Radiance+

If you have an eye for color and brightness, you may have noticed the photos taken with iPhone camera "glow." If you want this "glow" effect for all of your photos, your search is over!

The only app on the market that does the job, Radiance works with photos you took from any other camera or downloaded online.

To display the "glow" effect:
On iPhone or iPad, please make sure your model has HDR display. You can find this information under your model's Tech Specs on the Apple website.
On Mac, your built-in or extended monitor can display 500 nits max brightness or more.

For best viewing, use iPhone, iPad, or Mac models with Super Retina XDR display.

EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/