Below are links to Websites that review apps.
Some mobile applications like Micromedex, Epocrates, and NEJM are mobile versions of resources that are already considered professionally reliable. Taking that into consideration, it is important to remember that in most cases anyone can create a mobile phone app. There are applications you may not readily recognize and will need to evaluate further. When considering mobile applications you should use most of the same criteria that you would use when evaluating a website:
It is also a good idea to make sure the library does not already subscribe to the mobile format of a resource that is sold as a subscription.