I put this together for fun and thought I would share. It won't cost you anything, I promise not to spam you, and you can opt out at any time.
Sorry, but it will only work with US phone numbers at this time. I'm sending the messages with Twilio and its pretty expensive to send outside the US. Some people have offered suggestions on ways around it and when I get some time I'll try to work out a solution.
You can see the repo here with the database abstracted away: https://github.com/chasedehan/DadJokeJunkie