CleverTap - CleverTap offers blazing fast analytics, powerful real-time segmentation, multi-channel messaging, A/B testing and personalization in one unified solution.
Day One - A simple journal application for the Mac, iPhone, and iPad. AboutTo learn more about Day One, see these two excellent reviews . PublishPublish is not available in Day One 2.
Apple App Analytics - Apple's very own iTunes Connect App Analytics
Mini Diary - Simple and secure journal app
Callcounter.eu - Callcounter gathers API usage data and gives you insight in trends, slow parts and errors.
REFLECTLY - The world's first intelligent journal