If i put 900 songs on my iphone which is 16gb how much space could i have left?

I'm getting a 16gb iphone and i have roughly 900 songs i would like to put on it. How many apps estamitly could i put on my iphone

Stating on average that every song size is 5Mb, then 900 songs would be 4.5 Gb there's plenty more space.
Each apps have various sizes depending on what kind of apps., me i'm speculating that your a multimedia person i guess you could install at least 10-25 or more apps, in that genre. Without your iPhone furthermore decreasing its performance.

I've got a 16gb sd card in my galaxy s4, I have around 1200 songs and that doesn't take up even a GB, most of my memory is taken up by apps, even my videos & photos take up more memory than my music also I still have 9.25gb to spare. So basically yes you will still have more than enough space left for apps ect.

Apps run between 0.002 and 0.2 GB. Most are around 0.02 GB, so with 16 GB you could hold many hundreds of apps, depending on what else you put on the phone. Apps that contain a lot of data, like Garage Band, can be nearly a full GB in size, but they are pretty rare.