About this app
Super easy-to-use fitness app to practice plank exercises at home. Despite its simplicity, the plank helps you build core strength faster than most abdominal exercises—especially those involving movement. What you can do for free: - Access a selection of plank workouts and exercises - Create and save your own workout routines - Follow demo videos by a professional coach - Use sound and voice guidance during workouts - Track basic workout progress - Record workouts to Apple Health Premium features (available with in-app purchase): - Personalized 30-Day Plank Challenge, tailored to your level and availability - Full access to 50+ plank variations, from beginner to advanced - Team-designed workouts and challenges (HIIT, Tabata, Cardio, and more) - All statistics Some features and programs, including the 30-Day Plank Challenge, require a paid subscription or one-time in-app purchase. Pricing and purchase options are clearly shown within the app. Terms of use (EULA): https://wsfu.co/apps/plank_challenge/terms.html
Latest release
What’s New
Bugfixes and improvements
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 16, 2026 · 12:02 PM Free