A lifetime Babbel subscription is on sale for $129.97 this weekend only, marking a return of the all-time best price on the language learning app thanks to the $470 discount.Save $470 on Babbel this weekend only.The flash deal on the lifetime Babbel subscription is courtesy of Stack Social, with the language learning tool plunging to $129.97 for a limited time only.Buy for $129.97 Continue Reading on AppleInsider