We're truly sorry for the difficulties you've had with our app. To better address the problems and work on improving it, we kindly ask you to provide some additional information. Please let us know the version of the app you're using, the model of your iPad and its operating system version, any error messages that showed up when the app crashed, and where the HEVC video came from. Your feedback is essential for us to make the app work more smoothly. Thanks a lot for your patience and support.

Hello, thank you very much for using our app. Could you please describe in detail what specific error you encountered? Additionally, to provide a better user experience, we are currently optimizing the desktop version and will release a version update in the near future. Please stay tuned.

Hello, thank you for your use. we are always committed to providing users with fast and efficient compression services, if you encounter any problems in use, please feel free to contact us, we will do our best to improve the use experience. If you've already started a free trial, you won't incur any fees during the trial period, and if you wish to cancel your subscription, you can manage it directly through your Apple ID Settings. For help with this process, refer to the following article: https://support.apple.