Some computer programs for teaching phonics to adults are Ultimate Phonics and SightPhonics. The Ultimate Phonics software is available for Windows and Mac, and it contains 262 lessons with over 2,00 sentences and 4,400 words. As of November 2015, this program costs around $70 for an unlimited number of users.
SightPhonics is an online program that teaches phonics through visual aids. The program uses a method that involves consonant-vowel blends, and it breaks down the words and reads them aloud to students. People can sign up for this online program and receive instant access. The cost is about $25 per month.