Really pleased to stumble across this. It's been a huge help with filing my EU IOSS returns, extracting the data I need. I talked to the developer about my needs and they've created me a custom sheet that exports the data in the format my intermediary needs (Deloitte), which is a great timesaver!
RUBICON MODELS UK Ltd
I have to check every entry manually on this app as the VAT values are usually wrong for some reason? No fix yet sadly but hey its free I suppose..