Video Joiner & Trimmer is a handy iPhone app developed by 80 Degree Photo Studio Co. Ltd that allows users to merge and trim their videos effortlessly. With this app, you can easily combine multiple videos into one pack, making it convenient to enjoy and share your favorite clips or movie series without the hassle of handling them individually.

Adding videos to the app is a breeze - you can either choose videos from your album or shoot them directly with your camera. The merge result can be previewed immediately, ensuring that you get the desired outcome. Additionally, the app offers a trimming feature, allowing you to select the start and end time of your clips and trim them accordingly.

Video Joiner & Trimmer also offers slow motion and fast motion options, allowing you to enhance your videos with different playback speeds. The app supports both fit mode and full mode, giving you flexibility in how your videos are displayed. One of the standout features of this app is the absence of watermarks, ensuring that your videos remain clean and professional-looking.

Overall, Video Joiner & Trimmer is a user-friendly app that simplifies the process of merging and trimming videos. Whether you're creating a compilation of memorable moments or editing a longer video into shorter clips, this app provides the necessary tools to achieve your desired results.