Next month marks the start of the Worldwide Developers Conference—aka the Super Bowl for Apple's developer community—so we're taking a second to look at some of the best apps that are about to change the way you use your phone.More
The App: Aaptiv, free.
What It Does: Need to shake up your exercise routine? Recreate your favorite workouts—like elliptical circuits and energizing yoga flows—by streaming audio-based fitness classes that provide both the guidance of a trainer and the perfect playlist for a challenging sweat session.
The App: Think Dirty, free.
What It Does: Not entirely sure which lipsticks and foundations are best for your skin? Think Dirty scans beauty products to provide information on the product's ingredients and health impacts, and assigns it a rating to help you avoid potentially toxic ingredients.