Recovering deleted texts is difficult if not impossible in most cases. Which app are you using for texting / SMS?
That question is also just asking for a lot of spammers to reply with links to questionable software / malware / scams. Many appear to be legitmate but they aren't. Many have fake review, awards etc to have the appearance of a real company / software. One of the frequently spammed ones has the appearance of a MLM scheme also.