Kello App - How accurate is it ?
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  1. #1
    Member Xspect's Avatar
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    Kello App - How accurate is it ?

    I download the Iphone Kello. It seem like it pretty spot on with the atomic clock and the what I got from the RSC.

    I was wondering what others think of this app ?
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  2. #2
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    Re: Kello App - How accurate is it ?

    I've had mixed results - I'll need to give it another go in a dead quiet environment - but I noticed that adjusting the amplification makes a big difference on measurement consistency.

  3. #3
    Member devilmoon's Avatar
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    It took a long time to get it to detect even a little bit of the watch, but it seemed pretty accurate to me.

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  5. #4
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    Re: Kello App - How accurate is it ?

    it's good for quick assessment of accuracy.

  6. #5
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    Re: Kello App - How accurate is it ?

    Has anybody pitted the latest version against dedicated watch timing machines? E.g.
    • Vibrograf B200
    • TYMC MTG-1000


    Doesn't the accuracy of the app depend on the hardware timer in the iPhone/iPad/iPod? How do we know if it's any good?

  7. #6
    Member bluloo's Avatar
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    Re: Kello App - How accurate is it ?

    I have in installed on an Iphone 4, using the built in mic. I think it sucks.
    My T1000 works fine, and is light years better.

  8. #7
    Member Crunchy's Avatar
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    Kello App - How accurate is it ?

    not good at all
    W.A.S. Watch Acquisition Syndrome Patient.

  9. #8
    Member BrentYYC's Avatar
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    Re: Kello App - How accurate is it ?

    It's pretty much useless because it requires manual calibration of the microphone, which creates highly distorted and variable measurements of accuracy. You have absolutely no idea if you're getting an accurate reading or not. I originally thought it might be useful for helping to pick the best watch at an AD, but after testing it against my timegrapher I realized it's useless.

  10. #9
    Member mleok's Avatar
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    Re: Kello App - How accurate is it ?

    Quote Originally Posted by BrentYYC View Post
    It's pretty much useless because it requires manual calibration of the microphone, which creates highly distorted and variable measurements of accuracy. You have absolutely no idea if you're getting an accurate reading or not. I originally thought it might be useful for helping to pick the best watch at an AD, but after testing it against my timegrapher I realized it's useless.
    So, you bring your Timegrapher to pick out your new watch? I wonder what my AD would say about that...


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  11. #10
    Member BrentYYC's Avatar
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    Re: Kello App - How accurate is it ?

    Quote Originally Posted by mleok View Post
    So, you bring your Timegrapher to pick out your new watch? I wonder what my AD would say about that...
    I've never bothered to bring in my own. I simply ask the AD (if he has more than one in stock of the watch I'm interested in) to put them on his own timegrapher so I can make a decision about which one to take. I've never been denied.

    A timegrapher does a lot more than just measure accuracy. When you know how to interpret the data, it can help identify problems with the mechanism.
    Last edited by BrentYYC; February 21st, 2013 at 03:16.
    CitizenM likes this.

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