Cuckoo Clock Calibration

• Price: $0.99

Last verified 31 Jul 2026

4.9 36 ratings · App Store

1. 5/5Perfect timing

   This is a very well-made and genuinely useful app. I love how you can add profiles for different clocks that you own, too. I was able to get my over 100 year old Seth Thomas mantle clock ticking within a 0.04% margin of error (which is about 5-7 seconds off per day). If you have vintage clocks, I definitely recommend this app!

   novarlynx · 31 Jul 2026

2. 5/5Just what I was looking for

   This app is nearly perfect. It is sensitive and allows you to set the gain and detection threshold to overcome room noise. Only 2 things that would improve it: 1) Plot the period over a few minutes to see the stability of the escapement 2) Allow reference periods over 1 second, my buco clock has a target period (half swing) of 1125 milliseconds, and a full return to start period of 2250 ms, with 25 pins on the escapement wheel.

   Newnickname64478 · 31 Jul 2026

3. 5/5Not Just For Cuckoo Clocks

   Works great, with all the accuracy and sensitivity an OCD person could hope for. This app will easily reduce the need to tinker with your clock to a tenth of what is needed by trial and error, which might be a negative for some. Suggested improvements - more user-input references would be a huge improvement for those of us with a house full of different types of clocks (none of which, in my case, are cuckoos). Different clock images for each of the user set references would be a good stylistic change. I’m glad I found this app in spite of the name.

   sayethTheDude · 31 Jul 2026

4. 5/5Works well. Could use features.

   This works well for what it is. Its accurate and informative making clock tuning much easier. It would be great to have broader clock options. I used this for a one to one grandfather clock, which it’s pretty easy to see it going at 60bpm but the app won’t let you use this as a reference. I also have a mini clock that ticks rather quickly, so there’s no reference for this. It would be awesome for the community on the app to be able to share references with everyone when they get certain clock types tuned just right. Maybe showing the brand if known, the size, and maybe even an image of the clock.

   oekukala · 31 Jul 2026

5. 5/5Very good clock tool!

   I like how this is affordable and works like a 200 dollar machine! I can get my cuckoos a lot more accurate and level with this tool. The only downside of this is there should be more references for other clocks besides cuckoos. Maybe have a catalogs for different clock models and types. It would also be nice if you could add a feature to help get the clock in beat. Like tell which way to bend the pendulum crutch. Thanks!

   Minecraft skycraper · 31 Jul 2026

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