# How to check if an app is installed in device

**URL:** <https://community.thunkable.com/t/how-to-check-if-an-app-is-installed-in-device/1788163>\
**Category:** Questions about Thunkable X\
**Created:** [March 17, 2022, 6:46am UTC](https://community.thunkable.com/t/how-to-check-if-an-app-is-installed-in-device/1788163 "2022-03-17T06:46:32Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![dro](https://avatars.discourse-cdn.com/v4/letter/d/f04885/32.png) [@dro](https://community.thunkable.com/u/dro)\
**Post date:** [March 17, 2022, 6:46am UTC](https://community.thunkable.com/t/how-to-check-if-an-app-is-installed-in-device/1788163/1 "2022-03-17T06:46:32Z")

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Is there a way to check if an app is installed in device(using my app made in thunkable of course)?

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**Author:** ![tony.ycy.program](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/tony.ycy.program/32/100153_2.png) [@tony.ycy.program](https://community.thunkable.com/u/tony.ycy.program)\
**Post date:** [March 17, 2022, 9:34am UTC](https://community.thunkable.com/t/how-to-check-if-an-app-is-installed-in-device/1788163/2 "2022-03-17T09:34:49Z")

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You may have a device variable, this variable defaults to null, when turned on, determine whether this variable is null, if so, set it to true, and use firebase to record.

If you have play store you can detect how many people have installed.

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**Author:** ![dro](https://avatars.discourse-cdn.com/v4/letter/d/f04885/32.png) [@dro](https://community.thunkable.com/u/dro)\
**Post date:** [March 17, 2022, 4:43pm UTC](https://community.thunkable.com/t/how-to-check-if-an-app-is-installed-in-device/1788163/3 "2022-03-17T16:43:41Z")

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My question is: how to check if any app is installed on device. Your answer is applicable for checking to see if my app is installed.

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**Author:** ![system](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/0/f/0f59f292712368bce16ff80133ae10de8a6f27e8.png) [@system](https://community.thunkable.com/u/system)\
**Post date:** [June 15, 2022, 4:44pm UTC](https://community.thunkable.com/t/how-to-check-if-an-app-is-installed-in-device/1788163/4 "2022-06-15T16:44:05Z")

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