What is CPI (cost per install)?

CPI, or cost per install, is the advertising spend divided by the number of app installs it generated.

CPI measures efficiency of acquiring installs but not their quality. Pair it with retention and revenue metrics.

Learn more

• Metrics explained

Related terms

• CAC (customer acquisition cost)
• ROAS (return on ad spend)
• LTV (lifetime value)

Start your first batch with Otto — Your automated social media marketer.