Is Talking Ben the Dog free?

Excuse me, I've been hearing a lot about this Talking Ben the Dog application recently. I'm quite interested in it for my child, but I'm on a tight budget. Could you please clarify for me if the Talking Ben the Dog app is indeed free to download and use? Are there any in-app purchases or subscriptions that might cost money in the long run? It's important for me to know this before making a decision to install it on our devices. Additionally, are there any advertisements that might pop up frequently, affecting the user experience? Thank you for your time and assistance in clarifying this matter.