SmartThings, at the moment there appear to be issues with all three mobile apps in some form.
You have been upgrading your back end services, including your databases. You have made updates to the hub platform.
Please consider spending the next two sprints on stability. Identify all high level features and make sure they are stable in all FOUR interfaces:
Once this has been done, THEN continue with your feature list. Otherwise, the divergence between what you have on one platform will continue to make regression testing harder. More importantly, the satisfaction of your users will continue to drop.
You have the ability to fix this. Please, please consider shifting your focus to stabilty.