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The average cost of one app install from your TikTok ads.
TikTok rows imported before Upstack began requesting install counts have no installs, so CPI for those dates may show no value until TikTok data for that period is re-imported.

Formula

TikTok Cost per App Install = TikTok Spend ÷ TikTok App Installs

How it works

Upstack requests TikTok’s app_install reporting metric alongside spend for every account, campaign, ad group, and ad. TikTok counts an install on the date of the ad impression that earned it, so installs and spend for a day line up. When you look at a date range or a group of rows, the metric divides total spend by total installs. When the install total is zero, the metric shows no value rather than an error. TikTok doesn’t report a monetary value for installs, so there is no TikTok App Install Value metric.

Worked example

An app campaign with three ad groups: The campaign figure is 2,400 ÷ 800 = 3.00, not the average of the three ad-group CPIs (3.61). Upstack’s cost metrics always divide totals.

FAQ

Install counts are only on TikTok rows imported after Upstack began requesting them. Older rows have spend but no installs until that period is re-imported.
TikTok Ads Manager can also show installs by conversion time. Upstack uses installs by impression time, so installs that happen days after the ad was seen are credited to the day of the impression.
The Upstack Pixel runs on websites. App installs happen in app stores, so TikTok measures them through its SDK or your mobile measurement partner and reports them to Upstack.

See all TikTok App Installs metrics →