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Cold Email vs. Cold Calling: Choosing the Right Channel for Your Outreach
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Cold Email vs. Cold Calling: Choosing the Right Channel for Your Outreach

An honest comparison of cold email and cold calling, with frameworks for deciding when to use each approach.

Scrappy Team
January 8, 2025
6 min read

The cold email vs. cold calling debate misses the point. It's not about which is "better"—it's about which is better for your specific situation.

The Real Comparison

Let's break down what each channel actually offers:

Cold Email Strengths

  • Scale — Send hundreds of personalized emails daily
  • Asynchronous — Prospects respond on their schedule
  • Measurable — Track opens, clicks, and replies precisely
  • Low friction — Easy for prospects to engage
  • Documentation — Full conversation history preserved

Cold Calling Strengths

  • Immediate feedback — Know instantly if there's interest
  • Relationship building — Human connection from first touch
  • Objection handling — Address concerns in real-time
  • Higher conversion per contact — When you connect, it counts
  • Gatekeepers — Can sometimes be navigated live

When to Choose Cold Email

Cold email wins in these scenarios:

1. High Volume, Defined ICP

If you need to reach 500+ prospects and your ICP is clear, email lets you scale efficiently.

Example: SaaS company targeting all Series A startups in fintech

2. Complex Products Requiring Education

When your value prop needs explanation, email lets prospects digest information at their pace.

Example: Enterprise software with technical differentiators

3. Junior Decision-Makers

Younger professionals often prefer email over phone calls.

Example: Marketing managers, product managers, developers

4. International Outreach

Time zones and language barriers favor asynchronous communication.

Example: US company selling to European market

5. Testing Messaging

Email's measurability makes it perfect for A/B testing value props.

Example: Testing two different pain points across segments

When to Choose Cold Calling

Phone outreach wins here:

1. High-Value, Low-Volume Targets

When each prospect represents significant potential revenue, the personal touch matters.

Example: Enterprise deals with $100K+ ACV

2. Time-Sensitive Offers

When urgency is real, phone creates immediate engagement.

Example: Event registrations, limited-time pricing

3. C-Suite Decision-Makers

Executives often have assistants screening email but take strategic calls.

Example: CTO outreach for infrastructure deals

4. Relationship-Driven Industries

Some industries still run on personal relationships.

Example: Financial services, real estate, insurance

5. Following Up on Warm Signals

When someone engaged with content or visited pricing, a call capitalizes on timing.

Example: Calling a demo request within 5 minutes

The Hybrid Approach

Most successful outreach combines both channels strategically.

Sequence Example 1: Email-Led

Day 1: Initial email (problem + value prop) Day 3: Follow-up email (case study) Day 5: Call attempt #1 Day 7: Email #3 (different angle) Day 10: Call attempt #2 Day 14: Final email (break-up)

Sequence Example 2: Phone-Led

Day 1: Call attempt #1 + voicemail Day 1: Email referencing voicemail Day 3: Call attempt #2 Day 5: Email with relevant content Day 7: Call attempt #3 Day 10: Email (final attempt)

Sequence Example 3: Parallel

Day 1: Email + Call (same day) Day 3: Email follow-up Day 5: Call + LinkedIn connect Day 8: Email (value-add content) Day 11: Call (final attempt) Day 14: Email (break-up)

Channel Selection Framework

Answer these questions to guide your choice:

1. What's your average deal size?

  • Under $5K → Email-primary
  • $5K-$50K → Hybrid
  • Over $50K → Phone-primary

2. How many prospects fit your ICP?

  • Under 100 → Phone + personal email
  • 100-1,000 → Hybrid sequences
  • Over 1,000 → Email-primary with phone for hot leads

3. What's your prospect's typical workday?

  • Always in meetings → Email
  • At desk frequently → Phone viable
  • Mobile-first → Email + SMS

4. What's your team's strength?

  • Strong writers → Lean into email
  • Strong communicators → Lean into phone
  • Mixed → Hybrid approach

Optimizing Cold Email

Subject lines that work:

  • Personalized with company name or industry
  • Curiosity-provoking questions
  • Specific numbers or results
  • Under 50 characters

Email body best practices:

  • 50-125 words maximum
  • One clear call-to-action
  • Personalization beyond {first_name}
  • Social proof when relevant

Technical requirements:

  • Verified email addresses (essential!)
  • Warmed-up sending domain
  • SPF, DKIM, DMARC configured
  • Under 50 emails/day per inbox initially

Optimizing Cold Calling

Before the call:

  • Research the prospect (2-3 minutes)
  • Have a specific reason for calling
  • Prepare for the gatekeeper

Opening that works:

  • "Hi [Name], I know I'm calling out of the blue..."
  • State your name and company clearly
  • Ask for 30 seconds, not a meeting

Handling "Send me an email":

  • "Happy to! What specifically would be most useful?"
  • "I will. While I have you, quick question..."
  • "Sure—can I ask what prompted that?"

Measuring Success

Email Metrics

| Metric | Good | Great | |--------|------|-------| | Open Rate | 25%+ | 40%+ | | Reply Rate | 3%+ | 8%+ | | Meeting Rate | 1%+ | 3%+ | | Bounce Rate | Under 3% | Under 1% |

Phone Metrics

| Metric | Good | Great | |--------|------|-------| | Connect Rate | 15%+ | 25%+ | | Conversation Rate | 5%+ | 10%+ | | Meeting Rate | 2%+ | 5%+ | | Calls per Meeting | Under 50 | Under 20 |

The Data Quality Foundation

Both channels fail with bad data. Before any outreach:

  • Verify emails — Bounces kill deliverability
  • Confirm phone numbers — Disconnected numbers waste time
  • Update titles — Job changes happen fast
  • Validate companies — Acquisitions and closures happen

This is where Scrappy shines—we ensure your contact data is accurate before you spend time or credits on outreach.

Bottom Line

Cold email is efficient, scalable, and measurable. Use it when you need volume and have a clear ICP.

Cold calling is personal, immediate, and high-touch. Use it for high-value targets and warm follow-ups.

The best approach uses both strategically, based on your goals, audience, and resources.

Start with quality data. Everything else follows.

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