# Warmbox pricing (2026): plans, cost, and compliance

**Entry price:** $19/mo (Solo). Among the 8 email deliverability we track it is #4 cheapest of 8; median entry $22/mo.
**Domain:** warmbox.ai
**Free tier:** No
**Compliance:** HIPAA Not published · SOC 2 Not published · GDPR Not published
**Integrations:** Gmail, Google Workspace, Outlook, Microsoft 365, SendGrid, Amazon SES, Mailgun, SMTP
**Best for:** solo senders; small teams; inbox warming
**Price tracked since:** June 2026

## Plans

| Plan | Monthly | Annual | Billing | Notes | Source |
| --- | --- | --- | --- | --- | --- |
| Solo | $19 | −21% | flat | 1 inbox warm-up, 50 warm-up emails/day, 1 team member, premium support. Annual billing price: $15/month. | warmbox.ai |
| Start-up | $79 | −13% | flat | 3 inbox warm-ups, 250 warm-up emails/day, 3 team members, premium support. Annual billing price: $69/month. | warmbox.ai |
| Growth | $159 | −13% | flat | 6 inbox warm-ups, 500 warm-up emails/day, 6 team members, enterprise support. Annual billing price: $139/month. | warmbox.ai |
| Team / Enterprise | Quote-only | — | custom | Custom pricing for larger organizations and higher sending volumes. Contact sales; no published price. | warmbox.ai |

**Key features:** Automated inbox warm-up with realistic interaction patterns; Spam folder removal and auto-replies; Live email validation; Custom warm-up scheduling.

**Plan limits:** Solo: 1 inbox, 50 warm-up emails/day; Start-up: 3 inboxes, 250 emails/day; Growth: 6 inboxes, 500 emails/day.

## Cheaper email deliverability alternatives

- [Folderly](https://frontdeskreview.com/software/email-deliverability/folderly/) — from $0/mo
- [GlockApps](https://frontdeskreview.com/software/email-deliverability/glockapps/) — from $0/mo
- [Mailtrap](https://frontdeskreview.com/software/email-deliverability/mailtrap/) — from $0/mo

Sources: 1 · Last verified 2026-06-18
Provenance: Pricing re-fetched from warmbox.ai/pricing on 2026-06-18; monthly ($19/$79/$159) and annual ($15/$69/$139) prices confirmed on the live page. No free tier or stated trial. No security/compliance page accessible; GDPR/SOC2 status could not be confirmed from official sources.
Canonical: https://frontdeskreview.com/software/email-deliverability/warmbox/
Cite: Per The Front Desk Review, Warmbox's entry plan was $19/mo as of 2026-06-18 — https://frontdeskreview.com/software/email-deliverability/warmbox/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl