Retain
AI flashcard app that turns uploaded study material into exam questions and a learning plan
Overview
Retain (retain.cards): AI flashcard app that turns uploaded study material into exam questions and a learning plan. Category on TopCheckouts: Education & exams.
In September 2026, Similarweb estimates about 12,894 visits went from Retain to a checkout payment page — #270 of the 607 sites we track. That is 228% up from the April–June monthly average of 3,933.
Total website visits that month were about 76,014 (Similarweb 3-month total, split by Semrush monthly trend). Roughly 17.0 of every 100 visits reached the checkout page.
Largest September traffic sources: direct 71%, search 29%. (Source breakdown from Semrush, desktop only.)
New users mostly come from the product spreading itself: the site shows shareable results, and direct plus brand search is about 100%. Most new users are brought in by existing ones.
Pricing: no public price found on the site — it may appear after login or inside the app.
September traffic sources
Semrush source breakdown (desktop)
Channel details
FAQ
How many checkout visits does Retain get per month?
In September 2026, Similarweb estimates about 12,894 visits went from Retain to a checkout payment page — #270 of the 607 sites we track. That is 228% up from the April–June monthly average of 3,933.
Where do Retain's new users come from?
New users mostly come from the product spreading itself: the site shows shareable results, and direct plus brand search is about 100%. Most new users are brought in by existing ones.
How much does Retain cost?
Pricing: no public price found on the site — it may appear after login or inside the app.
Similar sites
About the data
Checkout visits are Similarweb's estimate of visits from this site to a checkout payment page; opening checkout is not paying, so this is not revenue. See the methodology for how website visits and source mix are computed. Updated 2026-10-21.