IC card is a rechargeable smart card which is issued by railway companies. It is getting very common ways to travel in these days. Once you have this card, ticket purchasing is not required. It gives you convenience. But there are many types of card available. And it is so hard to find which train and bus are covered by these cards.
There are many deals for sightseeing in Osaka. I would like to show you the deals for the tourist who stays in Osaka and want to visit the places in Osaka. I believe you will find most suitable for your trip.
By the way, if you intend to have a day trip to Osaka from other cities, such as day trip to Osaka from Kyoto, from Kobe, Kansai thru pass is most recommended. Because Kansai Thru Pass and other deals are available. Please find the detailed information in the link below:
You may travel in Kansai area only and not travel throughout Japan. You may have one way trip from Osaka to Tokyo. For these travelers, ICOCA and Haruka gives you a good deal for Kansai airport to Osaka, Kyoto and Nara.
This deal gives you access to Osaka and Kyoto by Limited Express Haruka and 1500 yen preloaded e-money in ICOCA card.