Report updated Mar 26, 2026
Workout Planner Muscle Booster
v3.70.0Individuals of all fitness levels, from beginners to gym-goers, seeking a structured, personalized, and AI-guided approach to muscle building, weight loss, or injury recovery.
What Is Workout Planner Muscle Booster?
Launched Dec 21, 2018
Updated Mar 2026
Key Features
Personalizes workout plans based on user goals, personal data, and available equipment.
Provides audio exercise tips, instructions, and integrated workout/rest timers with Apple Watch support.
Generates plans tailored to specific available equipment, from bodyweight to gym machines.
Visualizes which muscles are being worked and which require recovery after each session.
Syncs nutrition, exercise, and body measurement data with Apple Health.
Curated programs for specific goals like fat burning, calisthenics, or injury recovery.
App Store Performance
| Chart | Rank | Change |
|---|---|---|
| Grossing | #51 | ▼7 |
| Free | #78 | ▼30 |
Pros and Cons
Pros
- Strong, data-driven personalization engine
- Large historical user base (128k+ ratings)
- Versatile training options for home and gym
Cons
- Lack of visible social/community engagement
- Mandatory subscription gate may limit conversion
- No recent visible feature innovation
Market Outlook
Growth Opportunities
- Introduce social/community features to boost retention
- Expand into specialized fitness niches
- Gamification of workout streaks to improve rankings
Market Threats
- High competition from free/ad-supported alternatives
- Declining chart positions indicate acquisition fatigue
- Subscription-only model may face churn pressure
Key Takeaways
Workout Planner Muscle Booster is a divisive health & fitness app that is available. With a 4.6/5 rating from 128.2K reviews, it receives mixed feedback from users.
Best for: Individuals of all fitness levels, from beginners to gym-goers, seeking a structured, personalized, and AI-guided approach to muscle building, weight loss, or injury recovery.
App Details & Pricing
Model: subscription
The app utilizes a 'try-before-you-buy' model, offering a free download to drive user acquisition, followed by a mandatory subscription gate for core functionality.
iOS Version
3.70.0
Release Date
Dec 21, 2018
iOS Price
Free