Definitions of terminology used by Sensor Tower

Spikes and Plummets

When configuring a custom alert you may come across the terms Spike and Plummet in Step 2. 


The thresholds for a spike or a plummet vary per metric. 

  1. Select an alert type (such as Estimated Revenue or Share of Voice).
  2. Select Spike or Plummet from the Action dropdown.
  3. Toggle from Sample Alert to Explanation to see what will trigger an alert.

For example:

Spike in Share of Voice
This alert triggers when share of voice for an app goes up a lot compared to its share of voice over the last 15 days.

This will tell you when a competitor is increasing their ad spend and allow you to analysis why they are doing a burst campaign.

If an app jumps from 2% share of voice to 6% share of voice suddenly, this alert will trigger.

If there is anything to configure in the following step, this will also be listed.

Sensor Tower uses a combination of statistical analyses, including standard deviation, mean, and median, to determine when these spikes and plummets trigger.

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