# When any components change, does the app need to be open to actually acknowledge the changes

**URL:** <https://community.thunkable.com/t/when-any-components-change-does-the-app-need-to-be-open-to-actually-acknowledge-the-changes/422373>\
**Category:** Questions about Thunkable X\
**Created:** [January 23, 2020, 1:16am UTC](https://community.thunkable.com/t/when-any-components-change-does-the-app-need-to-be-open-to-actually-acknowledge-the-changes/422373 "2020-01-23T01:16:59Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![KetchupMaster](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/ketchupmaster/32/30951_2.png) [@KetchupMaster](https://community.thunkable.com/u/KetchupMaster)\
**Post date:** [January 23, 2020, 1:16am UTC](https://community.thunkable.com/t/when-any-components-change-does-the-app-need-to-be-open-to-actually-acknowledge-the-changes/422373/1 "2020-01-23T01:16:59Z")

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I want to make a fitness app that tracks the amount of steps a person takes during the day using the “When accelerometer changes” function. Will it still run the code to add the steps even if the app isn’t actually open?

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**Author:** ![jared](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/jared/32/138473_2.png) [@jared](https://community.thunkable.com/u/jared)\
**Post date:** [January 23, 2020, 2:03am UTC](https://community.thunkable.com/t/when-any-components-change-does-the-app-need-to-be-open-to-actually-acknowledge-the-changes/422373/2 "2020-01-23T02:03:42Z")

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No. The only component that can “ run in the background” it would seem are the push message capabilities

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**Author:** ![ioannis](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/ioannis/32/146956_2.png) [@ioannis](https://community.thunkable.com/u/ioannis)\
**Post date:** [November 8, 2024, 11:45am UTC](https://community.thunkable.com/t/when-any-components-change-does-the-app-need-to-be-open-to-actually-acknowledge-the-changes/422373/3 "2024-11-08T11:45:53Z")

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