ipa-signature meaning is already packaged ipa file but can not be installed to a non-jailbroken phone ipa file into can be installed without jailbreak iPhone!
Conditions required
1, ipa file
2, iOS certificate (can be personal or business certificate)
3, re-signing tool
Development tools re-signature artifact, you can use a Windows computer, very easy to use, general tools can only re-signing with Apple Computer.
full functioning
a. a single batch signature or signatures
b. Modify the package name and version number of the application id
c. Insert lock time lock or removal time, normal or disable control APP
d. software to dynamically modify the expiration date alert message and
Free download, free trial
Running interface, fool-operation, will be a look!