With Chant Tools, users can easily access and navigate through the Gregorian Mass propers and ordinaries. The app provides a comprehensive collection of chants, making it a valuable resource for anyone interested in Gregorian chant.

It's important to note that there may be some mistakes in the chant, but users can contribute to the improvement of the app by correcting any errors they come across. By visiting the provided link, users can access the GregoBase version of the chant and make edits or request fixes.

Overall, Chant Tools is a useful offline tool for accessing and exploring Gregorian Mass propers and ordinaries. Its simplicity and accessibility make it a valuable resource for enthusiasts and practitioners of Gregorian chant.