The phrase "app is open" is correct and usable in written English.
It can be used to indicate that an application is currently running or accessible for use.
Example: "The app is open, so you can start using it right away."
Alternatives: "application is running" or "software is active".
Smartphones on which Waze's app is open are tracked automatically.
If the Line2 app is open at the time, you're connected via Wi-Fi, if available.
While the app is open, it downloads currency exchange rates every 15 minutes, keeping it remarkably up-to-date.
If this is on, the app is open (present in your multi-tasking bar) and you have an internet connection but you are not receiving your issues automatically each morning, please contact [email protected]@theguardian.com
Asked about the practice, Julie Inouye, a LinkedIn spokeswoman, said that the company's "calendar sync feature is a clear 'opt-in' experience" that syncs only when the LinkedIn app is open and that members could opt out of the calendar feature at any point.
When the app is open, you're open to calls.
When the app is opened, it shows a map of the area around the player, with various points of interest marked – statues, clock towers and so on.
When the app is opened for the first time, a sensor that tells the researchers what time of day it is is unlocked.
Participants in the evaluation trial who opt in to receive notifications from the app may receive a "Welcome" notification 7 days after the app is opened for the first time.
When an app is opening, and the Home button is used to exit it, the translucent homescreen comes into play.
And when that newly downloaded app is opened, it simply displays the app's main page, as the context is lost.
