It's important to be aware of how many messages you are using and where you are in your allotment. You can easily view how many messages you've used as well as the date of when it will reset. Messages do not roll over. But keep in mind that all incoming messages are free, Text In Church only counts outgoing messages towards your allotment.
Under Settings in the Account Overview tab, you can also see how many messages of your plan limit that you have used so far as well as your counter reset date.
The counters reset at midnight UTC time for all accounts on your invoice date or the date listed under the Account Overview tab.
If you need more messages, you can upgrade at any time: Update Your Plan.