Days to double
The average number of days for an app's user count to double inside an organization.
How it's calculated
Measured within each organization where the app spreads, then averaged. It is one of the three inputs to the viral score.
How to read it
Lower is faster. It shows how quickly an app spreads once it is inside a company.
Example
In Viral App Radar: 2025, Google AI Studio doubles fastest, in 11.7 days. See the report →
Used in
Related terms
- Shadow IT index
A 0 to 100 score for how often an app is used without being sanctioned by IT. Higher means the app is more often left as discovered shadow IT.
- Adoption
The percentage of monitored organizations where an app was adopted during the month measured.
- Rank change
The number of places an app moved since the previous published edition of the same index.
- Viral score
A 0 to 10 score for how fast an app is spreading across workplaces.
Full formulas and limitations on the Methodology page.