There are in-app purchases and ads in the tool. Samsung and Micromax users like this application. Get the .apk installer of Learn C Programming 3.0 free of charge and take a look at users' reviews on Droid Informer. You will need 2 MB to install the app.
According to the antivirus report, the app doesn't contain viruses or any kind of malware.
Users leave reviews pointing out that you can benefit from the strong points of this application which are the best interface and advanced features. As users see it, you can find such drawbacks of the tool as calculation errors and ads everywhere.