Would be grateful for your input. Thinking of replacing my basic Dora with an iPhone, either 6 or 7, I have an iPad Pro and a Mac so want things to work together. I would like the 128 gbytes as I have around thirty gbs already on other equipment and paying for storage. My daughter says the 6 is best as it more robust. However, this is not supported by online reviews. She says my grandson has had trouble with his 7 but he does have history of break downs on his Mac laptops and broken parts. Please, so pleased to hear from you if you can throw light on the choice. I will be using pay as you go as don’t want a contract and want the larger storage which contracts don’t seem to use.