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Hairspring timing app for IPhones

  1. IDXM

    IDXM Feb 19, 2018

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    I bought the Hairspring app not expecting much, but thought it was worth a gamble for $4.99. It works by putting your watch on top of the iPhone microphone from your headphones. Trying it on a couple of vintage watches I found it roughly in accord with my losses over 24 hours. Yes, the Gruen needs to be serviced ;). YMMV of course! 3A568FCF-8500-4780-988A-75D0296CDB4D.png
     
  2. turbo_muc

    turbo_muc Mar 1, 2018

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    Does it only the show the losses or also the amplitude and any potential beat error?

    Being curious to try it out...
     
  3. IDXM

    IDXM Mar 1, 2018

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    Only losses, but there others such as Watch Tuner that do it all, but $13 versus $5.
     
    Edited Mar 2, 2018
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  4. turbo_muc

    turbo_muc Mar 1, 2018

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    IDXM likes this.
  5. wsfarrell

    wsfarrell Mar 1, 2018

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    Very cool, thanks for the tip!
     
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  6. drhombus24

    drhombus24 Dec 26, 2018

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    Has anyone noticed the hairspring app disappearing from the App Store? I recently got a new iPhone and I can no longer download it. I was just wondering if anyone experienced something similar
     
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  7. 104RS

    104RS Dec 27, 2018

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    Anyone care to share some experiences? There are several apps around using the same method.
     
  8. pcbguy

    pcbguy Oct 8, 2019

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    I know this is an old thread but the Hairspring app no longer appears. Is there another good one that uses the microphone to listen to the timing?
     
  9. IDXM

    IDXM Oct 8, 2019

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    After Hairspring stopped working, I started using Watch Tuner lite, which was around $4. Works pretty well, that is, results seem to jibe with reality. My main issue it never seems to stop and give you an average. I just observe for a few minutes to get a ballpark, which is all I need.
     
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  10. pcbguy

    pcbguy Oct 8, 2019

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    Awesome!! Thank you!!
     
  11. stahlmotte

    stahlmotte Oct 8, 2019

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    Very cool, Thank you;)