Hello! I think Alice Player https://alice-tv.com/eng/would be perfect for you. It’s a dedicated IPTV app for Apple devices, including iPads, and it checks all the boxes you mentioned. The app supports high-quality 4K playback, ensuring that you get the best viewing experience possible. It’s also designed with security in mind—your playlists are stored locally on your device or in iCloud, so no one else has access to them. Managing playlists is super easy with Alice Player, even if you’re working with very large or multiple lists. The interface is straightforward and customizable, making it simple to navigate and find the content you want. You can grab it from the App Store, and they even offer a 14-day trial so you can see if it fits your needs before subscribing. For an iPad IPTV app with top-notch quality and security, Alice Player is an excellent choice!