Readlet is an iPhone application developed by Cherrry Inc. that transforms any text into an audiobook effortlessly. With Readlet, users can take notes with just one click while listening and also have control over the listening speed. The app offers a variety of natural-sounding voices that accurately pronounce academic text, enhancing the overall listening experience.

Readlet provides a pricing model where users can enjoy a 1-week trial with access to all features and unlimited listening. After the trial period, users can opt for a subscription at $7.49 per month ($89.99 per year) or a monthly subscription at $14.99, with the flexibility to cancel at any time. For those interested, the Terms of Use can be found at the provided link.