Every figure is what the brand itself publishes. Where it does not publish a value, the cell says so instead of guessing. Links marked Visit go through this site so we can count clicks.
17 programs in this directory, checked against each brand's own pages in September 2026. The list only counts programs that are open, paused or invite only.
The median is 30 days among the 12 programs that publish one. The longest: Acoust (90 days), Koala AI (60 days) and Unicorn Platform (60 days).
The most common: In-house (6), Rewardful (4) and Tolt (3).