As part of ongoing updates and improvements to our App Intelligence data, we’re going to perform a data update starting on September 20 through September 22, 2023 affecting all App Intelligence Standard users.

To align data to previous estimates, and allow an apples-to-apples comparison over an extended period of time, we will also perform a rerun, which will update data estimates going back to November 1, 2020.

Why the change?

We've implemented new algorithms and integrated additional data signals. The combination of these updates enables us to make more accurate App Data estimations by both trend and scale compared to our old algorithm. These upgrades provide estimations more representative of an app's usage.

What metrics are impacted?

The update will impact the following metrics:

  • Android, across all available country filters: 

    Affected Metrics: MAU, Unique Installs


    iOS, US Country filter only: 

    Affected Metrics: MAU

Important notes:

  • This release will impact Similarweb App Intelligence data. This means all relevant Similarweb App Intelligence data within our platform and any data pulled/obtained from our API will be impacted. 
  • Historical Data: Upon release of the new algorithm, all relevant historical data (through November 1, 2020) in the platform will change. All data will be rerun through the new algorithm to ensure a valid comparison.

What does this mean for you?

Once the update is completed, customers won’t be able to access the old historical data on both the platform and API. They can download and save their historical data in case they want a historical record of the old data. On release date, all estimates will be replaced with new estimates based on the data upgrade.

API users - after the upgrade is completed, clients utilizing our API should pull historical data again to allow seamless and accurate period-over-period comparisons.

Similarweb data methodology refresher

Our data methodology uses a multidimensional approach to ensure that every data point we estimate is reliable and representative of a site or an app's traffic and usage.

To learn more, visit Similarweb Data Methodology.

What's next?

The roll-out of the new algorithm will be completed by September 22, 2023. 

Should you have any further questions or require additional support about this matter, please do not hesitate to reach out. We’re more than happy to assist you and address any concerns you may have.

Contact your Account Manager or our customer support team with any questions.

FAQ

Q: What time period will the upgrade model impact?

A: The metrics above will be updated historically back to November 2020.

 

Q: What are the benefits of the upgraded model?

A: This upgrade will (1) increase scale and trend accuracy (2) improve historical usage estimates which will allow seamless and accurate period-over-period comparisons.

 

Q: When will the data update be released?

A: New data is expected to be released on September 20-22, 2023 

Q: I’m using your API - do I need to recall all of the data?
A: We recommend that you pull historical data again to allow seamless and accurate period-over-period comparisons. If you have questions about this process please contact your account manager.

 

Q: After the update is completed will there be a way to pull old data from the platform?

A: It won’t be possible to pull old data after the new data goes live on the platform. Clients who want to have access to old data, should download it before the date of the rerun/release.

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