Who the engines named
Buildium was named in 119 of 148 observed answers across ChatGPT, Claude, Perplexity, Google AI Overviews and Google AI Mode, more often than any of the other 21 vendors the Index checked in this category. Buildium on the Index.
3 of the 22 checked vendors were named in none of the 148 observed answers:
0 of the 10 buyer questions returned no checked vendor in any observed answer. This counts checked vendors only; an engine may still have named a vendor outside the checked set.
Also named often: AppFolio and DoorLoop. Every checked vendor's count and base is on the Index category page.
Answers were observed on 22 September 2026 (UTC) and released on 23 September 2026. These are observed answers on stated dates, not a ranking.