Simple to use and very functionally metronome.
Features:

• tempo between 15 and 250 bpm,
• Italian tempo markings,
• meter: 2/4, 3/4, 4/4,
• adjustable volume,
• selectable intervals (quarter, eighth, sixteenth, thirty-second, triplet and sextuplet),
• vibration,
• 128 MIDI instruments,
• rhythms editor,
• tapping of tempo,
• tapping of rhythm.
  This version has full functionality only with the Internet connection. There is also a paid version with tempo up to 500 bpm, which also works without an Internet connection.