Great tool for bays
Really useful app when on-site, a must for anyone professionally measuring windows for hardware
Excellent professional tool
Easy to use and checks to make sure bay window measurements are correct. Very helpful.

Archived App (Last seen on 1 Aug 2025)
This is an archived listing of the app previously available on the App Store.This utility app simplifies measuring bay windows for custom curtain poles or tracks. It guides users through the measurement process, calculates angles, and verifies accuracy for various bay configurations. Results can be emailed for quotes or personal records.
2
December 3, 2019
Improved resolution support for newer phones
Bay Checker supports 1 bend, 2 bend, and 4 bend bays. It also accommodates continuously curving 'Bow' windows and allows for the entry of measurements for return bends.
The app includes a built-in checking facility that verifies all trigonometry calculations. This confirms that your measurements are correct and suitable for manufacturing a pole or track.
Bay Checker does not save data directly on the device. However, you can email your checked measurements to yourself or to The Bradley Collection for a quotation or for your records.
You can enter your dimensions in either millimeters or inches, providing flexibility based on your preference or regional standards.
Yes, the app is designed with an easy interface and provides guidance on how to measure and what wall measurements to take, making it accessible for anyone wishing to have a pole or track made.
Bay Checker is available for iPhone, iPad, and iPod devices, indicated by its support for these platforms.
The latest version of Bay Checker is 2, and it was last updated on December 3, 2019. This indicates a less frequent update cycle.
No, Bay Checker does not contain advertisements, as indicated by the 'hasAds' flag being false.