What Is Andromeda?
Meta's ad retrieval engine that picks which ads compete for each impression.
Definition
Meta's ad retrieval engine that picks which ads compete for each impression.
What Andromeda means
Meta’s ad retrieval engine that picks which ads compete for each impression.
Why it matters
Andromeda decides which ads are even considered for each person, so creative variety now helps your ads reach different audiences.
Practical tip
See Andromeda, GEM and Lattice explained.
Learn more
Related terms
All Meta Ads Glossary: 21 Terms & Jargon Explained →What Is Attribution Window?How long after a click or view a conversion is credited to an ad.What Is Business Portfolio (Business Manager)?The container holding your ad accounts, pages, pixels and people.What Is Conversions API (CAPI)?Server-side tracking that sends events directly to Meta.What Is CPM?Cost per 1,000 impressions.What Is Creative Diversification?Running genuinely different concepts so Andromeda can match ads to more people.What Is Creative Fatigue?Falling results as the same people see an ad too often.