Blog
Articles, exercise round-ups and news from Calistree.
The best calisthenics apps in 2026
Calistree's founder scores seven calisthenics apps, including his own, against a rubric fixed in advance, and says when another app wins.
Calistree Review – This Calisthenics App Will Keep You On Track
Calistree founder Louis Deveseleer on personalized training and the app's exercise library, in an interview with Calisthenics.com.
Strong Abs – 10 Advanced exercises
10 advanced ab exercises that build core stability rather than repeated crunches, with form tips and a video walkthrough.
Back Bend – 13 Novice Exercises
13 beginner back bend exercises to build spinal strength and mobility, with form cues for each from Calistree's exercise library.
Whole Body Cardio – 11 Advanced Exercises
11 advanced whole-body cardio exercises that build explosiveness and coordination, with form tips and a video walkthrough.
Beginner Pushup variations
Beginner pushup variations to build toward your first full pushup, with form tips and a video walkthrough for each progression.
Clutch Flag Progressions
Clutch flag progressions to build toward the full flag without needing extreme strength, step by step with a video guide.
CanvasRebel – Meet Louis Deveseleer
CanvasRebel interviews Calistree founder Louis Deveseleer on his path from depression to calisthenics, and building the app.
Paralysis by analysis – The paradox of choice
Why overthinking your workout plan holds you back, and how to just start, stay consistent, and let Calistree adapt over time.
Calistree logo: the Tree
The story behind Calistree's tree logo: early sketches, design iterations, and the meaning behind the final mark.
Hidden Gems: Meet Louis Deveseleer of Calistree
VoyageRaleigh interviews Calistree founder Louis Deveseleer on depression, cycling across continents, and building the app.