The best alternatives to Stop Curse are C-Command Software, Clean SMS, and Curse Quick. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Stop Curse?
AssemblyAI— Speech-to-Text API with superhuman accuracy
It allows you to scan your content utilizing multiple machine learning based, powerful text analyzers. Currently, the API supports 3 spam filters including Apache SpamAssassin. Visit the webpage and give it a try.
Scanning of user-submitted content made simple. Stop manually scanning files and users content, save time. With an easy to use and integrate API. All for free.
The Profanity Buster API is based on JSON for requests and responses and uses standard HTTP response codes and verbs. The found ban words in the API response are classified by category and severity that would help you automate the usage of it.