Keep Calm Wallpapers is a free iPhone app that offers a vast collection of high-quality wallpapers for fans of the popular "Keep Calm" theme. With daily new additions, users can enjoy a wide variety of stunning HD wallpapers that are compatible with all iPhone and iPod touch models.

The app features a simple and easy-to-use interface, allowing users to browse and save their favorite wallpapers with ease. Additionally, users can share these wallpapers with their loved ones via Facebook, Twitter, and email, adding a touch of personalization to their device's home screen.

One common issue users may encounter is that the wallpapers may not look exactly the same as the original downloaded picture in iOS 7, 8, and 9. However, this can be easily resolved by disabling the Parallax effect through the device's settings.

If you're a fan of the "Keep Calm" theme and looking to customize your iPhone's wallpaper, Keep Calm Wallpapers is a must-have app. Share it with your friends and don't forget to rate and provide feedback to help improve future updates.