Yes, we do understand you might not like advertisement showing in this application. However, we would like to direct your attention towards the Hard Work, Time, Love and Effort we put in making these applications as useful as possible for you. Showing advertizement helps us in earning some money for the work that we have put towards making this application. We only use trusted advertizement company Google for showing advertisement, so be rest assured. You may find a cool advertisement too.
Along with this, the content of these applications is hosted on trusted DigitalOcean Cloud VPS, so need not to worry about speed. And Yes, Cloud VPS of DigitalOcean is not free, we pay for it every month. You are welcome to remove the advertisement by spending a marginal amount to go advertisement free for the lifetime in the application by using our In-App purchase. Happy Learning! 🙂