https://www.sumwerk.com/articles Subscription metrics you can check against Stripe: articles, and how companies use sumwerk. en https://www.sumwerk.com/articles/mrr-from-subscriptions-not-invoices https://www.sumwerk.com/articles/mrr-from-subscriptions-not-invoices Mon, 21 Sep 2026 00:00:00 -0000 A plan change in the middle of a billing period makes invoice-based MRR spike one month and dip the next. MRR belongs to the subscription's state, not to invoice amounts. https://www.sumwerk.com/articles/nrr-and-grr-explained https://www.sumwerk.com/articles/nrr-and-grr-explained Mon, 21 Sep 2026 00:00:00 -0000 Net and gross revenue retention answer different questions. A worked example with five customers, the two formulas, and the three mistakes that make the numbers look better than they are. https://www.sumwerk.com/articles/restatements https://www.sumwerk.com/articles/restatements Mon, 21 Sep 2026 00:00:00 -0000 Subscription metrics change in retrospect more often than anyone admits. Why that happens, why hiding it costs trust, and how closing months and recording restatements fixes it. https://www.sumwerk.com/articles/usage-based-churn-signals https://www.sumwerk.com/articles/usage-based-churn-signals Mon, 21 Sep 2026 00:00:00 -0000 Failed payments and scheduled cancellations are late signals. Product usage is an early one. How to find the usage attribute that predicts churn, turn it into a rule, and act on it. https://www.sumwerk.com/stories/kitchn https://www.sumwerk.com/stories/kitchn Sun, 20 Sep 2026 00:00:00 -0000 Kitchn.io checked its MRR against Stripe to the cent, imported five years of customers, notes and tasks in six minutes, and rebuilt its automations.