Apps by Bo Kalvslund
Plank Challenge 4 minutes app icon

Health & Fitness

Plank Challenge 4 minutes

Bo Kalvslund

Free download 4.73 · 1 storefront · 463 ratings In-app purchases
Open on Apple

About this app

BUILD TO A 4-MINUTE PLANK IN 5 WEEKS Transform your core with the Plank Challenge – a proven 5-week program that takes you from beginner to holding a 4-minute plank. THE CHALLENGE Week 1: Start with short holds Week 5: Achieve a 4-minute plank No gym. No equipment. Just you, your determination, and 4 minutes a day. HOW IT WORKS • Train 4 days, rest 3 days – giving your muscles time to recover and grow stronger • Progressive training plan designed to prevent injury • Track your progress as you build towards your goal • Bonus: Progress from 1 to 100 push-ups at your own pace WHY PLANKS? Planks strengthen your abs, back, and arms simultaneously. They're one of the most effective bodyweight exercises for building core stability and overall strength. FEATURES • 5-week structured program • Clear daily workout instructions • Progress tracking • Apple Music integration – your music automatically resumes after workouts • Simple, distraction-free interface WHO IS THIS FOR? Whether you're a complete beginner or returning to fitness, this program meets you where you are and helps you reach new levels of strength. TAKE THE CHALLENGE Join 127,000+ people who've transformed their core strength with Plank Challenge. Download now and prove to yourself what you're capable of. PRO FEATURES: Ad-Free Experience All Premium Themes (4 themes) Trophy Room Access Advanced Statistics Lifetime Access NEED WORKOUT EQUIPMENT? Visit appfar.dk/workout-equipment-fitness-gear for recommended fitness gear to enhance your training. Icon design: https://www.iconfinder.com/stefania.servidio

Latest release

What’s New

Version 5.2 May 14, 2026

Updated icon and screenshots

Audience growth

Ratings growth

Growing
7-day gain +2
Ratings / day 0.2
30-day gain +2
US rating-count history
463 ratings
463 462 461 Aug 11, 2026 · 461 ratings Aug 18, 2026 · 463 ratings Aug 11, 2026 Aug 18, 2026

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

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 11, 2026 · Free Aug 18, 2026 · Free Aug 11, 2026 Aug 18, 2026
  1. First observed Aug 11, 2026 · 5:01 AM Free

Screenshots

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