Similarweb · Market Research

Returns the percentage of users who used the app during the first 30 days after installation.

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Published API evidence

Public metadata only. Response bodies, credentials, and internal review notes are never displayed.

No verification date is claimed. No response capture is claimed.

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').
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"
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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