doppio: BPM for DJs
a living metronome for DJs
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
A living metronome for DJs. See your track's tempo and its half/double partner as two overlapping rhythms — read the beat at a glance, no maths mid-mix.
A living metronome for DJs — not a calculator.
See your track's tempo and its half/double partner as two overlapping rhythms. Read the relationship at a glance — no maths mid-mix.
• Swipe to set the BPM
• Tap to flip ×½ / ×2
• Second finger = decimal-fine
• Haptic tick on every beat
• 5 beat visuals · 12 themes · shake to change
No account. No ads. No tracking. Just the number — rock-steady, glanceable in a dark booth.
Ratings & Reviews
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The developer, Alejandro Gomez Urrea, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Alejandro Gomez Urrea
- Size
- 566.3 KB
- Category
- Music
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Ale Gómez