Similarweb · Market Research

Cross-Usage represents the percentage of users who use each listed app together with the target app. The Affinity Index shows how likely users of the target app

Cross-Usage represents the percentage of users who use each listed app together with the target app. The Affinity Index shows how likely users of the target app are to use each app compared to average

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Request parameters

app_id query · required
Unique application identifier. Google app IDs consist of letters, numbers, and dots (e.g., 'com.facebook.katana'), while Apple app IDs are numeric only (e.g., '447188370').
asc query · optional
Orders the results by ascending or descending
country query · optional
Two-letter country code (e.g., 'us', 'gb', 'ww'). Example: "us"
end_date query · optional
End date in 'YYYY-MM' or 'YYYY-MM-DD' format or relative keywords: latest, X_months_ago, X_days_ago. Example: "2025-04"
format query · optional
Format in which the reply should be returned
granularity query · optional
Time granularity for the returned values. Example: "monthly"
limit query · optional
Sets how many results to return.
metrics query · optional
*metrics*: Comma separated list of metrics to retrieve. Available metrics: 'CrossUsage','Affinity'
offset query · optional
Defines the number of results to skip
sort query · optional
Selects a specific metric to order results by
start_date query · optional
Start date in 'YYYY-MM' or 'YYYY-MM-DD' format or relative keywords: latest, X_months_ago, X_days_ago. Example: "2025-02"
store query · required
Application store identifier

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