The Interval Test provides users with all interval-related content. 📏 Measuring intervals Measuring the interval is straightforward in this app. If you change the height of the note of the interval, the interval name is automatically and immediately measured. The interval which you measure appears on the score and on the keys. So you can study the interval systematically, counting the number of semitones between two notes on the keys. 📝 Interval Test Once you become more familiar with mu