Want to know the best and cheapest way to power up your iPad with must-have photography apps? Take a look at our favorites, all are free and offer the opportunity to maximise your iPad on a budget. Foto Editor Foto Editor is about editing your photos with comfort. It offers complete set of basic image editing tools. It is a photo editor with an elegant user friendly interface. It is highly efficient and improves your photos instantly. With Foto Editor •    Gamma filter: you can perform the gamma correction of photos •    RGB balance: you can adjust the relative strength of R,G and B components of photos •    Brightness and contrast: you can…