Alternatives · Deliverability
MailMonitor alternatives
As of Nov 13, 2026, the best MailMonitor alternative for most people is GlockApps (2.2 GPA), third in our ranking of email verification and deliverability tools. It's also the best free one.
MailMonitor compared with 5 alternatives: GlockApps, Inbox Monster, Validity Engage, MailReach and EasyDMARC.
MailMonitor is a paid product, starting at $1,000 per month and up, billed annually. 1 of the 5 alternatives is free or has a free plan. One more offers a free trial.
Listings checked up to Nov 13, 2026 · Where the facts come from
Black Friday: is there a MailMonitor sale?
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| MailMonitorThis tool | From $1,000/mo | No | Web |
| GlockApps | Free plan · from $59/mo | Yes | Web |
| Inbox Monster | From $3,750/yr | No | Web |
| Validity Engage | Paid | No | Web |
| MailReach | From $20/mo | No | Web |
| EasyDMARC | Free trial · from $35.99/mo | Trial only | Web |
Price against what you get
MailMonitor starts at $1,000 a month and scores 2.0 out of 4 on features, ease of use and platforms. 1 of the 4 alternatives on this chart scores higher and starts lower: MailReach.
GlockApps, Inbox Monster and EasyDMARC start lower without scoring higher.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
How each one differs from MailMonitor
GlockApps
Inbox placement testing with DMARC analytics and uptime monitoring
- GlockApps starts at $59 per month, billed annually ($85 monthly).
- GlockApps has a free plan, which MailMonitor lacks.
- GlockApps does not cover reports, which MailMonitor does.
Suits: Senders who want to see where a campaign lands before it goes out
Inbox Monster
Email rendering previews and inbox placement testing
- Inbox Monster starts at $3,750 per year and up (creative suite).
- Inbox Monster also covers email campaigns.
Suits: Enterprise email teams that need rendering and placement in one place
Validity Engage
Inbox placement and sender reputation monitoring for brands
- Validity Engage also covers email campaigns.
- Validity Engage does not cover reports, which MailMonitor does.
Suits: Large senders that need inbox placement data by mailbox provider
MailReach
Email warm-up and inbox placement tests, priced per mailbox
- MailReach starts at $20 per mailbox / month, billed annually ($25 monthly).
- MailReach also covers inbox warm-up.
- MailReach does not cover reports and dMARC, which MailMonitor does.
Suits: Cold emailers warming new mailboxes before a campaign
EasyDMARC
DMARC setup, reporting and managed SPF, DKIM and BIMI records
- EasyDMARC starts at $35.99 per month for 100,000 emails, billed annually ($44.99 monthly).
- EasyDMARC does not cover reports, which MailMonitor does.
Suits: Companies moving a domain to an enforced DMARC policy
Limits worth knowing in MailMonitor
- Plans start at $1,000 a month, billed annually, and the page says to check eligibility first.
- The vendor says it is not a fit for senders relying only on cold outbound without a warm-up or opt-in plan.
- It says a fit means sending over 10,000 emails a year, so small senders are not the target.
- The Foundation plan covers B2C seed inboxes only; B2B placement tests need Strategic Partnership.
Common questions
What are the alternatives to MailMonitor?
The alternatives to MailMonitor in this directory are GlockApps, Inbox Monster, Validity Engage, MailReach and EasyDMARC. Each one has a side-by-side comparison with MailMonitor.
Is there a free alternative to MailMonitor?
Yes. GlockApps has a free plan alongside paid ones.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 18, 2026 to Nov 13, 2026. Vendors change prices without notice, so confirm on their site before you buy.