Is there a way to suspend cards based on next review time?

For example I want Skritter to automatically ban/suspend cards when the interval reaches >1month. Is there a way to do this?

There’s not an automatic way to do this, sorry! You can ban the word via the detailed info panel (i), however. You could also use the Words page of the website at, and then click on any word that you see has more than a 1 month interval in the “Next” area to ban it that way as well.