Audiobooks certainly feel like they have much worse retention. To solve this, whenever I listen to an audiobook now, I'll both buy it on Audible and on Kindle. Then, whenever I hear something particularly compelling/important, I quickly hop into the Kindle app on my phone and highlight it. If a book has whispersync[0] enabled this is especially easy. This, combined with having a workflow for consistently reviewing my…
In my personal experience, audio has a lower retention rate compared to reading. However, you can train yourself to do better. The benefit is I can listen at 2x, and get a lot books in during my commute.