How useful is grammar-checking app?

As non native English speaker, we do want to improve our grammar, but we are disinclined to invest time and energy to laboriously study print or online resources about sentence construction. Now gramma checker app comes online, why not to check them out?
Of course you cannot rely on the app to write wonderful articles which should come from your brain, app only helps you improve it.

Alan5460256 about Grammar Checker Academic