Other SMS messaging apps. If there are more than one SMS app installed, they will block each other and not function properly. Plugins may fail to render and their functionality will be blocked. If you are using multiple SMS apps, you should consult with the support team to ensure that it is necessary and that setup is configured properly.

Apps that modify Shopify’s standard processes. TxtCart gets data about the cart/checkout, customers as well as orders from Shopify directly. In case an app modifies or replaces something about the default checkout processes, it may block TxtCart from being able to track and text customers properly, hindering or preventing sales.

These include Upsell apps / Custom Checkout Solutions and some other SMS apps