Right now, Rosetta Stone has discounted its lifetime memberships, which means you can pay once and learn forever. What is on sale and how the plans differOn the deal page, Rosetta Stone is highlighting three main options for individual learners. Pick lifetime for one language if you know exactly what you want to learn and you hate subscriptions. Pick lifetime Unlimited Languages if you want maximum flexibility. If you want the deal, you can find the discounted plans here: Rosetta Stone language learning deals.