Marketing & measurement
CPI
Cost per install: advertising spend divided by the app installs counted.
In everyday use
A report shows A$100 spent for 25 attributed installs, giving A$4 CPI.
What to keep in mind
An install is not necessarily an active or paying user.
Also searched as: cost per install
Further reading
Original explanation and example by Perspectism. Further reading may cover the wider subject, rather than this exact wording. Edition updated 7 October 2026.
More in marketing & measurement
Page updated .