What is apple store. every product is good is paid. so where can I download. I download some apps from other sites from my risk. and the sizes of all apps is minimum 100 mb. and some apps like 2.5 gb. I have I phone 4s and its memory is only 5gb and I got after apple apps only 3.5 gb after download 2.5 another app on my iphone. my iphone will hang or just finished for no other app used. so I suzzust u apple pls make low memory app and mostly free apps