Wow, the best app for what it does. Soooo many ignoramuses out there that don't even know how to use it. Expect the world for 10 bucks ? Get a life. I'm happy with the free version. It does what it says. If you can't use your brain well then let's blame the developer. Thank you for making such a wonderful app that is free to use.
That's the only free app that worked for me. Gives you for free the basic mechanical watch metric: accuracy in seconds/day. Just use a good mic and you get results. No ads, pay if you need extra functionality. Fair and square
Downloaded this due to my OTT frustration with my brand new Seiko automatic being 9 sec a day slow, very consistently. It would run a bit slower on my wrist than dial up off wrist overnight. So, trialling this app I went about trying to get the app to confirm the observed watch accuracy, which it did! It also picked the correct BPH easily every single time. I was able to set the watch a bit faster with the help of the app aiming for 1sec a day slow knowing off wrist it would regain the time lost overnight. It has been 3.5 days since the adjustment and the Seiko is absolutely spot on within half a second of the atomic clock. Well done for creating an amazing, simple app, that works with the standard built in microphone on my OnePlus3T, and doesn't even need absolute total silence to work well. Thank you.
Broken Basically the app doesn't allow you to use any of its functions until you pay for the pro version so why would you release a free version that doesn't actually work. I would love to own the pro version but I'm not sure if this is going to work on my phone or not so I'd like to try the free version First. They trick you into giving them a download with all these positive reviews look closely the positive reviews are for the paid one not the free one. I'm going to write an email to the Android store because this is ridiculous they can scam people like this
The free version is extremely limited. You get the "precision" graph only and you can't change the sampling window. This really cripples the app, because mechanical clocks always have periodic (or cyclical) error due to the fact that clock gears have some level of wobble or eccentricity. The precision graph will show this, but unfortunately you can't view a long enough time window to get a long term average. So, it will get you in the ballpark, but that's it. That said, the app has been the best Android app that I've found so far for adjusting my grandfather clock.
Nice app.Using PRO version, able to regulate Miyota 9100 auto + 3 sec and Swiss auto +1 sec. User manual along with video must be added. Use good quality mike, calibrate the device,wait for waveform to be appeared in green spikes, keep patience, it would work perfectly. I am happy. Highly recommended. Yes...Five Star. Update : Review : After one month of usage... It's nice accurate app. Love it.. Five Star once again.
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