QuickBlur is a free iPhone app developed by CONG DUC TRAN that aims to help you easily blur the background of your photos. With its smart blur feature, you can select the main object in your photo and the app will automatically detect the foreground and background, making the background blurry.

The app offers a variety of over 15 blur effects to choose from, including blur, motion, zoom, pixelate, and more. You can also adjust the intensity of the effects to achieve the desired result. Additionally, QuickBlur provides an easy and intuitive editing interface, allowing you to change brush size, opacity, softness, and position to fill the mask more accurately. You can also zoom in and out of the photo to focus on its details.

While QuickBlur is free to download and use, there is an option to subscribe for unlimited access to all 15 premium filters and enjoy an ad-free experience. Subscriptions are available on a weekly, monthly, or annual basis, or you can opt for a one-time payment plan for specific effect bundles.

Overall, QuickBlur is a user-friendly photo editing app that offers a convenient way to blur photo backgrounds with a wide range of effects. Give it a try and add a professional touch to your photos.