 tagged reviews, as of Sep 2026. Debounce covers it
Both support mentions are negative Customer support has 2 mentions and both are negative, and support quality scores 5.8 on 5 tagged reviews, as of Sep 2026. GlockApps covers it
Questions to ask the vendor
- Can I buy a package smaller than 10,000 credits?The pricing page shows packages of 10,000, 25,000 and 50,000 credits, read on Oct 4, 2026.
- How do I reach a person when a verification run looks wrong?Customer support has 2 mentions, both negative.
- How do I claim the refund when OK addresses hard bounce?The terms tie the refund to hard bounces within 7 days of verification, read on Oct 4, 2026.
- How are catch-all addresses counted and reported in a run?The vendor says its engine resolves 30 to 40 percent of catch-all addresses, read on Oct 4, 2026.
If MillionVerifier isn't it
Three tools we score in this category, one per dealbreaker, the highest-scored of those that cover it. Click a card, or a name below, to put it next to MillionVerifier.

- 50,000 credits for $75 pay as you go; MillionVerifier's 50,000 is $89
- Reporting draws 4 negative mentions in its reviews

- Support by chat, email and phone, read on Oct 4, 2026; MillionVerifier lists chat
- Billing and renewals draw 2 negative mentions in its reviews

- Freemium lists 100 validation credits per month; MillionVerifier lists 100 at signup
- Price level draws 170 negative mentions in its reviews
MillionVerifier vs Debouncethe three alternatives
MillionVerifier |
Debounce |
GlockApps |
ZeroBounce |
|
|---|---|---|---|---|
| Our score | 7.9 | 8.7 | 8.7 | 8.7 |
| Price and plan | ||||
| Entry price | $39 Pay as you go | $15 Pay-As-You-Go | $85 /mo | $99 /mo |
| Free plan | No free plan stated | No free plan stated | Free plan | Free plan |
| Free trial | Free trial (length not stated) | No free trial stated | No free trial stated | No free trial stated |
| Four dimensions, same grid | ||||
| Ease of setup | 8.8 | 9.0 | 8.1 | 8.5 |
| Feature depth | 7.4 | 8.4 | 8.7 | 7.4 |
| Value for money | 8.4 | 8.7 | 9.2 | 7.9 |
| Support quality | 5.8 | 7.6 | 7.1 | 9.2 |
| Fit | ||||
| Native integrations | Mailchimp, HubSpot | HubSpot, Google Sheets | Mailchimp | HubSpot, Salesforce |
| Support channels | Chat (24/7) | Support ticket | Chat, email, phone | Chat, email and phone |
| Main strength | Bulk and API email verification | Email list cleaning and validation | Spam placement testing across providers | Bulk and real-time email validation |
Debounce scores 8.7 on 69 tagged reviews. It lists a real-time widget that validates form emails, read on Oct 4, 2026.
GlockApps scores 8.7 on 22 tagged reviews. It lists spam placement tests across Gmail, Outlook, Yahoo and AOL, read on Oct 4, 2026.
ZeroBounce scores 8.7 on 105 tagged reviews. It lists AI scoring of catch-all addresses on a 1-10 scale, read on Oct 4, 2026.
Oct 4, 2026: MillionVerifier 50,000 credits $89 and Debounce 50,000 credits $75, each pay as you go; ZeroBounce ONE $99 a month or $79 billed annually; GlockApps Essential $85 a month or $59 billed annually
Same five-dimension grid for every tool; the fifth dimension changes with the category and stays out of this table. Prices and integrations read on each vendor's public pages between Sep 26 and Oct 4, 2026. Some of these prices have not been read again for 6 months. Check the vendors' pages before you buy.
What the reviews say, in depth
Ease of use draws 13 favourable mentions and none negative
Ease of use has 13 favourable mentions and no negative one. Ease of setup scores 8.8, and 6 of the 7 tagged reviews that discuss setup read as favourable.
The interface has 6 favourable mentions, and setup has 1 mention, a negative one. The vendor lists native Mailchimp, HubSpot and ActiveCampaign integrations, read on Sep 27, 2026, and a one-click import of email lists, read on Oct 4, 2026.
Email accuracy draws 14 favourable mentions out of 16
Email accuracy has 16 mentions: 14 favourable and 1 negative. Deliverability impact scores 8.8, and 11 of the 16 tagged reviews that discuss it read as favourable.
The vendor says its verification accuracy is higher than 99 percent, a figure this site does not measure, read on Oct 4, 2026. It also says its engine turns 30 to 40 percent of catch-all addresses into definitive Valid or Invalid statuses, read on Oct 4, 2026.
Feature range draws 2 negative mentions among 3
Feature range has 3 mentions, 2 of them negative. Feature depth scores 7.4, and 8 of the 12 tagged reviews that discuss features read as favourable.
Speed and performance has 7 mentions, 1 of them negative, and stability has 4 mentions, 2 of them negative. The vendor says it typically verifies 2,700 emails per minute per account, read on Sep 27, 2026.
Support quality scores 5.8 on 5 tagged reviews
Support quality scores 5.8, and 1 of the 5 tagged reviews that discuss support reads as favourable. Customer support has 2 mentions, both negative.
The vendor lists 24/7 chat assistance and live human support during working hours, read on Sep 27, 2026.
Price level draws 3 negative mentions among 9
Price level has 9 mentions: 3 negative and 5 favourable. Value for money scores 8.4, and 13 of the 18 tagged reviews that discuss value read as favourable. Credits and quotas draw 3 negative mentions among 4.
The pay-as-you-go packages are 10,000 credits for $39, 25,000 for $59 and 50,000 for $89, read on Oct 4, 2026, and the vendor says credits never expire, read on Sep 27, 2026. Its terms list a refund of the latest paid-credits payment if more than 4 percent of OK addresses hard bounce, read on Oct 4, 2026.
Before you commit
The vendor says its verification accuracy is higher than 99 percent, read on Oct 4, 2026, and this site does not measure it. Email accuracy has 16 mentions, 14 favourable and 1 negative, and Deliverability impact scores 8.8 on 16 tagged reviews.
The 50,000-credit package is $89 pay as you go, read on Oct 4, 2026. This page works out no price per million; the vendor adds 1 million bonus credits for every 5 million credits purchased, read on Sep 27, 2026.
The vendor says credits never expire, and sells them once with no subscription cycle, read on Oct 4, 2026. Credits and quotas still draw 3 negative mentions among 4.
The vendor says its built-in engine turns 30 to 40 percent of catch-all addresses into definitive Valid or Invalid statuses, read on Oct 4, 2026. No tagged review count covers catch-all addresses, so this page does not rate it.
This page holds no fact on how MillionVerifier treats Yahoo addresses, and no tagged review count covers them. Email accuracy as a whole has 14 favourable mentions among 16, and the vendor lists 100 free credits at signup, read on Sep 27, 2026, enough to test a small list.
The terms list a refund of the latest paid-credits payment when more than 4 percent of the OK addresses hard bounce, emailed within 7 days of verification, read on Oct 4, 2026. This page does not test the guarantee.
Affiliate linksThis page contains affiliate links: some vendors pay us a commission when you subscribe through their Try button. Scores come from public user reviews, on the same grid for every scored tool. Affiliate disclosure