No specific info about version 2.1. Please visit the main page of Celling on Mac Informer.
iGlasses allows you to adjust and manipulate your webcam's video settings.
Control your external monitor brightness and volume on your Mac.
Fine-tune your photos with brilliant contrast, detail, and color enhancements.
It checks foreground & background colour combinations.
Determine the contrast ratio of two colors by using an eyedrop tool.