Choosing Your AI Sales Development Champion: ROX vs Warmly
It was the end of Q4. Michelle, the Head of Revenue at a fast-scaling B2B SaaS company, was facing a familiar bottleneck: her SDRs were overwhelmed, the lead-to-opportunity rate was stalling, and her team couldn’t scale outreach fast enough without burning out. She needed a smarter way to scale sales development—one that didn’t involve doubling headcount.
Enter AI SDR tools. After weeks of demos and internal debates, the finalists came down to ROX and Warmly.
This article is for RevOps leaders, SDR managers, and founders in that same spot—comparing top AI sales tools to supercharge outbound.
What Do ROX and Warmly Actually Do?
Both tools automate parts of the SDR workflow using AI. But their philosophies and features differ.
ROX.ai
- Founded: 2021
- Core Strength: Custom AI workflows built for enterprise complexity
- Target user: Larger GTM teams with deep tech stacks
- Funding: $12M Series A (TechCrunch, 2023)
ROX focuses on multi-touch, multi-channel outreach using enriched data, internal signals, and intelligent sequencing. It offers:
- AI-powered workflows
- Deep integrations with Salesforce, HubSpot, and LinkedIn
- Contact enrichment and prioritization
- Internal signal routing (from Slack, product usage data, etc.)
Stat: ROX claims a 33% increase in pipeline efficiency for mid-market and enterprise teams (ROX Case Studies, 2024).
Warmly
- Founded: 2020
- Core Strength: Simplicity and speed of setup
- Target user: Small to mid-sized sales teams
- Funding: $7M Seed Round (Crunchbase, 2023)
Warmly offers:
- LinkedIn profile enrichment
- Website visitor identification
- Personalization suggestions based on job changes
- Email + LinkedIn integration
Stat: Teams using Warmly saw a 15-20% lift in reply rates within 30 days of implementation (G2 Reviews, 2024).
ROX vs Warmly: Feature Comparison
| Feature | ROX.ai | Warmly |
|---|---|---|
| Ideal Team Size | Mid-to-large | Small to mid-size |
| AI Workflows | Highly customizable | Pre-built automations |
| LinkedIn Outreach | Yes, with deep enrichment | Yes, native |
| CRM Integration | Salesforce, HubSpot (deep integration) | HubSpot, basic Salesforce |
| Website Visitor Tracking | Advanced (via Clearbit & 6sense) | Native IP tracking |
| Pricing | Starts at $2,000/month | Freemium + Pro Plans ($400+/month) |
Real Use Cases
ROX: Complex Sales Development
- Large B2B SaaS team integrated ROX with product usage alerts
- Routed hot leads to the right rep using internal Slack signals
- 48% faster response time from demo request to first outreach
Warmly: Fast GTM for Startups
- Series A cybersecurity startup needed fast outbound
- Warmly provided job change alerts and website visitor notifications
- 3x increase in meetings booked in the first 6 weeks
Which Should You Choose?
Choose ROX if:
- You have a multi-person SDR team
- You’re already using Salesforce/HubSpot
- You want signal-based routing + heavy automation
Choose Warmly if:
- You’re a lean GTM team
- You want plug-and-play AI
- You rely on LinkedIn and email as primary channels
FAQ: ROX vs Warmly
Q: Does ROX offer real-time lead routing? Yes, ROX can use product usage or CRM triggers to route leads to SDRs via Slack.
Q: Can Warmly help with job change alerts? Absolutely. Warmly notifies SDRs when key prospects switch roles or companies.
Q: Which is more budget-friendly? Warmly is better for teams on a tight budget; ROX is an enterprise-grade tool.
Final Verdict
Both ROX and Warmly are strong players in the AI SDR space. Your choice depends on your team size, budget, and complexity.
If you’re scaling fast and need smart routing, go with ROX. If you want a fast, easy outbound boost—Warmly will warm up your pipeline fast.
Pro Tip: Use both tools together in a layered AI sales stack. Let Warmly warm up the top of funnel and ROX route high-intent leads.
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