There are several podcast apps available for iPhone that you might find better depending on your specific needs. Here are a few:

1. Apple Podcasts: This is the default podcast app on iPhone. It's simple, easy to use, and integrates well with Siri and Apple Watch.

2. Overcast: This app offers smart speed, voice boost, and smarter playlist features. It's known for its superior audio quality and easy-to-navigate interface.

3. Pocket Casts: This app offers powerful tools for managing your podcasts and finding new ones. It also includes playback speed controls, a sleep timer, and a 'skip silence' option.

4. Spotify: While known primarily for music, Spotify also offers a large library of podcasts. It's a great option if you want to consolidate your music and podcast libraries into one app.

5. Castbox: This app offers a clean and easy-to-use interface, along with a wide variety of podcasts from various categories.

6. Stitcher: Stitcher is great for discovering new podcasts. It also offers exclusive premium podcasts.

Remember, the "best" app depends on your personal preferences and needs. You might want to try a few different ones to see which you prefer.