Choosing between Instantly and Smartlead for your agency? Both are popular choices. Instantly starts at $37+/mo and is best known as Cold email at scale with deliverability tools. Smartlead starts at $39+/mo and is Scalable cold outreach with rotating inboxes. Below is a side-by-side breakdown of features, pricing, pros, and cons to help you decide which fits your agency's workflow and budget in 2026.
In
Instantly
Cold email at scale with deliverability tools.
$37+/mo
👍 Pros
- Unlimited email accounts
- Built-in warmup
- Great deliverability
👎 Cons
- Learning curve for setup
- Extra cost for lead data
Sl
Smartlead
Scalable cold outreach with rotating inboxes.
$39+/mo
👍 Pros
- White-label for agencies
- Inbox rotation
- Unified master inbox
👎 Cons
- UI can be complex
- Requires warmup discipline