If you do international travel many times and international call rates have deserted your pocket or wallet then you should have been looking for some cheaper ways. Skype can be used for this purpose but now it is outdated.
Ringo has awesome features which would surely help you to reduce your expenses by calling rates. The first thing in Ringo is that it is very convenient because the person you are calling doesn’t need to install this app. The second thing, when you call with this app the international call rate would be same as you pay for your local call. It would convert an international call to local call and hence will save your money.