Compare

Where we win, and where we don't.

Three of the four tools below are good at something we are not. Saying so is cheaper than having you find out after you have paid us. This is our reading of publicly available information; if we have a competitor wrong, tell us and we will correct it.

Feature by feature

Capability	RelianceHub	Apollo	Instantly	SourceWhale
Core function	Hiring-signal outbound	Contact database	Sending infrastructure	Recruiter-to-candidate outreach
Data source	Live job-board signal — Adzuna, Jooble, web search	Static contact database	None — you supply the list	Your ATS plus sourced candidates
Sending cap	300 / mailbox / day, enforced in code	Plan-dependent	Configurable per mailbox	Plan-dependent
Deployment	Single-tenant, private instance	Shared multi-tenant SaaS	Shared multi-tenant SaaS	Shared multi-tenant SaaS
Deliverability	Good — because we send through Instantly	Adequate	Best-in-class	Adequate
Contact data depth	Resolution via Apollo, on your key	Deepest — plus a free tier	Lead database included	Candidate-focused, not client-focused
Target use case	Agency-to-client business development	General B2B sales	General B2B sales	Recruiter-to-candidate
Pricing model	Mailbox-based — £299 to £749 / mo	Seat-based	Mailbox plus plan tier	Seat-based

Stated plainly

Where the others are better.

Apollo

Apollo has deeper contact data and a free tier. If what you need is the largest possible contact database and nothing else, buy Apollo. We resolve contacts through it — on your key.

Instantly

Instantly has best-in-class deliverability — which is why we send through them rather than building our own sending infrastructure and asking you to trust it.

SourceWhale

SourceWhale is the incumbent for recruiter-to-candidate outreach. We do agency-to-client business development instead. If you are trying to reach candidates, they are the tool, not us.

The one thing we do differently

Every tool in that table starts from a list. We start from a vacancy that went live this morning. That is the whole difference, and it is the only reason to choose us over any of them.

SEE HOW IT WORKS