Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.

Feed Preview for Instagram - Feed Preview for Instagram app helps you in planning and scheduling your future Instagram posts so you can build a strong Instagram fan base.

Optimizely - A/B testing you'll actually use.

Preseters - Preseters is an app by ArtHouse Design Studio that lets you access the complete list of available presets for Lightroom so you can download them to your mobile phone without much of a stretch.

Smartlook - Qualitative analytics for websites and mobile apps Start understanding the 'whys' of your users' behaviors with clear, visual insights. With session recordings and event tracking, you get the complete picture.

Vintage Film Camera: Retro Art - Vintage Film Camera: Retro Art app helps you in shooting videos by applying retro and old effects with a single tap.