Warmbox starts at $19/month for one inbox and delivers solid warmup. But it stops there. E‑Warmup matches that entry price and adds AI blacklist removal, inbox placement tests, sender reputation monitoring, and bounce protection — features Warmbox does not offer at any plan
E‑Warmup lets you prove placement and reputation gains before you pay — no credit card required
Lite plan includes
Adapts to your domain health in real time
Real-time checker on every plan
Auto weekly + manual on-demand
Detects and removes automatically
DNS health on every plan
Real-time tracking included
Get the core warmup outcomes without paying for locked features.
Warmbox warms up your inbox well. The gap shows up the moment you need to diagnose a deliverability problem — or fix one.
Warmbox uses customizable warmup recipes — solid, but static. E‑Warmup's AI engine reads your domain health in real time and adapts sending behavior accordingly. It does not just warm up. It monitors, detects problems, and initiates automatic repairs.
Warmbox includes a free DNS and blacklist checker, which is useful. But it stops at detection. E‑Warmup detects blacklisting and uses AI-powered removal to get you off the list automatically. There is a significant difference between knowing you are blacklisted and being able to fix it.
Warmbox has no inbox placement testing at any tier. E‑Warmup runs automated weekly placement tests plus on-demand manual tests across Gmail, Outlook, Yahoo, and Microsoft 365. You can verify where your emails actually land, not just assume they are reaching the inbox.
Warmbox provides reporting and a spam score dashboard but has no dedicated sender reputation score tracker. E‑Warmup continuously monitors your sender reputation so you always know where your domain stands before you launch a campaign. No surprises on send day.
Warmup emails that bounce can damage the very reputation you are trying to build. E‑Warmup includes bounce protection built specifically into the warmup process. Warmbox has no equivalent. Your warmup network should be protecting your domain, not risking it.
Warmbox has no free trial. You pay before you can evaluate whether it actually improves your deliverability. E‑Warmup gives you a full trial with no credit card required so you can verify inbox placement results and sender reputation improvements before spending anything.
Both start at $19/month for one inbox — E‑Warmup layers in diagnostics, tests, and automated repair Warmbox does not ship.
the same warmup results. Less than half the price — with more features included at the entry level.
17/37rows favor E-Warmup Lite on capabilities
Warmbox Solo $19/mo | ||
|---|---|---|
| Pricing | ||
| Monthly price | $19 / month | $19 / month |
| Annual price | $190 / year | $180 / year ($15/mo) |
| Inboxes included | 1 | 1 |
| Warmups per day | 50 | 50 |
| Free trial | Full access | None |
| Warmup Engine | ||
| AI-powered warmup engine | Recipe-based only | |
| Customizable warmup recipes | ||
| Auto fix domain and IP reputation | Not available | |
| Warmup bounce protection | Not available | |
| AI read emulation | GPT-4 human-like replies | |
| Select warmup topic | ||
| Select warmup language | Not available | |
| Warmup schedule control | ||
| ESP distribution targeting | Not available | |
| Mailbox bulk connection | Not available | |
| Seedlist warmup | Not available | |
| Deliverability Monitoring | ||
| Spam score monitoring | ||
| Reporting and analytics dashboard | ||
| DNS health check (SPF / DKIM / DMARC) | (free tool) | |
| Blacklist monitoring | (free tool) | |
| Auto blacklist removal (AI-powered) | Not available | |
| Inbox placement tests | 5 / month + on-demand | Not available |
| Sender reputation monitoring | Not available | |
| Email bounce rate monitoring | Not available | |
| Deliverability intelligence | Not available | |
| Integrations | ||
| Gmail and Google Workspace | ||
| Outlook and Microsoft 365 | ||
| Yahoo Mail | ||
| Amazon SES | ||
| SendGrid | ||
| Custom SMTP | ||
| API access | Not available | |
| Support and Community | ||
| Premium support | ||
| Deliverability school | Not available | |
| Free deliverability consultation | Not available | |
| Dedicated customer success manager | Sales plan only | |
| Affiliate program | ||
Monthly prices are similar. E-Warmup adds more features; Warmbox may be cheaper annually — verify current pricing. * Competitor pricing and features sourced from warmbox.ai/pricing and warmbox.ai. Subject to change. | ||
Get Started
Warmbox warms up your inbox. E‑Warmup warms it up, monitors your sender reputation, detects blacklisting, removes you automatically, and tests inbox placement — all at the same $19 starting price.
Start Your Free Trial
