cashflowing
Company · checkout referrals

Retain

retain.cards

Ranked #2,696 of 22,010 companies sending people to pay, with 24K checkout visits from April to September 2026.

Educationno global rank
#flashcards#exam prep#study#education#single-checkout
retain.cards
Screenshot of the retain.cards website
Revenue estimator

What could retain.cards be making?

Checkout visits a month10.2K
×0.25×3

Our data says about 10.2K a month (latest month). Slide to test other scenarios.

Visits that end in a payment30%

Benchmarks: about 30% of people who start a checkout finish it in e-commerce, 40–60% in SaaS. One buyer can create several visits, so we start a little lower.

Average order$20

Look at their pricing page: the cheapest paid plan is a safe start.

Revenue per month
$61.1K
from new purchases at this pace
Range: $40.7K – $102K (cautious → strong conversion)
Per year
$733K
Purchases a month
3.1K

An illustration from your assumptions, not a forecast. Checkout visits are modelled third-party estimates; renewals usually charge automatically and don’t pass through a checkout page, which this model accounts for through retention.

#2,696
of 22,010 by checkout visits
24K
visits to checkout pages, six months
4K
visits a month, on average
1
checkout used
All through Stripe Checkout

Where its buyers pay

  • Stripe Checkout
    24K
    100% of its checkout traffic · #961 among everyone sending to Stripe Checkout

Trend, April to September

13.9K
Apr
0
May
0
Jun
0
Jul
0
Aug
10.2K
Sep

April to September: -27%. Peak in April at 13.9K visits.

What retain.cards does

Study app that turns uploaded course material into flashcards and exam questions and builds a personalized learning plan.

Summarised from the company’s public website. It may be out of date.

retain.cards sent 24K visits to checkout pages over six months, about 4K a month, which puts it at #2,696 of 22,010 senders we traced.

100% of that went through Stripe Checkout. It uses a single checkout, so its buyers all pay through Stripe Checkout.

Similarweb files it under Education. It isn’t one of the AI products we classified by hand, so it doesn’t count toward the AI total.

Visits are modelled third-party estimates, not revenue. Read what this can’t tell you before you act on a single number.

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