Alternatives · Deliverability
MailGenius alternatives
As of Nov 13, 2026, the best MailGenius alternative for most people is GlockApps (2.2 GPA), third in our ranking of email verification and deliverability tools. The best free one is Mail-Tester (2.8 GPA). The catch, in its listing's words: "Free web interface: 3 tests per 24 hours, results kept for 7 days."
MailGenius compared with 6 alternatives: Mail-Tester, GlockApps, MailReach, MxToolbox, InboxAlly and 1 more.
MailGenius has a free plan. Paid plans start at $23 per month for 60 email tests, billed yearly ($29 billed monthly). 3 of the 6 alternatives are free or have a free plan. 2 more offer a free trial.
Listings checked up to Nov 13, 2026 · Where the facts come from
Black Friday: is there a MailGenius sale?
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| MailGeniusThis tool | Free plan · from $23/mo | Yes | Web |
| Mail-Tester | Free plan · from $10/mo | Yes | Web |
| GlockApps | Free plan · from $59/mo | Yes | Web |
| MailReach | From $20/mo | No | Web |
| MxToolbox | Free plan · from $129/mo | Yes | Web |
| InboxAlly | Free trial · from $149/mo | Trial only | Web |
| Email on Acid | Free trial · from $99/mo | Trial only | Web |
Price against what you get
MailGenius starts at $23 a month and scores 2.0 out of 4 on features, ease of use and platforms. 2 of the 6 alternatives on this chart score higher and start lower: Mail-Tester and MailReach.
MxToolbox, InboxAlly and Email on Acid score higher without starting lower.
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 MailGenius
Mail-Tester
Send an email to a test address and get a spam score out of 10
- Mail-Tester starts at $10 per month for 50 tests; or $5 once for 10 tests.
- Mail-Tester also covers reports.
- Mail-Tester does not cover dMARC, which MailGenius does.
Suits: Checking one newsletter or sending setup before a send
GlockApps
Inbox placement testing with DMARC analytics and uptime monitoring
- GlockApps starts at $59 per month, billed annually ($85 monthly).
Suits: Senders who want to see where a campaign lands before it goes out
MailReach
Email warm-up and inbox placement tests, priced per mailbox
- MailReach starts at $20 per mailbox / month, billed annually ($25 monthly).
- MailReach has no free plan, unlike MailGenius.
- MailReach also covers inbox warm-up.
- MailReach does not cover dMARC, which MailGenius does.
Suits: Cold emailers warming new mailboxes before a campaign
MxToolbox
Email and DNS lookups plus blacklist and DMARC monitoring
- MxToolbox starts at $129 per month.
- MxToolbox also covers reports.
Suits: Admins who want free lookups and one monitored domain at no cost
InboxAlly
Email warm-up and reputation repair through a network of seed inboxes
- InboxAlly starts at $149 per month for 100 seed emails a day, billed monthly.
- InboxAlly has no free plan, only a free trial, unlike MailGenius.
- InboxAlly also covers inbox warm-up.
- InboxAlly does not cover dMARC, which MailGenius does.
Suits: Senders whose domain already lands in spam and needs repair
Email on Acid
Email previews and pre-send QA, now moving to Mailgun Inspect
- Email on Acid starts at $99 per month.
- Email on Acid has no free plan, only a free trial, unlike MailGenius.
- Email on Acid also covers reports and email campaigns.
- Email on Acid does not cover dMARC, which MailGenius does.
Suits: Email developers testing HTML across many clients
Limits worth knowing in MailGenius
- Test results are hosted on public links, according to the notice under the free test.
- The competitor and prospect email testing is limited to the Genius plan and above.
- The pricing page shows the prices for yearly billing by default; monthly billing costs about 25% more.
- The Beginner plan caps tests at 60 a month.
Common questions
What are the alternatives to MailGenius?
The alternatives to MailGenius in this directory are Mail-Tester, GlockApps, MailReach, MxToolbox, InboxAlly and Email on Acid. Each one has a side-by-side comparison with MailGenius.
Is there a free alternative to MailGenius?
Yes. Mail-Tester, GlockApps and MxToolbox have 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.