<!--
{
  "documentType" : "article",
  "framework" : "Analytics Reports",
  "identifier" : "/documentation/Analytics-Reports/default-browser-usage-rate",
  "metadataVersion" : "0.1.0",
  "role" : "article",
  "title" : "Default Browser Usage Rate"
}
-->

# Default Browser Usage Rate

Review percentage of devices where your browser app is set as the default web browser.

## Overview

This report details the percentage of devices that have your browser application set as the default web browser. This data is reported on a weekly basis per device.

- Territories: Worldwide
- Platforms: iOS, iPadOS.  For more information about iOS and iPadOS, see the Platforms section in [Data Completeness and Corrections](/documentation/Analytics-Reports/data-completeness-corrections).
- Availability:
  - Daily: Every day.
- History: On request, data is available beginning with iOS 17.4 and iPadOS 17.4.
- Completeness: Data from devices that contribute to this report can arrive as late as 8 days after the date it generates on device. You can download recent data daily, but it might be incomplete, and data updates incrementally daily, until all late-arriving events are available.
- Privacy:
  - Includes data from users who have opted to share their data with Apple and developers.

## Report Fields

|Report Field  |Description                                                                               |Data Type|
|--------------|------------------------------------------------------------------------------------------|---------|
|Territory     |App Store country or region                                                               |`string` |
|Date          |Start date of the week during which the event occurred                                    |`string` |
|Platform      |OS version on the device on which the event occurred                                      |`string` |
|Device        |Type of device on which the event occurred                                                |`string` |
|Build         |Build of device on which event occurred                                                   |`string` |
|Release Type  |Type of software release                                                                  |`string` |
|Selection Rate|Percentage of unique devices that set your browser app as default among all unique devices|`float`  |

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)