Pinterest revenue grows 12%; European ARPU falls

What changed

ARPU measures platform revenue per user, not auction prices. The regional difference is useful business context but does not show that European CPCs or CPMs became cheaper, nor justify a budget shift without campaign evidence.

Revenue per user is a company reporting measure: it relates platform revenue to its user base. It is not a quoted price for advertising inventory. A decline in European ARPU can occur for reasons that do not imply cheaper clicks or impressions for a particular advertiser, so the result should not be used as a shortcut to a media-cost forecast.

The regional comparisons also need consistent scopes. US and Canadian revenue per user and European revenue per user describe different markets with different mixes of users and monetisation. The company's total monthly-active-user figure does not identify the audience a specific campaign can reach under its targeting and format requirements.

For a media plan, use the results to frame questions about market development, then inspect actual account forecasts and campaign evidence. Compare costs, qualified traffic and downstream outcomes in the relevant country. A platform-wide growth figure cannot establish that shifting budget between regions will improve return.

If reporting the results internally, retain the reporting period, currency and distinction between revenue growth and audience growth. Broadly flat regional revenue alongside a larger or changing audience has a different meaning from a direct price reduction. Avoid relabelling ARPU as CPM, CPC or advertiser return on spend.

The article uses the 29 October results date. Pinterest's press release provides the financial figures, while Andrew Hutchinson's reporting supplies additional context. The final newsletter's regional caution is preserved: the numbers do not establish that European auctions became cheaper.