OptinMonster vs Sumo

OptinMonster is used by more websites in our catalog: 3,145 use OptinMonster and 1,587 use Sumo.

OptinMonster sites have the higher median Ahrefs Domain Rating (OptinMonster: 39, Sumo: 26).

Between 2026-06 and 2026-07, OptinMonster went from 0.45% to 0.36% of all tracked sites, while Sumo went from 0.23% to 0.18%. Sumo is gaining ground faster in our index.

32 websites in our catalog use both OptinMonster and Sumo.

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.