Learn Spanish on Speakly
Speakly is a language learning app that uses your phone's microphone to translate words you hear in real life. It also lets you store translations, search through them by voice searches, learn new words and review past ones. For each word it gives an example sentence that includes the word learned, which makes for good practice in both reading comprehension and speaking.
Price: $10.99/month
Devices: Android, iPad, iPhone, and Web