Social media recruiting tools cover posting, scheduling, tracking and sometimes outreach, and for a small desk their value comes down to one measurable thing: whether the applicants they bring convert better than the ones you already get. That is a single ratio, applicants to screens, which is 20% on the worked example and multiplies through the whole pipeline. A tool that lifts it to 30% cuts applicants needed per hire from 50 to about 33, and a tool that floods you with untargeted applicants makes the sift worse while looking successful on every dashboard it produces. The measurement is not difficult: record a source against every applicant, run a quarter, and compare. This page sets out which categories of tool tend to move that ratio for a small employer, what to measure, and why reach is the wrong headline figure to buy on.
Posting and scheduling tools
These save hours rather than improving targeting. They are worth having if you post the same roles repeatedly, and their value is priced by your own hourly cost, which the cost per hire sheet on this site works out from figures you already have.
Targeting and outreach tools
These are the ones that can move the first ratio, because they change who sees the role rather than how quickly it is posted. Judge them on source-level conversion after a quarter, not on the reach figures in the demo, which are an input and not a result.
Tracking is the part people skip
None of the above can be evaluated without a source recorded against every applicant. It is one field, it costs nothing to capture at the point of application, and without it every channel argument is settled by whoever is most confident.
Questions people ask about social media recruiting tools
Which platform works best for hiring?
It depends entirely on where your candidates actually are, which varies by role and region. This site publishes no ranking; your own source-level conversion answers it for your roles in about a quarter.
Do I need a paid tool at all?
For a handful of roles a year, usually not. Posting by hand is fine and the free sheets here will tell you whether the channel is working.
What should I measure?
Applicants by source, the applicant-to-screen ratio by source, and eventually cost per hire by source. The first two are free to collect and answer most of the question.