Metrics · Retention · Activation · Weekly · % · Updated 2026-07-21

What is Day 7 Retention?

Short answer: The percentage of new users who return to the product seven days after signing up.

Definition

The percentage of new users who return to the product seven days after signing up.

Formula

Users active on Day 7 / Total new signups x 100

How to measure

Track a signup cohort and measure the percentage who trigger an active-use event on day 7 after signup.

Why track it

D7 retention indicates whether a user has formed an early habit beyond a single first-session curiosity visit.

Example

A habit-tracking app finds 30% of new users are still active on day 7, its clearest early signal of long-term stickiness.

FAQ

What is Day 7 Retention?
The percentage of new users who return to the product seven days after signing up.
How do you calculate Day 7 Retention?
Users active on Day 7 / Total new signups x 100
Why track Day 7 Retention?
D7 retention indicates whether a user has formed an early habit beyond a single first-session curiosity visit.