Spear vs Warmbly
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Spear compared with Warmbly
| Detail | 
Spear | 
Warmbly |
|---|
| What it does | Trigger-based, human-led outbound designed to create real pipeline.
| Open-source cold email and warmup platform
|
|---|
| Stage | Not given
| Startup
|
|---|
| Founded | Not given
| 2024
|
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| Based in | IL
| GB
|
|---|
| Pricing model | Freemium
| Freemium
|
|---|
| Pricing | Not given
| Not given
|
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| Key features | - Monitors 50+ buying signals across LinkedIn, X, Reddit, GitHub, podcasts, news, funding rounds, job postings, and website visits
- Messages sent directly from executives' profiles for credibility
- Multichannel sequences across LinkedIn, email, X, and Reddit
- Profile actions including connects, views, likes, and follows
- Website visitor de-anonymization
- Integration with CRM, Claude, and MCP
- Event support for conferences, webinars, and dinners
| - Mailbox warmup with automatic reputation building
- Campaign sequences with A/B testing
- Unified inbox with reply classification
- Deliverability tracking and inbox placement tests
- Automation workflows with conditional logic
- Per-mailbox safety caps and throttling
|
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| What makes it different | - Messages come from executives' profiles instead of SDRs or bots
- 12x higher reply rates from trigger-based outreach vs traditional volume outreach
- 20x pipeline return on every dollar spent
- Reaches buyers where they already engage across multiple channels
| - Fully open-source codebase under Apache 2.0, readable on GitHub
- Self-hostable with one command or cloud-hosted options
- Unlimited mailboxes on paid plans, no per-mailbox fees
- Transparent health rules with full explanations for throttling
- Built in public with public changelog and no inflated metrics
|
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 42 ● no change since last check | 26 ● no change since last check |
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| Trust Flow (Majestic) | 4 | 0 |
|---|
| Citation Flow (Majestic) | 39 | 28 |
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| Referring domains (Majestic) | 123 | 44 |
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5 details filled in for both companies.
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