Sharpen: Photo Enhancer Fix is an iPhone app developed by 丽蓉 赵. It is a free multimedia application that aims to enhance the sharpness of your gallery or camera photos. With the help of AI photo sharpener, this app can easily improve the quality of your photos, making them look sharper and more detailed.

The main features of Sharpen: Photo Enhancer Fix include the ability to enhance old photos in memory to HD, AI photo sharpener for sharpening photos, simple and easy-to-use interface, and smart color enhancement.

It's worth noting that the app offers a subscription option, with a 1-month subscription priced at $7.99 and a 1-year subscription priced at $Payment will be charged to the iTunes Account upon confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Users have the option to manage their subscriptions and turn off auto-renewal in their Account Settings.

Please refer to the app's Terms of Use and Privacy Policy for more information.