With this service you are able to create an iphone app without a mac or sdk.
With this service your apps are going to work with iOs and android
Step 1: First head to widgetbox.com
Go to the link given below
Then register in this website by pressing the JOIN NOW button at the upper right of the website.Fill in the fields with your real email because you will need the incoming message from widgetbox that asks for validation.
Now you are ready to go.
Step 2: Start Creating your web app!!!
Now the interesting part!!!!
Sign in your account.
Then tap the MAKE AN APP button