Head-to-Head Comparison
| Feature | TrulyInboxRecommended | Warmbox |
|---|---|---|
| Starting Price | $22/month | $15/month |
| Per Inbox Cost | Unlimited* | $15+ per inbox |
| Pricing Model | Flat rate, unlimited inboxes | Per inbox |
| Free Plan | ||
| Unlimited Email Accounts | ||
| Deliverability Rate | 95%+ | ~90% |
| Advanced Analytics | ||
| Customer Support | Priority | Basic |
| AI-Generated Warmup Content | 50+ industries, 12 languages | GPT-4 powered |
| Multiple Warmup Strategies | AI Adaptive, Progressive, Random, Flat | |
| ESP-Level Analytics | Google, Microsoft, Others | Basic |
| Deliverability Score (0-100) | 0-100 + Outreach Readiness | |
| Multi-Language Support | 12 languages |
*Unlimited accounts with Starter plan and above
Our Verdict
TrulyInbox offers better reliability, support, and value for teams with multiple accounts. Warmbox may work for single-inbox users on a tight budget.
How much would you save?
Drag the slider. See the gap.
Warmbox
$150/mo
TrulyInbox (Growth)
$84/mo
44% lessThat's $792 saved per year with 10 inboxes on annual billing.
Which Tool Should You Choose?
Choose TrulyInbox if…
- You manage 5+ email accounts and want a flat price
- You need proven 95%+ inbox placement rates
- You want priority customer support
- You need advanced analytics and reporting
Choose Warmboxif…
- You only warm up 1-2 inboxes and want the lowest entry price
- You prefer GPT-4 generated warmup email content
Frequently Asked Questions
Warmbox starts at $15/month for a single inbox, which is cheaper for 1 account. But since it charges per inbox, costs add up fast. At 5 accounts, Warmbox costs $75/mo vs TrulyInbox's flat $22/mo.
No, Warmbox does not offer a free plan. TrulyInbox offers a forever-free plan with 1 account and 10 warmup emails/day.
Warmbox uses GPT-4 to generate warmup emails that sound human-like. TrulyInbox also uses AI-driven human-like interactions including opens, replies, and authentic timing patterns.
Yes. Simply connect your email accounts to TrulyInbox via OAuth in under 2 minutes. No migration needed - just connect and start warming up.