Comparison
Sendlyio vs Instantly
The AI-first alternative to Instantly — without per-inbox fees.
Instantly pioneered unlimited inbox sending. Sendlyio takes it further with a true AI campaign agent, smarter reply triage, and pricing that doesn't punish you for scaling.
Why teams switch to Sendlyio
True AI agent
Tell Sendlyio your offer; it writes sequences, builds the list, and launches. Instantly's AI is mostly subject-line tweaks.
Unlimited campaigns on Agency
Run as many simultaneous campaigns as you want on the Agency plan. Instantly's higher tiers cap campaigns or charge per seat.
Smarter reply triage
AI categorizes every reply and drafts a response. Save hours every week.
Feature comparison
| Feature | Sendlyio | Instantly |
|---|---|---|
| Multi-inbox sending | Up to 10 | |
| AI sequence generation | Limited | |
| AI campaign agent | ||
| Built-in warmup | ||
| AI reply triage + drafts | ||
| Email verification | Built-in | Paid add-on |
| A/B testing | ||
| Free plan | ||
| Public API | Higher tier |
Pricing compared
| Plan | Sendlyio | Instantly |
|---|---|---|
| Trial / Free | $0 | No free plan |
| Growth | $47/mo | $97/mo |
| Agency | $129/mo | $358/mo |
Pricing as publicly listed at the time of writing. Instantly pricing may have changed.