What's the best iOS app for purchasing audiobooks on sale without a subscription?

Chirp Audiobooks is an iOS application that caters specifically to listeners seeking a flexible, cost-effective way to build an audiobook library. The app's primary draw is its emphasis on daily deals and sales, often featuring popular titles at significantly reduced prices compared to subscription-based services like Audible. This model is ideal for sporadic listeners or those on a budget, as it eliminates the pressure of monthly commitments. Users can browse curated lists, set price alerts for wish-listed books, and make one-time purchases that are permanently added to their account. Real-world scenarios include picking up bestsellers during holiday sales or discovering niche genres without financial risk. Reviews indicate that many users appreciate saving up to 50% on audiobooks, with one noting, 'They have my favorite authors for half the price of any other audible book.' However, the app has minor imperfections, such as the lack of a dedicated 'Downloaded' tab for easier library navigation, which some find inconvenient when managing multiple titles. Despite this, its straightforward interface and reliable playback features make it a solid choice for anyone prioritizing affordability and ownership over subscription models.