> For the complete documentation index, see [llms.txt](https://docs.helix.voodoo.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.helix.voodoo.io/monetization/view-reports/sdk-version.md).

# SDK Version

Focuses on performance differences across SDK versions, useful for rollout and regression analysis.

The **SDK version** tab focuses on how requests and impressions are distributed across SDK versions, making it easy to monitor rollout progress and detect regressions after SDK updates.

## Requests by platform and SDK version

This stacked bar chart shows how total requests are split by **SDK version**, grouped by **platform** (iOS and Android).

* Each bar represents a platform.
* Each color segment represents a specific SDK version.
* Values are shown as a percentage of total requests per platform.

{% hint style="info" %}
Use this report to:

* Verify SDK rollout adoption across platforms.
* Spot outdated or unexpected SDK versions still serving traffic.
* Compare rollout speed between iOS and Android.
  {% endhint %}

## Requests by SDK version and date

This stacked bar chart shows how requests evolve over time for each **SDK version**.

* Each bar represents a day (based on the selected date grouping).
* Each color segment represents a specific SDK version.
* The total bar length represents total requests for that day.

{% hint style="info" %}
Use this report to:

* Track SDK rollout progression over time.
* Confirm traffic migration from older to newer SDK versions.
* Identify sudden drops or spikes linked to SDK releases.
  {% endhint %}

## Requests and impressions by SDK version

The **Requests and impressions by SDK version** table lists, for each application and platform, the number of requests and impressions recorded per SDK version, for the selected time range and filters. It is intended for monitoring SDK rollout progress and identifying outdated or unexpected versions still serving traffic.

* **Application ID** - The application's bundle/package identifier.
* **Application** - The application name as configured in Helix.
* **Platform** - The platform (iOS or Android) the data was recorded on.
* **Sdk Version** - The version of the Helix SDK integrated in the app.
* **Requests** - Number of ad requests sent by the publisher to the ad network.
* **Impressions** - Total number of impressions served.

{% hint style="info" %}
Use this report to:

* Verify adoption of newly released SDK versions.
* Identify legacy SDK versions still generating impressions.
* Monitor rollout consistency across apps and platforms.
* Detect abnormal impression spikes or drops tied to specific SDK versions.
  {% endhint %}


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