Best Email Deliverability · alternatives
Best GlockApps alternatives (2026)
7 alternatives to GlockApps in email deliverability, ranked by entry price. GlockApps starts at $0/mo. Every figure links to the public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it.
Key takeaways
- Free alternatives: Folderly, Mailtrap.
- Closest by price: Folderly ($0/mo), Mailtrap ($0/mo), Warmbox ($19/mo).
GlockApps alternatives compared
| # | Alternative | Entry price | Free | HIPAA | Best for | Source |
|---|---|---|---|---|---|---|
| 1 | Folderly | $0/mo | Yes | — | B2B senders needing reputation building | folderly.com |
| 2 | Mailtrap | $0/mo | Yes | — | developers | mailtrap.io |
| 3 | Warmbox | $19/mo | No | — | solo senders | warmbox.ai |
| 4 | MailReach STALE · 2026-06-18 | $25/mo | No | — | agencies managing multiple client inboxes | mailreach.co |
| 5 | Warmy | $49/mo | No | — | cold email senders | capterra.com |
| 6 | Allegrow | $99/mo | No | — | GTM teams | allegrow.co |
| 7 | MailMonitor | $1000/mo | No | — | enterprise senders | mailmonitor.com |
Data current through 2026-09-02. STALE marks a row with at least one plan we have not re-checked at its source in over 30 days. 1 of 7 rows above is marked. Compare any two directly on the Email Deliverability index.