Best DPI for iOS Apps?

1. What is the best DPI with an iPhone?
2. What is the normal DPI of iPhone?
3. How do I get 300 DPI on my iPhone?
4. Can 72 DPI change to 300 DPI?

What is the best DPI with an iPhone?

You should use 163 dpi if you want to, for example, print your template and view your screen designs at actual size. No, use 72 dpi for any images, etc. that you're using inside your app.

What is the normal DPI of iPhone?

iPhone - need photo resolution 300 dpi (min 3608 pixels with)

How do I get 300 DPI on my iPhone?

In Preview, it's under Tools > Adjust Size. Note I've unchecked Resample image. Do that first, then change the resolution to 300. Click OK.

Can 72 DPI change to 300 DPI?

If you have an image that's 72 dpi, you can change it to 300 dpi using Photoshop.