Mixpanel is a mobile and web analytics tool. It tracks the user's interactions with web and mobile applications and offers tools for targeted communication with them. Its toolset contains in-app A/B tests and user survey forms. The collected data is used to build custom reports and measure user engagement and retention.
Optimizely doesn't reveal their pricing publicly on their website. A Convert report reveals the Quotes they have received from the Optimizely team which you can see in detail here.Optimizely offers three plans from which only twoAB Testing Tools for Mobile Optimizely