Good photography app for iPad

[Invasion]

I'm looking for a good app for editing my photos on my iPad mainly looking for clone tool.
Any suggestions....don't have a system to use at the moment so have to,use my iPad.

Thanks

 

[Invasion]

How is the clone tool on it ?
At the minute I have to download pictures on my iPad then use file browser to put them across to my network hard drive. It works really well but really need to be able to do some editing at times.
Thanks for your help

 

[Invasion]

Snapseed.

That looks like just the ticket
Thanks