Daily active users is a metric with a social life. It looks like vitality. Investors recognise the letters. The trouble, for a subscription that is meant to be opened twice a week — a banking glance, an insurance document, a children’s story at bedtime — is that DAU rewards nagging and punishes products that respect quiet.
We have sat with audio teams in Cardiff whose content is designed for long, rare sessions. Their DAU fell when they removed a badge that begged for a daily streak. Retention of paid months improved. The steering pack still led with DAU for a quarter because nobody wanted to be the person who “lost actives.” That is not analytics. That is etiquette.
What DAU actually counts
Usually: a person (or a device, or a muddle of both) who opened the app in a calendar day in a timezone you did not declare. It does not know whether they found the thing they pay for. It inflates when you send a push that opens a blank home. It deflates when you fix a crash that had been generating zombie sessions.
Habit, with a denominator
For subscriptions we ask for a habit metric with a clock: among people who started a paid month, how many completed the job the product exists for at least N times before renewal? N is a product decision, not a template. A meditation app and a banking app should not share N. Put the sample size under the number. If the month is young, say so.
When DAU still earns a line
Operationally: crash-free days, login incidents, marketplace apps where daily presence is the job. Even then, split identity. A household iPad can look like a loyal adult. Funnel Diagnostics Intensive spends ugly hours on that graph. Do not let DAU wash it away in a single tile.
Reporting without theatre
Lead the pack with paid retention or the habit clock. Place DAU in an appendix if a stakeholder still wants the letters. If they insist it stay on slide one, add a footnote that the product is not designed for daily use. The footnote is the analytics. The big number is decoration.