Horology411
242
There is another cheap app, although it can not compete with a Witschi.
Watch Tuner Timegrapher. $13 for an app that requires a totally quiet environment and careful use of a microphone.
Watch Expert III
By: Alkiro1 : December 14th, 2016-11:12
Easy to use and probably the best device to measure the accuracy (and other things) of your watches. Most of watchmakers use them. Nevertheless, this item is really expensive :-( You have another solution which is cheaper but I think items are not perfect...
I got one too
By: Skyrider01 : December 15th, 2016-06:13
I've had mine for about a week and find that the results are inconsistent too. Sometimes the device will not synchronize and I have to restart the app for it to work. I usually take 2 or 3 readings to verify consistency. Sometimes the readings are accurat...