Blog
Articles, exercise round-ups and news from Calistree.
Resistance Bands: Versatility Praised, Effectiveness Challenged
Resistance bands are affordable, portable and versatile, but do they work? Band types, safety tips, what the research says, and bands in calisthenics and physical therapy.
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.