What is Code Prospector?

Code Prospector is an audiobook promotion and review platform connecting self-published authors with readers and listeners. Authors list audiobooks with promo codes and listeners claim those codes in exchange for honest reviews.

What is an audiobook promo code?

An audiobook promo code is a one-time code that gives a listener free access to an audiobook on platforms like Audible or ACX. Authors distribute these codes to readers in exchange for honest reviews.

How do audiobook authors get more reviews?

Authors get more audiobook reviews by distributing promo codes through platforms like Code Prospector, connecting with listener communities, submitting to audiobook review blogs, and building an advance review team before launch.

Is Code Prospector free to use for listeners?

Yes, listeners can join Code Prospector for free, browse available audiobooks, and claim promo codes at no cost in exchange for leaving honest reviews.

How do I promote my audiobook as an author?

Effective audiobook promotion includes listing on promo code platforms like Code Prospector, reaching out to audiobook review blogs, sharing in genre-specific listener communities, and building a consistent review strategy using free promo codes from ACX or Findaway Voices.

The Code Prospector Blog

Insights, tips, and updates for indie audiobook authors and avid listeners.

Is an Audible subscription worth it? Unearthing the best value in 2026

Kimberly Cordova

Published on: 01/05/2026

Is an Audible subscription worth it in 2026? Our guide compares tiers, calculates costs, and reveals how to get free audiobooks with promo codes.