Instantly
Stands out: Warmup, unibox, and volume send with hosted MCP and a public API.
Watch out: Deliverability still depends on your domains and inboxes, not the tool alone.
Not the right fit for
- Teams that only need LinkedIn messaging
- Buyers looking for an ATS
Zeliq
Stands out: Credits never expire, and only verified data costs credits: 1 per email, 10 per mobile number.
Watch out: Mobile numbers cost 10 credits each, so 750 credits cover only 75 phones. Custom starts at $1,500/user/year with a three-license minimum.
Not the right fit for
- Teams that only need email verification
- Phone-heavy prospecting on a small budget