We are heading down to Aruba from the US in a couple of weeks, and want to be able to use our iPhones (voice & text for sure, possibly web as well). Does anyone have experience with the Truphone app, or another international calling plan app? Or with AT&T’s int’l service (not that I’m holding my breath…)?
Advice? Opinions? Help? 
Look into skype, I assume that your talking about a smartphone at least. I personally have not used truphone, I have it on the iPhone, but never found a use for it. Skype you can load up with minutes for roughly , I pay $14.00 can, and it and truphone goes through wifi. They post calling rates and text rates to various countries.
You might want to check roaming agreements with your provider and the provider in Aruba, or at least your hotel if they have wifi, depending on that info, it may end up better if you pick up a paygo sim and use it with your smartphone, if it’s gsm.
Declan
Thanks Declan, I’m looking into stuff.
Bump for the end of the weekend?
No idea about Truphone, but a quick look at it makes me think you’d still need to sign up for an AT&T International Data package for doing any web browsing or stuff that usually uses cellular data when not on wi-fi. We just got back from a month in Europe (2 wks Spain, 2 wks France) and we signed up for the 50 MB package and the International Traveler thingy (“WorldConnect” is so you can get discounted rates calling from the States to another country on your cell) so we could make calls to Spanish and French numbers and “only” have to pay $.99/minute. We ended up not making that many calls to make it worth the money, but given the cost of international data usage without a plan, it was well worth it to get the data package so we could use the phone to keep in touch with our families through e-mails and Facebook updates, use the GPS, and google info for traveling, since there were way, way, way fewer free wi-fi spots than in the States.
We haven’t got the billing yet, and looking at it online looks like something screwy went on (probably something to do with a billing cycle, no doubt), but we’ll work it out in the end, I’m sure. Definitely make sure you’ve seen their iphone tips for International Roaming, and follow that–it got to be a bit of a pain to keep turning off the roaming back and forth, but, given how quickly the data gets eaten up and how expensive overages are, was an important thing to do.
We had the Skype app, but actually didn’t end up using it. We’ve used it from our home wifi to test it out and it worked great, though.
Texting internationally is a separate thing from data, if you don’t use something like the pingr app–if I remember, it’s $.50 a message, so watch out with that.
Hope that helps!