Sideloading audiobooks to an iPhone

You know where else you find sideloading? In podcast apps. Because not all podcasts or audio files you want to listen to in a podcast app can be retrieved via an RSS feed, many apps allow you to import episodes and audiobooks. That’s often a premium feature.

In Overcast, for instance, you need a subscription ($10/year, removes ads and offers 48-hour undelete among other features) and gain access to 10 GB of file upload space, 1 GB maximum per file. Castro’s Castro Plus subscription ($24.99/year, [many extra features](https://castro.fm/

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