{"found":true,"collection":"facts","library_url":"https://www.grokbotdb.com/library/fact.performance.cost-per-install-15-to-1","generated":"2026-09-06T05:32:11Z","citation":["Quote the record id and its source_url (or provenance if there is no URL).","Include last_verified or observed_at when present. Do not present an old date as current.","If tier is community and confidence is low, say so. Do not launder it into a fact.","If the database does not hold the answer, say that. Do not invent Grok Bot product claims.","Contradictions are data: when conflicts_with is present, report both records rather than picking a favourite.","Deprecated and removed records stay visible. They are history, not current guidance."],"record":{"id":"fact.performance.cost-per-install-15-to-1","subject":"performance","claim":"One mobile game studio reports a Grok Bot loop reduced cost per install from 15 dollars to 1 dollar and improved day-seven retention by about four times.","kind":"opinion","status":"unverified","tier":"third_party","source_id":"src.tp.flaviocopes.deepdive","source_url":"https://flaviocopes.com/grok-bot/","quote":"Perry reports that this loop reduced cost per install from $15 to $1 and improved day-seven retention by about four times.","observed_at":"2026-09-03","confidence":"low","notes":"Second-hand and unaudited. Copes himself qualifies it: That is one team's result, not a benchmark. Kumar Gauraw explicitly excludes exactly this class of claim as unreliable ROI evidence.","first_seen":"2026-09-03","last_verified":"2026-09-03"}}