For relative interval training I also know of [0], which works pretty well. The other music theory tools on that website are pretty cool too! [0] https://offto

For relative interval training I also know of [0], which works pretty well. The other music theory tools on that website are pretty cool too! [0] https://offtonic.com/theory/applets/intervaleartrainer.html https://offtonic.com/theory/applets/intervaleartrainer.html (NB on my Firefox I needed to enable auto-play for this to work, even though it doesn’t actually play anything automatically)