# Why is there Buy Button limitations?

**URL:** <https://community.glideapps.com/t/why-is-there-buy-button-limitations/16030>\
**Category:** Feature Requests\
**Created:** [September 19, 2020, 2:38am UTC](https://community.glideapps.com/t/why-is-there-buy-button-limitations/16030 "2020-09-19T02:38:49Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![david](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/david/32/62831_2.png) [@david](https://community.glideapps.com/u/david)\
**Post date:** [September 19, 2020, 3:30am UTC](https://community.glideapps.com/t/why-is-there-buy-button-limitations/16030/3 "2020-09-19T03:30:27Z")

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Buy Button columns must be basic data columns for security reasons for now. We want to allow computed columns but we must make it possible for the server that verifies the purchases to run the calculations—right now our servers cannot run calculations, only your running app on a device can.

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_[View the full topic](https://community.glideapps.com/t/why-is-there-buy-button-limitations/16030)._