The Ballistic Chronograph app is for use with the Caldwell line of Ballistic Chronographs supporting a 3.5mm line-out serial port.
Users running iOS 7 or greater
• When prompted “Caldwell Ballistic Precision Chronograph” Would Like to Access the Microphone - select OK.
• Please ensure that Settings -> Privacy -> Microphone -> Caldwell Ballistic Precision Chronometer is enabled (Access Granted).
Running the app with the setting disabled will result in no shots being seen even though the app is showing it as connected.
Users running version 1.14 or greater
• When prompted “Caldwell Ballistic Precision Chronograph” Would Like to Access the Camera - select OK.
• When prompted “Caldwell Ballistic Precision Chronograph” Would Like to Access Photos - select OK.
• Please ensure that Settings -> Caldwell Ballistic Precision Chronometer -> Camera is enabled (Access Granted).
Chrono G2 users running 1.17 or greater
To enable Bluetooth in the app. In the Chrono Settings - set Bluetooth enabled. If prompted - Turn on Bluetooth to Allow "Caldwell Ballistic Precision Chronograph" to Connect to Accessories. Select Settings. Turn on Bluetooth.
If prompted - Bluetooth is not enabled. Enable Bluetooth to continue. In Settings - Turn on Bluetooth.
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User Rating
1.56 out of 5
18 ratings
in Canada
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Ratings History
Reviews
App Keeps shutting down
I just open this app for the first time since July 2022, the app repeatedly shuts down and will not stay open. It also had an issue where it wasn’t pulling the weather data. When I contacted the app developers about this. They said they were working on it (that was in 2021).
App keeps shutting down
Just closes every time I try to open it.
Garbage
Doesn’t work at all. App just goes off.
Junk
Dosen’t Work with iPhone 13
Needs improvement
Now that the weather is nice I set out to use my Chronograph outdoors. It does not work under fluorescent lamps indoors. Using an iPhone6 I was able to use the app. After test groups are shot, you cannot select bullet make or weight, you must input it manually. After creating my own bullet data, I can no longer access the list of manufacturers bullet data. I have to now manually add all data. Please fix bugs! On the plus side, the app is responsive! It instantly records data from the chronograph. It is capable of taking photos which helps me organize. Other suggestions would be a list of the acronyms used. Is PF pound/feet? Or Power Factor?
Using the inch symbol (“) doesn’t work, it displays a bunch of letters or a code of some kind?
App doesn’t recognize aux
The app doesn’t recognize when the aux cord is actually connected. I use the chronograph manually with pen and paper.
2 years since new version. Says it all
Awful. No connection to current iPhone and Bluetooth doesn’t work. How about put out a product that at least connects with today’s technology Caldwell? Wouldn’t recommend to anyone. Functions well in its own
iPhone 10
Does not seem to work with the app! Phone has a audio to lightning adapter
Loved it. Now no good
Version 1.18 refuses to load. I had previous versions and worked fantastic. So now i have lost everything. Thanks
Can't get it to download properly!
Purchased the chronograph that this app is intended for and tried downloading the app and it just shows up a dark icon as if it's still downloading or waiting to be. I tried to delete it and it won't come off my phone. Try to download it again and it just says "open" in the App Store as if it is downloaded. But when you hit open it does nothing! Very Disappointed to have paid that much money for the chronograph and can't get the app to work!