Apps made available through the App Store are licensed, not sold, to you.
Each device used serially or collectively by multiple users requires a separate license.
If you installed RectLabel on your new computer, authorize or deauthorize your computer for iTunes Store purchases.
There is a free trial version, and although the trial is untimed, a license must be purchased for continued use.
You can manage and cancel your subscriptions.
You can use RectLabel apps to develop the commercial object detection and segmentation system.
Have questions? Send an email to firstname.lastname@example.org.