How much free space does your device have on Internal and External Storage?
You can find this data in Android Settings > Storage.
2013-02-21: Our engineers are looking to find out who is still being affected by this. If you could fill out this form it would really help!
2013-10-28: Hi everyone, we're still here. We want to see how much data usage is too much, so we can further investigate. If you want to, please have a read here.
2014-01-22: We have received word this issue should be fixed in android v0.7.5.698. If you could all upgrade to the most recent release via Google Play and let us know if this is resolved it would be much appreciated. If you are using 0.7.5.696 can you please update?
2014-01-24: I posted an update here. It looks like this issue isn't entirely resolved, so we're continuing the investigation.
Please bear in mind that the Community is not an official Spotify support service. It's a place where we all help each other, whether we work for Spotify or not. So please use your discretion when using the forum.