# What kind of data is collected via Batch SDKs by default?

## Device data <a href="#device-data" id="device-data"></a>

### Mobile (iOS / Android) <a href="#mobile-ios--android" id="mobile-ios--android"></a>

| <ul><li>Installation ID</li><li>API level of the SDK (on Android)</li><li>IP address (shared with Batch, but not stored on Batch side)</li><li>Bundle ID</li><li>OS version</li><li>App version</li><li>Batch SDK version</li></ul> | <ul><li>Push token</li><li>Push notifications opt-in status</li><li>MLVL (Mobile Landing Version)</li><li>Mobile carrier\*: Batch collects the MNC/MCC codes and deducts the carrier name based on these IDs.</li><li>Locale (language and region)</li><li>Device time zone</li></ul> |
| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

{% hint style="warning" %}
This list details the data collected by default by SDK V.2. If you are using an older version, we recommend updating the SDK to the latest version (migration guide available here : [iOS](https://doc.batch.com/developer/sdk/ios/advanced/migration-guides) / [Android](https://doc.batch.com/android/advanced/2x-migration/)).

If you have any questions about the default data collected by SDK V.1, feel free to reach out to us via our Live Chat.
{% endhint %}

### Web <a href="#web" id="web"></a>

| <ul><li>Installation ID</li><li>IP address (shared with Batch, but not stored on Batch side)</li><li>Push token</li><li>Push notifications opt-in status</li><li>User-agent (web browser, OS, etc.)</li></ul> | <ul><li>Locale (language and region)</li><li>Country</li><li>Device time zone</li><li>City (see above for more details)</li><li>Batch SDK version</li></ul> |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------- |

Batch does not set any cookies but relies on Local Storage.

## App usage and campaigns data (App + Web) <a href="#h_c9da39433e" id="h_c9da39433e"></a>

| <ul><li>First SDK start date</li><li>Last SDK start date</li><li>List of the campaigns that targeted the installation.</li><li>List of the campaigns that targeted the installation and clicked by the user.</li></ul> | <ul><li><a href="https://doc.batch.com/getting-started/features/mobile-engagement-platform/userbase#smart-segments">Smart Segment</a></li><li>Send date of the most recent campaign that targeted the installation.</li><li>Number of push sent to the install, used for frequency capping limit.</li></ul> |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |