2024-04-30 00:00:00 The Linebreaker App is a planning and timing tool for workouts on a climbing training board. The Linebreaker App supports you in your climbing or bouldering training. While it is primary developed for the Linebreaker trainingsboards from target10a, many other boards are supported too. If you want a free Linebreaker App Extended: With every purchase at target10a.com there is a free code for the extended version!