Reach is the number of unique users who saw an ad at least once, counting each person only once regardless of how many times the ad was shown. It measures audience size, while impressions measure audience exposure.
How AnyTrack reports reach
Section titled βHow AnyTrack reports reachβReach appears in the Campaign Report Performance metrics as βthe total number of unique users who have seen your ad,β fetched from Meta Ads, Google Ads, and TikTok Ads. Reach is also the denominator of Frequency (Total Impressions / Unique Reach).
Reach vs Impression
Section titled βReach vs Impressionβ- Impression β one person who sees an ad five times is five impressions but counts as one in reach; the ratio between the two is your frequency.