[iPhone God App] It was found using the musebook metronome m30 actually

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"This is a great performing Metronome. I've tried a few iPhone metronome apps and this is definately the best for the price. For starters, it actually is accurate (I compared it to a Roland drum controller) - beware some metronome apps are not. Flexible settings, and good sound round off a great iPhone app."
by KickSnareTom(UK) - Version 1.0.0 - Dec 12, 2009

"This app has everything I want - multiple click sounds, various accents, tap tempo function, and a tone generator to use for tuning instruments. I would actually say that it has a little more functionality than the $30.00 Korg Tuner has and this costs $1.00. Also has sophisticated looks - perfect!"
by AndCat1(US) - Version 1.1.4 - Dec 28, 2009 (2 out of 2 customers found this review helpful)

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Accurate Beat Timing? Affordable Price? Get musebook metronome m30~

MuseBook Metronome M30 is the app you can get higher accurate beat timing than the other apps. M30's engine is written based on the iPhone's audio play timing so that each beat timing is very precise with any tempo and you can get stable beats that allows you to feel very comfortable. And the best thing is? Affordable Price!

You can check out a beat timing comparison graph and a demo video on our website, or by using this link http://m.musebook.com/

- Accurate Beat Timing with any tempo
- Stable Beat Timing for an hour or even a day
- The Same Beat Timing as iPhone's audio play timing

- Simple Digital Hardware User Interface
- Easy to Use & Control All Features on a Single Screen
- Portrait & Landscape Screens (4-ways)
- Up & Down the Tempo at a click
- Fast Up & Down the Tempo at a long press
- Mute and Start/Stop buttons
- Touch & Drag the Mode Button

NOTE: All the settings are automatically saved so that you do not need to set the last tempo again when m30 is re-run.

* Metronome Features:
-- Tempo Range: 10 ~ 250 BPM(Beats Per Minute)
-- Tempo Resolution: 1 step
-- 3 Metronome Sounds: musebook, classic, click
-- 3 Beat Sounds: Down-beat, Up-beat and the others
-- Meters(Beats Per Measure): 0(1), 2, 3, 4, 5, 6, 7, 9, 12
-- Rhythm Patterns: 1 Quarter, 2 Eighths, 3 Tuplets, 4 Sixteenths
-- Visible Beat Signals: Flash, LED, Beat Number Display

NOTE: Touch the LCD area, Flash is toggled.

* Tap Features:
-- Simply tap in time with any music to find the tempo
-- Simply turn the metronome on with the tempo found
-- Detectable Tempo Range: 10 ~ 250 BPM
-- Detectable Tempo Resolution: 1 step

NOTE: If you want to know the tempo of any music playing on iPhone, just run m30 and tap the tempo of the music.

* Sound Features:
-- Simply Tune your instruments with the reference sound
-- 3 Reference Sounds: Piano, Guitar, SineWave
-- Adjustable Pitch Range: 440 ~ 445 Hz
-- Adjustable Pitch Resolution: 1 Hz
-- Reference Note Range: C2 ~ B6

Want free apps? Please check out its sister app, musebook metronome m10.