Audible users are reporting a maddening bug that quietly overrides the app's Wi-Fi-only download setting and burns through cellular data, with some subscribers watching their monthly allowances evaporate well before the middle of the billing cycle. Complaints have multiplied across Reddit threads and App Store reviews over the past two weeks, describing the same frustrating pattern: audiobooks downloading themselves over mobile connections despite explicit settings configured to prevent exactly that.

The likely culprit, based on the pattern of reports, appears to be a flaw in how the app handles background downloads following a recent update — queued books that should wait for a wireless network apparently resume whenever the connection drops, however briefly, and full-length audiobook files can consume hundreds of megabytes each. Users on metered or capped plans describe data usage spikes they cannot otherwise explain, and several report receiving carrier overage warnings.

Amazon has not publicly acknowledged the issue, and support responses shared by users amount to generic troubleshooting: reinstall the app, clear the downloads list, double-check cellular permissions. In the meantime, the community workaround is purely defensive — disabling background app refresh for Audible entirely, or deleting queued books before leaving home, which defeats the entire purpose of a download-ahead feature.

The episode is a reminder that settings users trust with their wallets are only as reliable as the code behind them, and that metered data plans can turn a minor sync bug into a billing emergency. If you subscribe to Audible on a capped plan, it is worth checking your usage this week.