Here’s a fairly comprehensive review of the current (good) wine applications for the iPhone:
- Drync Wine 2.0
- Velvet Vine Wine Companion 1.1.1
- Wine Enthusiast Guide 1.2
- Wine Pad 188.8.131.52
- Wine Snob 2.2.1.
Hello Vino was not mentioned in this particular round-up but it is worth a look as well.