The debate between SMS and email for lead follow-up is not even close on the numbers. SMS wins on every measurable metric: open rate, response rate, speed of engagement. But that does not mean you should abandon email entirely. Each channel has a role.
The Numbers
The 98% vs. 20% open rate gap is the headline, but the response rate gap matters more. A 45% response rate on SMS means nearly half the people you text will reply. At 6% for email, you need to send 8 emails to get the same engagement as one text.
When to Use SMS
Lead alerts to your team: When a new lead comes in, your team should get a text, not an email. A text is seen in minutes. An email sits until someone checks their inbox.
First response to the lead: An auto-response text to the lead within seconds of form submission has the highest engagement rate of any touchpoint. "Got your inquiry — calling you in a few minutes" gets a 40%+ acknowledgment rate.
Review requests: "Thanks for choosing us! Mind leaving a Google review? [link]" converts at 10-15% via text, vs. 2-3% via email.
When to Use Email
Detailed information: Quotes, proposals, specifications, and anything with attachments. SMS is not built for long-form content.
Follow-up sequences: Day-7 and day-14 follow-ups work well as emails because they should include more context and feel less urgent.
Receipts and confirmations: Post-transaction documentation belongs in email where it is searchable and archivable.
The Best Strategy: Use Both
The highest-performing lead response strategy combines both channels. Text for speed and urgency (alerts, first response, reminders), email for depth and documentation (quotes, proposals, follow-up content). Long Drive Leads supports both: SMS alerts for your team, auto-response via text and email to the lead, and email-based follow-up sequences. Set up your alert system to use both channels for maximum coverage.