
Instantly.ai
High-volume cold email infrastructure
Verdict —Instantly is the cleanest cold email tool on the market and the closest direct competitor to Smartlead. Better UX, larger warmup network, but less generous on mailbox limits per tier.
- Starts at
- $37/mo
- Free trial
- 14 days
- G2
- ★ 4.8
✓ What we love
- +Best UX in the category
- +Largest warmup network
- +Optional lead-finder add-on
✕ Watch out for
- –Mailbox tier limits
- –Weaker for agencies than Smartlead



