Alternatives guide
Mail-Tester alternatives
1 deliverability tools we’d consider when Mail-Tester doesn’t fit — ranked by editorial score and structured data, not by who pays us the most.
Editorial updated Jun 4, 2026·by Jordan Sauchuk
Why people leave
Common reasons we’ve heard for switching off Mail-Tester.
- →Single-test design — doesn't give you the per-provider placement detail GlockApps does. Free tier is 3 tests/day; paid tier is $12/mo for 50/day, but at that volume you need GlockApps anyway.
If you’re leaving Mail-Tester, consider
- 018.0 / 10from $59/mo
Try if: Cold-email agencies and high-volume senders who need granular inbox-placement testing across providers (Gmail, Outlook, Yahoo, Apple) before campaign launch. The seed-list test methodology is the gold standard.
Side-by-side data
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