CleverTap - CleverTap offers blazing fast analytics, powerful real-time segmentation, multi-channel messaging, A/B testing and personalization in one unified solution.
Podcast List - A database of 200k+ podcasts to feature your business
Apple App Analytics - Apple's very own iTunes Connect App Analytics
Pod Hunt - The best new podcasts daily
Callcounter.eu - Callcounter gathers API usage data and gives you insight in trends, slow parts and errors.
Podda.io - Podda is a podcast discovery tool that you can use to discover podcasts by guest.