Report updated Apr 23, 2026
Stark Bag
For individuals seeking guided strength and plyometric training using specialized bag equipment.
Overview · Full Intel report in progress
Stark Bag is an established health & fitness app that is a paid app. With a 4.8/5 rating from 50 reviews, it shows polarized user reception.
What is Stark Bag?
Current Momentum
v2.5 · 51mo ago
ZombieLast updated 1554d ago. 4 versions tracked.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
Health & FitnessNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Features 27 exercises demonstrated by a professional instructor in high-definition video.
Includes built-in timers supporting Tabata, HIIT, and circuit training formats.
Syncs performed workouts and calorie burn data directly with the Apple Health app.
Allows users to track scores and earn rewards for completing challenges.
How much does it cost?
Who Built It?
Postra AB
Providing structured, equipment-specific video coaching to help fitness enthusiasts master form and build strength anywhere.
Portfolio
13
Apps
What other apps does Postra AB make?
Stark Suspension
Stark Kettlebell
Stark Bosu Ball
Stark Bodyweight
Stark Fitness
Stark Resistance Band
Explore the full Postra AB report
Portfolio breakdown, audience, momentum, and every app published by Postra AB.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for Stark Bag?
How's The Health & Fitness Market?
How does it evolve in the Health & Fitness market?
Rank progression
4 active rankings tracked — 30-day window
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Stark Bag
Key Takeaways
Stark Bag is a niche fitness tool that combines instructional video content with structured interval training and performance tracking.
Where Is It Heading?
Trend analysis
Available very soon