Bored of searching for the UIAA value of French 6b+?
Use Climbing Grades to get an individual table of your favorite grading systems for sports climbing and bouldering grade systems.
Select the grading systems of your choice, sort the systems according to your preferences, set a first line and zoom the table for your convinience. Preferences are retained. Once you set up your favorite view, you'll see that every time you start the app.