Instapaper is simple apps and easy to use. If you find any article on website but you couldn’t read at that time, you need to copy it and then saving first to read in other time, it’s too hard. For further you need to install Instapaper on your iPad.  So you may more easy to  download your unread articles when you have connected to internet via Wi-Fi or 3G coverage area, and then you could read them when you have time : on the bed when you gonna sleep, on the train, on the bus stop when you are waiting for bus, in an airplane, at the bank.

After you download any articles you don’t need to connect to the internet again when you want to read them. For getting ideal appearance you may change or customize. You may  choose your font, margins, and line spacing, and adjust the text size from small to very large for your iPad or you may switch to Dark Mode when you are reading at night for reading comfortably. And more you may find any English words even on offline because Instapaper has built in English Dictionary, Create folders for organizing articles, scroll by full pages (pagination), scroll by tilting (tilt scrolling), lock rotation and you may download up to 500 articles at a time.